The Aircraft Operating Company was a British aerial photography company, that took over Aerofilms in 1925. In 1940, its staff and equipment were requisitioned by the Air Ministry , and in 1944 the company itself was taken over by Hunting Aerosurveys .
83-511: The Aircraft Operating Company Ltd (AOC) was founded by Harold Hemming AFC (also known as Major 'Lemnos' Hemming), a former Royal Flying Corps pilot, aerial survey pilot and amateur air racing pilot. Hemming was managing director, and his business partner Alan S. Butler was chairman of the board. In 1925, AOC took over Aerofilms Ltd, and continued to employ Francis L. Wills as managing director of that company, that expanded its operations based at Hendon. In 1925, Ordnance Survey awarded to AOC
166-503: A guardhouse . Marham was 80 acres (32 ha). Both these Stations are now lost beneath the present RAF Marham . Similarly, Stations at Easton-on-the-Hill and Stamford merged into modern day RAF Wittering although they are in different counties. The Royal Flying Corps Canada was established by the RFC in 1917 to train aircrew in Canada. Air Stations were established in southern Ontario at
249-426: A 30 mm (1.2 in) rotary cannon , which is the airplane's primary armament and the heaviest such automatic cannon mounted on an aircraft. The A-10's airframe was designed for survivability, with measures such as 1,200 pounds (540 kg) of armor for protection of the cockpit and aircraft systems that enables the aircraft to continue flying after taking significant damage. The A-10's official name comes from
332-706: A German Etrich Taube , which had approached their aerodrome while they were refuelling their Avro 504. Another RFC machine landed nearby and the RFC observer chased the German pilot into nearby woods. After the Great Retreat from Mons, the Corps fell back to the Marne where in September, the RFC again proved its value by identifying von Kluck's First Army's left wheel against the exposed French flank. This information
415-783: A Naval Wing. By 1914, the Naval Wing had become the Royal Naval Air Service, having gained its independence from the Royal Flying Corps. By November 1914 the Flying Corps had significantly expanded and it was felt necessary to create organizational units which would control collections of squadrons; the term "wing" was reused for these new organizational units. The Military Wing was abolished and its units based in Great Britain were regrouped as
498-556: A Special Duty Flight was formed as part of the Headquarters Wing to handle these and other unusual assignments. Strafing Strafing is the military practice of attacking ground targets from low-flying aircraft using aircraft-mounted automatic weapons . Less commonly, the term is used by extension to describe high-speed firing runs by any land or naval craft such as fast boats, using smaller-caliber weapons and targeting stationary or slowly-moving targets. The word
581-483: A companion unit to No.1 PDU headed by Sidney Cotton. Formal training of many photographic interpreters (PIs) took place at Wembley, particularly of WAAF staff, including Constance Babington Smith . On 11 July 1940, the unit was renamed Photographic Interpretation Unit. On 2 October 1940, the main factory at Wembley suffered major damage from aerial bombing. On 7 January 1941, the unit was renamed Central Interpretation Unit , and operations were progressively transferred to
664-635: A level with the Army and Royal Navy. The formation of the new service would also make the under-used men and machines of the Royal Naval Air Service (RNAS) available for action on the Western Front and end the inter-service rivalries that at times had adversely affected aircraft procurement. On 1 April 1918, the RFC and the RNAS were amalgamated to form a new service, the Royal Air Force (RAF), under
747-533: A need for an aircraft designed specifically optimised for aerial surveying and photography. The result was the Gloster AS.31 Survey , a development of the De Havilland DH.67 design project. Starting in 1930, AOC used a Gloster Survey for aerial surveying in southern Africa, where a sister company was formed, Aircraft Operating Company of Africa (Pty.) Ltd. In 1933, AOC and Aerofilms were incorporated in
830-652: A new company, H. Hemming and Partners. AOC established its headquarters in Wembley, Middlesex. In 1938, AOC purchased a Swiss-made Wild A5 Autograph photogrammetric plotting machine that could minimise the effects of optical distortion and perspective in magnified aerial photographs. In early 1939, Sidney Cotton employed the facilities of AOC for production and interpretation of both vertical and oblique aerial photographs taken of ground installations in Germany and elsewhere in clandestine flight operations. On 31 May 1940,
913-614: A new headquarters at Danesfield House in Buckinghamshire, also known as RAF Medmenham ; the transfer was completed on 23 May 1941. In 1944, Percy Hunting, who was a major shareholder in AOC, formed a new company Hunting Aerosurveys Ltd for the purpose of carrying out civilian commercial surveying via aerial photography. Hunting Aerosurveys took over the Aircraft Operating Company, and Aircraft Operating Company
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#1732793914975996-468: Is an American twin-engine, straight-wing jet aircraft developed by Fairchild-Republic in the early 1970s which is the only United States Air Force aircraft designed solely for close air support of ground forces. The A-10 was built to attack tanks , armored vehicles , and other ground targets with limited air defenses , often through strafing. The A-10 was designed around the GAU-8 Avenger ,
1079-488: Is an adaptation of German strafen ( pronounced [ˈʃtʁaːfn̩] ), to punish , specifically from the humorous adaptation of the German anti-British slogan Gott strafe England (May God punish England), dating back to World War I . Guns used in strafing range in caliber from 7.62–14.5 mm (0.300–0.571 in) machine guns , to 20–40 mm (0.79–1.57 in) autocannon or rotary cannon . Although ground attack using automatic weapons fire
1162-403: Is capable of both types of combat, when it is assigned to a ground attack role, and thus expected to be using the guns mostly for strafing, the fixed weapons are often mounted so that the convergence point is lower and at a greater range than would be used for air combat. This is helpful because it allows the pilot to aim at a target without having to dive towards the ground as steeply, decreasing
1245-403: Is very often accompanied with bombing or rocket fire, the term "strafing" does not specifically include the last two. The term "strafing" can cover either fixed guns, or aimable (flexible) guns. Fixed guns firing directly ahead tend to be more predominant on fixed wing aircraft , while helicopters tend to use gimballed weapons which can be fired in many different directions independent of
1328-431: Is very risky for the pilot, who is exposed not only to the risk of flight-into-terrain and obstacles such as power lines, but also to anti-aircraft weapons, including surface-to-air missiles (both vehicle mounted and hand-held ), anti-aircraft artillery and small caliber weapons fire (such as machine guns and small arms ). Planes purposely designed for ground attack may include additional armour around and underneath
1411-957: The 6th Wing had been created and in November 1915 a 7th Wing and 8th Wing had also been stood up. Additional wings continued to be created throughout World War I in line with the incessant demands for air units. The last RFC wing to be created was the 54th Wing in March 1918, just prior to the creation of the RAF. Following the creation of brigades, wings took on specialised functions. Corps wings undertook artillery observation and ground liaison duties, with one squadron detached to each army corps. Army wings were responsible for air superiority, bombing and strategic reconnaissance. United Kingdom based forces were organised into home defence and training wings. By March 1918, wings controlled as many as nine squadrons. Following Sir David Henderson's return from France to
1494-530: The Administrative Wing . The RFC squadrons in France were grouped under the newly established 1st Wing and the 2nd Wing . The 1st Wing was assigned to the support of the 1st Army whilst the 2nd Wing supported the 2nd Army . As the Flying Corps grew, so did the number of wings. The 3rd Wing was established on 1 March 1915 and on 15 April the 5th Wing came into existence. By August that year
1577-654: The F-4 Phantom II and A-6 Intruder ) then did not have built-in cannon or machine guns. In the Vietnam War , that was found to be a deficiency, and improvised " gunships " had to be used in strafing missions. Gunships like the AC-47 Spooky, AC-119 Specter, and early models of the AC-130 Spooky gunship proved to be devastating defenders of besieged US Special Forces camps. The A-10 Thunderbolt II
1660-587: The Republic P-47 Thunderbolt of World War II , a fighter that was particularly effective at close air support. The A-10 is the main US plane designed to do strafing runs. Since 2001, Coalition pilots in Iraq and Afghanistan have used strafing runs to support ground forces in areas where explosive ordnance could cause unacceptable civilian casualties. Strafing runs done by F-16s are very risky for
1743-570: The Royal Air Force (RAF) and other Commonwealth air forces. The RFC's first fatal crash was on 5 July 1912 near Stonehenge on Salisbury Plain ; Captain Eustace B. Loraine and his observer, Staff Sergeant R.H.V. Wilson, flying from Larkhill Aerodrome , were killed. An order was issued after the crash stating "Flying will continue this evening as usual", thus beginning a tradition. In August 1912, RFC Lieutenant Wilfred Parke RN became
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#17327939149751826-507: The Royal Air Force . During the early part of the war, the RFC supported the British Army by artillery co-operation and photographic reconnaissance . This work gradually led RFC pilots into aerial battles with German pilots and later in the war included the strafing of enemy infantry and emplacements , the bombing of German military airfields and later the strategic bombing of German industrial and transport facilities. At
1909-513: The 20 July 1944 Operation Valkyrie coup. In the Korean War (1950–1953), US Air Force planes strafed targets deep behind the front line and had a perceptible impact on the progress of the ground war, but the concept of strafing was already in decline. In the 1960s, when precision-guided weapons became widespread, strafing temporarily fell out of favor as unnecessarily risky and some American fighter aircraft or attack aircraft (such as
1992-454: The Battle of Aubers Ridge. Operations from balloons thereafter continued throughout the war. Highly hazardous in operation, a balloon could only be expected to last a fortnight before damage or destruction. Results were also highly dependent on the expertise of the observer and was subject to the weather conditions. To keep the balloon out of the range of artillery fire, it was necessary to locate
2075-447: The British Army's highly detailed 1:10,000 scale maps introduced in mid-1915. Such were advances in aerial photography that the entire Somme Offensive of July–November 1916 was based on the RFC's air-shot photographs. One of the initial and most important uses of RFC aircraft was observing artillery fire behind the enemy front line at targets that could not be seen by ground observers. The fall of shot of artillery fire were easy enough for
2158-641: The French coast to the Bay of the Somme and followed the river to Amiens . When the BEF moved forward to Maubeuge the RFC accompanied them. On 19 August the Corps undertook its first action of the war, with two of its aircraft performing aerial reconnaissance . The mission was not a great success; to save weight each aircraft carried a pilot only instead of the usual pilot and observer. Because of this, and poor weather, both of
2241-488: The HQ, and three Landing Grounds, one per each flight . Stations tended to be named after the local railway station, to simplify the administration of rail travel warrants. Typically a training airfield consisted of a 2,000 feet (610 m) grass square. There were three pairs plus one single hangar, constructed of wood or brick, 180 feet (55 m) x 100 feet (30 m) in size. There were up to 12 canvas Bessonneau hangars as
2324-478: The Naval Wing. The Royal Navy , however, with priorities different from those of the Army and wishing to retain greater control over its aircraft, formally separated its branch and renamed it the Royal Naval Air Service on 1 July 1914, although a combined central flying school was retained. The RFC's motto was Per ardua ad astra ("Through adversity to the stars"). This remains the motto of
2407-608: The Royal Flying Corps a month later on 13 May. The Flying Corps' initial allowed strength was 133 officers, and by the end of that year it had 12 manned balloons and 36 aeroplanes . The RFC originally came under the responsibility of Brigadier-General Henderson , the Director of Military Training, and had separate branches for the Army and the Navy. Major Sykes commanded the Military Wing and Commander C R Samson commanded
2490-439: The Royal Flying Corps consisted of a Military and a Naval Wing, with the Military Wing consisting of three squadrons each commanded by a major. The Naval Wing, with fewer pilots and aircraft than the Military Wing, did not organise itself into squadrons until 1914; it separated from the RFC that same year. By November 1914 the Royal Flying Corps, even taking the loss of the Naval Wing into account, had expanded sufficiently to warrant
2573-494: The Royal Flying Corps consisted of a number of squadrons . When the Royal Flying Corps was established it was intended to be a joint service. Owing to the rivalry between the British Army and Royal Navy, new terminology was thought necessary in order to avoid marking the Corps out as having a particularly Army or Navy ethos. Accordingly, the Corps was originally split into two wings: a Military Wing (i.e. an army wing) and
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2656-555: The Royal Flying Corps in France was never titled as a division, by March 1916 it comprised several brigades and its commander (Trenchard) had received a promotion to major-general, giving it in effect divisional status. Finally, the air raids on London and the south-east of England led to the creation of the London Air Defence Area in August 1917 under the command of Ashmore who was promoted to major-general. Two of
2739-535: The War Office in August 1915, he submitted a scheme to the Army Council which was intended to expand the command structure of the Flying Corps. The Corps' wings would be grouped in pairs to form brigades and the commander of each brigade would hold the temporary rank of brigadier-general . The scheme met with Lord Kitchener 's approval and although some staff officers opposed it, the scheme was adopted. In
2822-614: The administration section of the squadron. Each flight contained on average between six and ten pilots (and a corresponding number of observers, if applicable) with a senior sergeant and thirty-six other ranks (as fitters, riggers, metalsmiths, armourers, etc.). The average squadron also had on complement an equipment officer, armaments officer (each with five other ranks) and a transport officer, in charge of twenty-two other ranks. The squadron transport establishment typically included one car, five light tenders, seven heavy tenders, two repair lorries, eight motorcycles and eight trailers. Wings in
2905-622: The adoption of a continually offensive stance operationally in efforts to pin the enemy back led to many brave fighting exploits and high casualties – over 700 in 1916, the rate worsening thereafter, until the RFC's nadir in April 1917 which was dubbed ' Bloody April '. This aggressive, if costly, doctrine did however provide the Army General Staff with vital and up-to-date intelligence on German positions and numbers through continual photographic and observational reconnaissance throughout
2988-510: The aircraft could not receive. Originally only a special Wireless Flight attached to No. 4 Squadron RFC had the wireless equipment. Eventually this flight was expanded into No. 9 Squadron under Major Hugh Dowding . However, in early 1915 the Sterling lightweight wireless became available and was widely used. In 1915 each corps in the BEF was assigned a RFC squadron solely for artillery observation and reconnaissance duties. The transmitter filled
3071-419: The aircraft, constructed from wood, wire and fabric, were liable to weather damage. Other airfield buildings were typically wooden or Nissen huts . Landing Grounds were often L-shaped, usually arrived at by removing a hedge boundary between two fields, and thereby allowing landing runs in two directions of 400–500 metres (1,300–1,600 ft). Typically they would be manned by only two or three airmen, whose job
3154-469: The airman reported the position of the ranging round using the clock code, the battery adjusted their firing data and fired again, and the process was repeated until the pilot observed an on-target or close round. The battery commander then decided how much to fire at the target. The results were mixed. Observing artillery fire, even from above, requires training and skill. Within artillery units, ground observers received mentoring to develop their skill, which
3237-455: The balloons some distance away from the front line or area of military operations. However, the stable platform offered by a kite-balloon made it more suitable for the cameras of the day than an aircraft. For the first half of the war, as with the land armies deployed, the French air force vastly outnumbered the RFC, and accordingly did more of the fighting. Despite the primitive aircraft, aggressive leadership by RFC commander Hugh Trenchard and
3320-473: The battery they were colocated with. This led to concerns as to who had responsibility for them and in November 1916 squadron commanders had to be reminded "that it is their duty to keep in close touch with the operators attached to their command, and to make all necessary arrangements for supplying them with blankets, clothing, pay, etc" (Letter from Headquarters, 2nd Brigade RFC dated 18 November 1916 – Public Records Office AIR/1/864) The wireless operators' work
3403-643: The building of headquarters/administration offices, mess buildings, fuel and weapon stores, wireless huts and other support structures as well as the aircraft hangarage and repair facilities. Narborough and Marham both started off as Night Landing Grounds a few miles apart. One was an RNAS Station, the other RFC. Narborough grew to be the largest aerodrome in Britain at 908 acres (367 ha) with 30 acres (12 ha) of buildings including seven large hangars, seven motorised transport (MT) garages, five workshops, two coal yards, two Sergeants' Messes, three dope sheds and
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3486-400: The cockpit and other vulnerable areas such as engines to protect the pilot and key flight components, while aircraft designed mostly for air combat tend to have most of their armor placed to protect directly ahead or to the rear, where fire from other aircraft is most likely, leaving them more vulnerable to fire from directly below or to the sides, where much ground fire often comes from. While
3569-588: The cockpit normally used by the observer and a trailing wire antenna was used which had to be reeled in prior to landing. The RFC's wireless experiments under Major Herbert Musgrave, included research into how wireless telegraphy could be used by military aircraft. However, the most important officers in wireless development were Lieutenants Donald Lewis and Baron James in the RFC HQ wireless unit formed in France in September 1914. They developed both equipment and procedures in operational sorties. An important development
3652-659: The concept of the heavily protected cockpit or "bathtub" to permit the pilot to survive counterfire from anti-aircraft batteries. The Luftwaffe's best strafing plane was the Junkers Ju 87 Stuka . The Ju 87 G variant had two Rheinmetall-Borsig 37 mm (1.5 in) Flak 18 guns each mounted under the wing. For the RAF, the best ground attack plane was the Hawker Hurricane II . It was armed with four 20 mm (0.79 in) wing-mounted cannon. The Hawker Typhoon and its derivative Hawker Tempest were used in
3735-441: The conduct of operations. Fired at constantly by friend and foe, and not hesitating to fly in every kind of weather, they have remained undaunted throughout. Further, by actually fighting in the air, they have succeeded in destroying five of the enemy's machines." Early in the war RFC aircraft were not systematically marked with any national insignia . At a squadron level, Union Flag markings in various styles were often painted on
3818-544: The conspicuous white circle of the "day" marking. Later in September, 1914, during the First Battle of the Aisne , the RFC made use of wireless telegraphy to assist with artillery targeting and took aerial photographs for the first time. From 16,000 feet a photographic plate could cover some 2 by 3 miles (3.2 km × 4.8 km) of front line in sharp detail. In 1915 Lieutenant-Colonel JTC Moore-Brabrazon designed
3901-526: The control of the new Air Ministry . After starting in 1914 with some 2,073 personnel, by the start of 1919 the RAF had 4,000 combat aircraft and 114,000 personnel in some 150 squadrons. With the growing recognition of the potential for aircraft as a cost-effective method of reconnaissance and artillery observation, the Committee of Imperial Defence established a sub-committee to examine the question of military aviation in November 1911. On 28 February 1912
3984-589: The creation of wings consisting of two or more squadrons. These wings were commanded by lieutenant-colonels. In October 1915 the Corps had undergone further expansion which justified the creation of brigades , each commanded by a brigadier-general . Further expansion led to the creation of divisions , with the Training Division being established in August 1917 and RFC Middle East being raised to divisional status in December 1917. Additionally, although
4067-673: The crucial observation of the 1st German Army's approach towards the flank of the British Expeditionary Force. This allowed the BEF Commander-in-Chief Field Marshal Sir John French to realign his front and save his army around Mons. Next day, the RFC found itself fighting in the Battle of Mons and two days after that, gained its first air victory. On 25 August, Lt C. W. Wilson and Lt C. E. C. Rabagliati forced down
4150-455: The direction the aircraft is pointing in (in most cases, flexible guns on a fixed wing aircraft are for defense purposes only, although they can sometimes be used to fire on ground targets to limited effect). Some fixed wing aircraft, like fighter-bombers , are capable of flying either air-combat missions or ground attack missions ( P-47 Thunderbolt ), while others are dedicated ground-attack types ( Il-2 Sturmovik ). In cases where an aircraft
4233-510: The earliest use of military aircraft was for observation and directing of artillery, strafing was frequently practised in World War I . Trenches and supply columns were routinely attacked from the air in the second half of the war. Strafing with machine guns was used when precision was needed (facing small targets), but non-strafing attack methods (primarily small bombs) were preferred for larger targets, area targets, or when low-altitude flying
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#17327939149754316-518: The end of March 1918, the Royal Flying Corps comprised some 150 squadrons. The composition of an RFC squadron varied depending on its designated role, although the commanding officer was usually a major (in a largely non-operational role), with the squadron 'flights' (annotated A, B, C etc.) the basic tactical and operational unit, each commanded by a captain. A 'recording officer' (of captain/lieutenant rank) would act as intelligence officer and adjutant, commanding two or three NCOs and ten other ranks in
4399-482: The field, most brigades were assigned to the army. Initially a brigade consisted of an army wing and corps wing; beginning in November 1916 a balloon wing was added to control the observation balloon companies. Logistics support was provided by an army aircraft park, aircraft ammunition column and reserve lorry park. All operating locations were officially called "Royal Flying Corps Station name ". A typical Squadron may have been based at four Stations – an Aerodrome for
4482-548: The first aviator to be observed to recover from an accidental spin when the Avro G cabin biplane, with which he had just broken a world endurance record, entered a spin at 700 feet above ground level at Larkhill. Four months later, on 11 December 1912, Parke was killed when the Handley Page monoplane in which he was flying from Hendon to Oxford crashed. Aircraft used during the war by the RFC included: On its inception in 1912
4565-545: The first contracts for the development of aerial photography in the production of its surveying and map-making operations. Throughout the 1920s and 1930s, AOC was employed by Ordnance Survey for surveying in many British overseas colonies in the Middle East, Africa, Asia, etc. Contracts were also obtained from foreign governments such as Brazil for similar work. In the 1920s, AOC owned and operated various aircraft, such as Airco DH.9A and Vickers Vendace , but it identified
4648-452: The first practical aerial camera. These semi-automatic cameras became a high priority for the Corps and photo-reconnaissance aircraft were soon operational in numbers with the RFC. The camera was usually fixed to the side of the fuselage, or operated through a hole in the floor. The increasing need for surveys of the western front and its approaches, made extensive aerial photography essential. Aerial photographs were exclusively used in compiling
4731-642: The first three RFC squadrons were formed from the Air Battalion of the Royal Engineers: No. 1 Company (a balloon company) becoming No. 1 Squadron, RFC , and No. 2 Company (a 'heavier-than-air' company) becoming No. 3 Squadron, RFC . A second heavier-than-air squadron, No. 2 Squadron, RFC , was also formed on the same day. No. 4 Squadron, RFC was formed from No. 2 Sqn in August 1912, and No. 5 Squadron, RFC from No. 3 Sqn in July 1913. By
4814-561: The following locations: The RFC was also responsible for the manning and operation of observation balloons on the Western front . When the British Expeditionary Force (BEF) arrived in France in August 1914, it had no observation balloons and it was not until April 1915 that the first balloon company was on strength, albeit on loan from the French Aérostiers. The first British unit arrived 8 May 1915, and commenced operations during
4897-465: The ground or a signalling lamp to give visual confirmation that the signals had been received. The wireless communication was one way as no receiver was mounted in the aircraft and the ground station could not transmit. Details from: "Henry Tabor's 1916 War Diary" . By May 1916, 306 aircraft and 542 ground stations were equipped with wireless. An unusual mission for the RFC was the delivery of spies behind enemy lines. The first mission took place on
4980-406: The ground. The Royal Engineers' Air Battalion had pioneered experiments with wireless telegraphy in airships and aircraft before the RFC was created. Unfortunately the early transmitters weighed 75 pounds and filled a seat in the cockpit. This meant that the pilot had to fly the aircraft, navigate, observe the fall of the shells and transmit the results by morse code by himself. Also, the wireless in
5063-484: The later stages of the war. They also had four 20 mm (0.79 in) cannons, while also being able to carry up to 8 "60 lb" RP-3 rockets. For the US, the Republic P-47 Thunderbolt was one of the key ground attack planes. It was armed with eight .50 calibre (12.7 mm) machine guns. Another aircraft that was important in that role was the North American B-25 Mitchell . It
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#17327939149755146-438: The morning of 13 September 1915 and was not a success. The plane crashed, the pilot and spy were badly injured and they were both captured (two years later the pilot, Captain T.W. Mulcahy-Morgan escaped and returned to England). Later missions were more successful. In addition to delivering the spies the RFC was also responsible for keeping them supplied with the carrier pigeons that were used to send reports back to base. In 1916,
5229-471: The pilot to see, providing he was looking in the right place at the right time; apart from this the problem was communicating corrections to the battery. Development of procedures had been the responsibility of No 3 Squadron and the Royal Artillery in 1912–13. These methods usually depended on the pilot being tasked to observe the fire against a specific target and report the fall of shot relative to
5312-476: The pilots lost their way and only one was able to complete his task. On 22 August 1914, the first British aircraft was lost to German fire. The crew – pilot Second Lieutenant Vincent Waterfall and observer Lt. Charles George Gordon Bayly, of 5 Squadron – flying an Avro 504 over Belgium, were killed by infantry fire. Also on 22 August 1914, Captain L E O Charlton (observer) and his pilot, Lieutenant Vivian Hugh Nicholas Wadham, made
5395-537: The risk of collision with the ground and increasing the amount of firing time available before having to pull up, and it also increases the range from the target, helping avoid anti-aircraft fire and potential damage from exploding targets. Consequently, several types of aircraft-mounted gun pods like the Soviet SPPU-22 allowed for a mechanical depression of their barrels. Because of the low altitude and relatively low airspeed required for accurate strafing, it
5478-502: The roundel was applied to the fuselage sides as well as the wings. To minimise the likelihood of "friendly" attack, the rudders of RFC aircraft were painted to match the French, with the blue, white and red stripes – going from the forward (rudder hingeline) to aft (trailing edge) – of the French tricolour . Later in the war, a "night roundel" was adopted for night flying aircraft (especially Handley Page O/400 heavy bombers), which omitted
5561-475: The staff and equipment of AOC were requisitioned by the Air Ministry. Hemming became a squadron leader, later wing commander; expert AOC photographic interpreter Michael Spender was joined by new RAF personnel headed by Squadron Leader Walter Heath. Operations continued to expand at the Wembley head office (nicknamed 'Paduoc House') under the title Photographic Development Unit (Interpretation) (or PDU(I)), as
5644-400: The start of World War I the RFC, commanded by Brigadier-General Sir David Henderson , consisted of five squadrons – one observation balloon squadron (RFC No 1 Squadron) and four aeroplane squadrons. These were first used for aerial spotting on 13 September 1914 but only became efficient when they perfected the use of wireless communication at Aubers Ridge on 9 May 1915. Aerial photography
5727-475: The sub-committee reported its findings which recommended that a flying corps be formed and that it consist of a naval wing, a military wing, a central flying school and an aircraft factory. The recommendations of the committee were accepted and on 13 April 1912 King George V signed a royal warrant establishing the Royal Flying Corps. The Air Battalion of the Royal Engineers became the Military Wing of
5810-435: The target, the battery adjusted their aim, fired and the process was repeated until the target was effectively engaged. One early communication method was for the flier to write a note and drop it to the ground where it could be recovered but various visual signalling methods were also used. This meant the pilots had to observe the battery to see when it fired and see if it had laid out a visual signal using white marker panels on
5893-465: The war ended. By this time parachutes had been used by balloonists for three years. On 17 August 1917, South African General Jan Smuts presented a report to the War Council on the future of air power . Because of its potential for the 'devastation of enemy lands and the destruction of industrial and populous centres on a vast scale', he recommended a new air service be formed that would be on
5976-591: The war. At the start of the war, numbers 2, 3, 4 and 5 Squadrons were equipped with aeroplanes. No. 1 Squadron had been equipped with balloons but all these were transferred to the Naval Wing in 1913; thereafter No. 1 Squadron reorganised itself as an 'aircraft park' for the British Expeditionary Force. The RFC's first casualties were before the Corps even arrived in France: Lt Robert R. Skene and Air Mechanic Ray Barlow were killed on 12 August 1914 when their (probably overloaded) plane crashed at Netheravon on
6059-552: The way to rendezvous with the rest of the RFC near Dover . Skene had been the first Englishman to perform a loop in an aeroplane. On 13 August 1914, 2, 3, and 4 squadrons, comprising 60 machines, departed from Dover for the British Expeditionary Force in France and 5 Squadron joined them a few days later. The aircraft took a route across the English Channel from Dover to Boulogne , then followed
6142-540: The wings (and sometimes the fuselage sides and/or rudder). However, there was a danger of the large red St George's Cross being mistaken for the German Eisernes Kreuz (iron cross) marking, and so of RFC aircraft being fired upon by friendly ground forces. By late 1915, therefore, the RFC had adopted a modified version of the French cockade (or roundel ) marking, with the colours reversed (the blue circle outermost). In contrast to usual French practice,
6225-552: Was attempted during 1914, but again only became effective the next year. By 1918, photographic images could be taken from 15,000 feet and were interpreted by over 3,000 personnel. Parachutes were not available to pilots of heavier-than-air craft in the RFC – nor were they used by the RAF during the First World War – although the Calthrop Guardian Angel parachute (1916 model) was officially adopted just as
6308-495: Was no longer used as a brand. However, its subsidiary Aerofilms continued as a named resource for aerial photographs, and its co-founder Francis Wills went on to become managing director of Hunting Aerosurveys. Royal Flying Corps The Royal Flying Corps ( RFC ) was the air arm of the British Army before and during the First World War until it merged with the Royal Naval Air Service on 1 April 1918 to form
6391-604: Was not available to RFC aircrew. There were undoubtedly some very skilled artillery observers in the RFC, but there were many who were not and there was a tendency for ' optimism bias ' – reporting rounds as being on target when they were not. The procedures were also time-consuming. The ground stations were generally attached to heavy artillery units, such as Royal Garrison Artillery Siege Batteries, and were manned by RFC wireless operators, such as Henry Tabor. These wireless operators had to fend for themselves as their squadrons were situated some distance away and they were not posted to
6474-399: Was often carried out under heavy artillery fire in makeshift dug-outs. The artillery batteries were important targets and antennas were a lot less robust than the guns, hence prone to damage requiring immediate repair. As well as taking down and interpreting the numerous signals coming in from the aircraft, the operator had to communicate back to the aircraft by means of cloth strips laid out on
6557-680: Was significant as the First Army's manoeuvre allowed French forces to make an effective counter-attack at the Battle of the Marne . Sir John French 's (the British Expeditionary Force commander) first official dispatch on 7 September included the following: "I wish particularly to bring to your Lordships' notice the admirable work done by the Royal Flying Corps under Sir David Henderson. Their skill, energy, and perseverance has been beyond all praise. They have furnished me with most complete and accurate information, which has been of incalculable value in
6640-517: Was the Zone Call procedure in 1915. By this time maps were 'squared' and a target location could be reported from the air using alphanumeric characters transmitted in Morse code. Batteries were allocated a Zone, typically a quarter of a mapsheet, and it was the duty of the RFC signallers on the ground beside the battery command post to pick out calls for fire in their battery's Zone. Once ranging started
6723-739: Was to guard the fuel stores and assist any aircraft which had occasion to land. Accommodation for airmen and pilots was often in tents, especially on the Western Front. Officers would be billeted to local country houses , or commandeered châteaux when posted abroad, if suitable accommodation had not been built on the Station. Landing Grounds were categorised according to their lighting and day or night capabilities: Stations that were heavily used or militarily important grew by compulsorily purchasing extra land, changing designations as necessary. Aerodromes would often grow into sprawling sites, due to
6806-524: Was too risky. The German army was the first to introduce a class of aircraft specially designed for strafing, the ground-attack aircraft . Planes built specifically for strafing include the German World War I Junkers J.I , which was armored to protect it from ground-based gunfire. The Junkers J.I. had two downward-facing machine guns that were used for strafing. These developments continued through World War II with dedicated aircraft including
6889-699: Was used for low-altitude strafing runs in the Pacific War. The Russian Ilyushin IL-2 Sturmovik was one of the key Russian ground attack planes. It had heavy armour around the engine, underside and canopy. It was armed with 20, 23, or 37 mm (0.79, 0.91, or 1.46 in) cannon, depending on the model. An RCAF Spitfire of 412 Squadron piloted by Charley Fox strafed the command car of Erwin Rommel on 17 July 1944 near Sainte-Foy-de-Montgommery , affecting his possible participation in
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