Junkers Ju 52

Ju 52
Ju-Air Junkers Ju-52/3m in flight over Austria (July 2013)
Role Transport aircraft, medium bomber, airliner
Manufacturer Junkers
Designer Ernst Zindel
First flight 13 October 1930 (Ju 52/1m); 7 March 1932 (Ju 52/3m)
Status Active
Primary user Luftwaffe
Produced 1931–1945 (Germany)
1945–1947 (France)
1945–1952 (Spain)
Number built 4,845


The Junkers Ju 52 (nicknamed Tante Ju ("Aunt Ju") and Iron Annie) is a German trimotor transport aircraft manufactured from 1931 to 1952. It saw both civilian and military service during the 1930s and 1940s. In a civilian role, it flew with over twelve air carriers including Swissair and Deutsche Luft Hansa as an airliner and freight hauler. In a military role, it flew with the Luftwaffe as a troop and cargo transport and briefly as a medium bomber. The Ju 52 continued in postwar service with military and civilian air fleets well into the 1980s.

Design and development

The Ju 52 was similar to the company's previous Junkers W 33, although larger. In 1930, Ernst Zindel and his team designed the Ju 52 at the Junkers works at Dessau. The aircraft's unusual corrugated duralumin metal skin, pioneered by Junkers during World War I, strengthened the whole structure.

The Ju 52 had a low cantilever wing, the midsection of which was built into the fuselage, forming its underside.[1] It was formed around four pairs of circular cross-section duralumin spars with a corrugated surface that provided torsional stiffening. A narrow control surface, with its outer section functioning as the aileron, and the inner section functioning as a flap, ran along the whole trailing edge of each wing panel, well separated from it. The inner flap section lowered the stalling speed and the arrangement became known as the Doppelflügel, or "double wing".[2]

Lufthansa's 21st-century airworthy heritage Ju 52/3mg2e (Wk-Nr 5489) in flight, showing the Doppelflügel, "double wing" trailing edge control surfaces.

The outer sections of this operated differentially as ailerons, projecting slightly beyond the wingtips with control horns. The strutted horizontal stabilizer carried horn-balanced elevators which again projected and showed a significant gap between them and the stabilizer, which was adjustable in-flight. All stabilizer surfaces were corrugated.

The fuselage was of rectangular section with a domed decking, all covered with corrugated light alloy. There was a port side passenger door just aft of the wings, with windows stretching forward to the pilots' cockpit. The main undercarriage was fixed and divided; some aircraft had wheel fairings, others not. There was a fixed tailskid, or a later tailwheel. Some aircraft were fitted with floats or skis instead of the main wheels.

In its original configuration, designated the Ju 52/1m, the Ju 52 was a single-engined aircraft, powered by either a BMW IV or Junkers liquid-cooled V-12 engine. However, the single-engine model was underpowered, and after seven prototypes had been completed, all subsequent Ju 52s were built with three radial engines as the Ju 52/3m (drei motoren — "three engines"). Originally powered by three Pratt & Whitney R-1690 Hornet radial engines, later production models mainly received 574 kW (770 hp) BMW 132 engines, a licence-built refinement of the Pratt & Whitney design. Export models were also built with 447 kW (600 hp) Pratt & Whitney R-1340 Wasp and 578 kW (775 hp) Bristol Pegasus VI engines. The two wing-mounted radial engines of the Ju 52/3m had half-chord cowlings and in planform view (from above/below) appeared to be splayed outwards, being mounted at an almost perpendicular angle to the tapered wing's sweptback leading edge (in a similar fashion to the Mitsubishi G3M bomber and Short Sunderland; the angled engines on the Ju 52 were intended to make it easier to maintain straight flight should an engine fail, while the others had different reasons). The three engines had either Townend ring or NACA cowlings to reduce drag from the engine cylinders, although a mixture of the two was most common (as can been seen in many of the accompanying photographs), with deeper-chord NACA ducts on the wing engines and a narrow Townend ring on the center engine (which was more difficult to fit a deeper NACA cowl onto, due to the widening fuselage behind the engine). Production Ju 52/3m aircraft flown by Luft Hansa before World War II, as well as Luftwaffe-flown Ju 52s flown during the war, usually used an air-start system to turn over their trio of radial engines, using a common compressed air supply that also operated the main wheels' brakes.

Operational history

Ju 52/1m replica (converted from 52/3m) of "CF-ARM" at the Royal Aviation Museum of Western Canada, Winnipeg, Manitoba, Canada
Ju 52s damaged in Crete, 1941
A Luftwaffe Ju 52 being serviced in Crete in 1943. Note the narrow chord Townend ring on the central engine and the deeper-chord NACA cowlings on the wing engines.
Luftwaffe Ju 52s dropping paratroops
Internal view of Ju 52 showing a defensive MG 15 beam machine gun and storage mounts for spare saddle-drum magazines.
Junkers Ju 52 cockpit layout
Junkers Ju 52

Prewar civil use

In 1932, James A. Richardson's Canadian Airways received (Werknummer 4006) CF-ARM, the sixth ever-built Ju 52/1m. The aircraft, first re-fitted with an Armstrong Siddeley Leopard radial engine and then later with a Rolls-Royce Buzzard and nicknamed the "Flying Boxcar" in Canada,[3][4] could lift approximately three tons and had a maximum weight of 7 tonnes (8 tons). It was used to supply mining and other operations in remote areas with equipment too big and heavy for other aircraft then in use. The Ju 52/1m was able to land on wheels, skis or floats (as were all Ju 52 variants).[5]

Before the nationalisation of the German aircraft industry in 1935, the Ju 52/3m was produced principally as a 17-seat airliner. It was used mainly by Luft Hansa and could fly from Berlin to Rome in eight hours. The Luft Hansa fleet eventually numbered 80 and flew from Germany on routes in Europe, Asia and South America.

Military use 1932–1945

The Colombian Air Force used three Ju 52/3mde bombers equipped as floatplanes during the Colombia-Peru War in 1932–1933. After the war, the air force acquired three other Ju 52mge as transports; the type remained in service until after World War II.

Bolivia acquired four Ju 52s in the course of the Chaco War (1932–1935), mainly for medical evacuation and air supply. During the conflict, the Ju 52s alone transported more than 4,400 tons of cargo to the front.[6]

In 1934, Junkers received orders to produce a bomber version of the Ju 52/3m to serve as interim equipment for the bomber units of the still-secret Luftwaffe until it could be replaced by the purpose designed Dornier Do 11.[7] Two bomb bays were fitted, capable of holding up to 1,500 kg (3,300 lb) of bombs, while defensive armament consisted of two 7.92mm MG 15 machine guns, one in an open dorsal position, and one in a retractable "dustbin" ventral position, which could be manually winched down from the fuselage to protect the aircraft from attacks from below. The bomber could be easily converted to serve in the transport role.[8] The Dornier Do 11 was a failure, however, and the Junkers ended up being acquired in much larger numbers than at first expected, with the type being the Luftwaffe's main bomber until more modern aircraft such as the Heinkel He 111, Junkers Ju 86 and Dornier Do 17 entered into service.[9][10]

The Ju 52 first saw military service in the Spanish Civil War against the Spanish Republic. It was one of the first aircraft delivered to the fraction of the army in revolt in July 1936 as both a bomber and transport. In the former role, it participated in the bombing of Guernica. No more of the bomber variant were built after this war, though it was again used as a bomber during the bombing of Warsaw[11] during the Invasion of Poland of September 1939. The Luftwaffe then relied on the Ju 52 for transport roles during World War II, including paratroop drops.

World War II

While in use by the Deutsche Lufthansa the Ju 52 had proved to be an extremely reliable passenger airplane and was, therefore, adopted by the Luftwaffe as a standard aircraft model. In 1938, the 7th Air Division had five air transport groups with 250 Ju 52s. The Luftwaffe had 552 Ju 52s at the start of World War II. Even though it was built in great numbers, the Ju.52 was technically obsolete. Between 1939 and 1944, 2.804 Ju 52s were delivered to the Luftwaffe (1939: 145; 1940: 388; 1941: 502; 1942:503; 1943:887; and 1944:379). The production of Ju 52s continued until approximately the summer of 1944; when the war came to an end, there were still 100 to 200 available.

The Ju 52 could carry eighteen fully equipped soldiers, or twelve stretchers when used as an air ambulance. Transported material was loaded and unloaded through side doors by means of a ramp. Air dropped supplies were jettisoned through two double chutes; supply containers were dropped by parachute through the bomb-bay doors, and paratroopers jumped through the side doors. Half-track motorcycles (kettenkraftrad) and parachute troops' supply canisters were secured under the fuselage at the bomb bay exits and were dropped with four parachutes. A tow coupling was built into the tail-skid for use in towing freight gliders. The Ju 52 could tow up to two DFS 230 gliders.

Heavy losses in combat

The first major operation for the aircraft was in Operation Weserübung, the attack on Denmark and Norway on 9 April 1940. Fifty-two Ju 52s from 1. and 8. Staffel in Kampfgeschwader 1 transported a company of Fallschirmjäger and a battalion of infantry to the northern part of Jutland, and captured the airfield at Aalborg, vital to support the operation in southern Norway. Several hundred Ju 52s were used to transport troops to Norway in the first days of this campaign.

The Netherlands

Later, Ju 52's participated in the attack on the Netherlands on 10 May 1940, where they were deployed in the first large-scale air attack with paratroops in history during the Battle for The Hague. No fewer than 295 Ju 52s were lost in that venture and in other places in the country, due to varying circumstances, among which were accurate and effective Dutch anti-aircraft defences and German mistakes in using soggy airfields not able to support the heavy craft.[12] On 10 May alone, 278 were downed or disabled.

Thus, almost an entire year's production was lost in one day in the Netherlands. The lack of sufficient numbers of aircraft most probably heavily influenced the decision not to invade England following the Battle of Britain.[12]

After Holland

After the campaign in the West, the air transport units were brought up to their pre-Holland strength and were assembled at airfields in the Lyon, Lille, and Arras areas in August 1940.[13] Probably this was done using new and repaired aircraft augmented by other transport planes like the FW-200 Condor and the Ju 90.

A Ju 52 approaching Stalingrad, 1942

The next major use of the Ju 52 was in the Balkans campaign, most famously in the Battle of Crete in May 1941. Lightly armed, and with a top speed of only 265 km/h (165 mph) – half that of a contemporary Hurricane – the Ju 52 was very vulnerable to fighter attack and an escort was always necessary when flying in a combat zone. Many Ju 52's were shot down by anti-aircraft guns and fighters while transporting supplies, most notably during the desperate attempt to resupply the trapped German Sixth Army during the final stages of the Battle of Stalingrad in the winter of 1942–1943.

During the North African Campaign, the Ju 52 was the mainstay reinforcement and resupply transport for the Germans, starting with 20 to 50 flights a day to Tunisia from Sicily in November 1942, building to 150 landings a day in early April as the Axis situation became more desperate. The Allied air forces developed a counter-air operation over a two-month period and implemented Operation Flax on 5 April 1943, destroying 11 Ju 52s in the air near Cap Bon and many more during bombing attacks on its Sicilian airfields, leaving only 29 flyable.[14] That began two catastrophic weeks in which more than 140 were lost in air interceptions,[15] culminated on 18 April with the infamous "Palm Sunday Massacre" in which 24 Ju 52's were shot down and another 35 staggered back to Sicily and crash-landed.[16]

A minesweeper Ju 52/3m MS (= Magnetspule) equipped with degaussing ring

The seaplane version, equipped with two large floats, served during the Norwegian Campaign in 1940, and later in the Mediterranean theatre. Some Ju 52's, both floatplanes and landplanes, were also used as minesweepers, known as Minensuch — literally, "mine-search" aircraft in German — fitted with a 14 m diameter current-carrying degaussing ring under the airframe to create a magnetic field that triggered submerged naval mines.[17]

Hitler's personal transport

Hitler used a Deutsche Luft Hansa Ju 52 for campaigning in the 1932 German election, preferring flying to transport by train. After he became Chancellor of Germany in 1933, Hans Baur became his personal pilot, and Hitler was provided with a personal Ju 52. Named Immelmann II after the World War I ace Max Immelmann, it carried the registration D-2600.[18] As his power and importance grew, Hitler's personal air force grew to nearly 50 aircraft, based at Berlin Tempelhof Airport and made up of mainly Ju 52s, which also flew other members of his cabinet and war staff. In September 1939 at Baur's suggestion, his personal Ju 52 Immelmann II was replaced by the four-engine Focke-Wulf Fw 200 Condor, although Immelman II remained his backup aircraft for the rest of World War II.

Chiang Kai-shek's personal transport

A Ju 52 of Eurasia, 1930s in China

Eurasia was the main Chinese Airliner Company in the 1930s and Ju 52 was the main airliner plane. One of them was commandeered by the Chinese Nationalist Party Government and became Chiang Kai-shek's personal transport.

Postwar use

Ju 52/3m of British European Airways in 1947
French-built AAC.1 of STA at Manchester Airport in 1948. This aircraft is preserved in Belgrade
Junkers C-79, s/n 42-52883, at Howard Field, Panama Canal Zone, late 1942 with the USAAF 20th Transportation Squadron, Sixth Air Force.

Various Junkers Ju 52s continued in military and civilian use following World War II. In 1956, the Portuguese Air Force, who was already using the Ju 52s as a transport plane, employed the type as a paratroop drop aircraft for its newly organized elite parachute forces, later known as the Batalhão de Caçadores Páraquedistas. The paratroopers used the Ju 52 in several combat operations in Angola and other Portuguese African colonies before gradually phasing it out of service in the 1960s.[19]

The Swiss Air Force also operated the Ju 52 from 1939 to 1982 when three aircraft remained in operation, probably the last and longest service in any air force.[20] Museums hoped to obtain the aircraft, but they were not for sale.[21] They are still in flying condition and together with a CASA 352 can be booked for sightseeing tours with Ju-Air.[22] During the 1950s the Ju 52 was also used by the French Air Force during the First Indochina War as a bomber. The usage of these Junkers was quite limited.[23]

The Spanish Air Force operated the Ju 52, nicknamed Pava, until well into the 1970s. Escuadrón 721 flying the Spanish-built versions, was employed in training parachutists from Alcantarilla Air Base near Murcia.[24]

Some military Ju 52s were converted to civilian use. For example, British European Airways operated eleven ex-Luftwaffe Ju 52/3mg8e machines, taken over by the RAF, between 1946 and retirement in 1947 on intra-U.K. routes before the Douglas DC-3 was introduced to the airline.[2] French airlines such as Societe de Transports Aeriens (STA) and Air France flew Toucans in the late 1940s and early 1950s.

A Ju 52 and a Douglas DC-3 were the last aircraft to take off from Berlin Tempelhof Airport before all operations ceased there on October 30, 2008.[25]

Other versions

Most Ju 52s were destroyed after the war, but 585 were manufactured after 1945. In France, the machine had been manufactured during the war by the Junkers-controlled Avions Amiot company, and production continued afterwards as the Amiot AAC 1 Toucan. In Spain, Construcciones Aeronáuticas SA continued production as the CASA 352 and 352L. Four CASA 352s are airworthy and in regular use today.

A CASA-built Ju52/3m appears in the opening sequence of the 1968 Richard Burton and Clint Eastwood film Where Eagles Dare.

Variants

Data from;Junkers Aircraft & Engines 1913–1945[26]

Ju 52
Prototype of the single-engined transport aircraft, of twelve laid down only six were completed as single-engined aircraft. First flight: 3 September 1930, powered by a BMW VIIaU engine.[27]
Ju 52/1mba
The prototype Ju 52, (c/n 4001, regn D-1974), re-designated after being re-engined with a single Junkers L-88 engine.
Ju 52/1mbe
Aircraft powered by BMW VIIaU
Ju 52/1mca
D-1974 fitted with drag flaps and re-fitted with a BMW VIIaU
Ju 52/1mcai
D-2356, (c/n 4005), crashed in May 1934.
Ju 52/1mce
D-USON (c/n 4003) used as a target tug. D-2317, (c/n 4004), converted to a torpedo bomber in Sweden as the K 45
Ju 52/1mdo:D-1974 fitted with a Junkers Jumo 4 engine as a testbed, re-registered as D-UZYP from 1937.
Ju 52/1mbi
The second prototype,(c/n 4002, regn D-2133), fitted with an 600 kW (800 hp) Armstrong Siddeley Leopard engine.
Ju 52/1mci
The second prototype fitted with 11.05 m (36 ft 3 in) long stepped floats, flying from the River Elbe on 17 July 1931
Ju 52/1mdi
The second prototype after having the floats removed and undercarriage reinstated, registered as D-USUS from 1934.
Ju 52/3m
Three-engine prototype, powered by three 410 kW (550 hp) Pratt & Whitney R-1340 Wasp engines. First flight: 7 March 1932
Ju 52/3mce
Three-engine civil transport aircraft.
Ju 52/3mge
Interim bomber and transport aircraft for the Luftwaffe.
Ju 52/3mg3e
Improved military version, powered by three 541 kW (725 hp) BMW 132-A3 (improved version of the Pratt & Whitney R-1690 Hornet) radial engines, equipped with an improved radio and bomb-release mechanism.
Ju 52/3mg4e
Military version. The tailskid was replaced by a tailwheel.
Ju 52/3mg5e
Military version, powered by three 619 kW (830 hp) BMW 132T radials. It could be fitted with interchangeable floats, skis and wheel landing gear.
Ju 52/3mg6e
Equipped with a simplified radio.
Ju 52/3mg7e
Fitted with an autopilot and a large loading hatch.
Ju 52/3mg8e
Fitted with an extra cabin-roof hatch.
Ju 52/3mg9e
Late production version, fitted with strengthened landing gear and glider towing gear.
Ju 52/3mg10e
Similar to the Ju 52/3mg9e, but it could be fitted with floats or wheels.
Ju 52/3mg11e
No details are known.
Ju 52/3mg12e
Powered by three BMW 132L radials.
Ju 52/3m12e
Some Ju 52/3mg12s were sent to Luft Hansa.
Ju 52/3mg13e
No details are known.
Ju 52/3mg14e
this was the last German production version.
A.A.C. 1 Toucan
Post-war French version, 415 built.[28]
CASA 352
Post-war Spanish version, 106 built.[28]
CASA 352L
Spanish version with Spanish 578 kW (775 hp) ENMA Beta B-4 (license-built BMW 132) engines, 64 built.[28][29]
C-79
Designation assigned to a single example operated by the United States Army Air Forces.[30]
T2B
Designation used by the Spanish Air Force.
Tp 5
Designation used by the Swedish Air Force.
K 45c
A single Ju 52/1mce (c/n:4004) was delivered to the Junkers factory at Limhamm in Sweden, where it was converted to a torpedo bomber as the K 45c.

Operators

A Lufthansa Junkers Ju 52/3m (registered D-CDLH), until 1984, known as "Iron Annie N52JU", painted as D-AQUI in historic 1936 Deutsche Luft Hansa colors. D-CDLH has P&W engines, now with three-bladed propellers (ex Caiden).
CASA 352 (license-built Junkers Ju 52/3m) in Ju-Air markings at Zürich airport
Preserved AAC 1 showing corrugated skin, at Duxford, 2001

Incidents and accidents

Survivors

Airworthy aircraft

As of 2008, eight Ju 52 remain in operation, four of which operate pleasure flights from Dübendorf airport in Switzerland.[31] Lufthansa operates one Ju 52/3m (D-AQUI) for air shows and pleasure flights.[32]

Aircraft on display

Germany
Junkers Ju 52/3m (D-AZAW) is on display at the Deutsches Technikmuseum in Berlin
Argentina
Belgium
Colombia
France
Norway
Poland
Portugal
Serbia
Spain
United Kingdom
United States

Specifications (Junkers Ju 52/1m ce)

Data from Wolfgang Wagner[45]

General characteristics

Performance

Specifications (Junkers Ju 52/3m ce)

Data from Wolfgang Wagner "Hugo Junkers Pionier der Luftfahrt - Seine Flugzeuge" Bernard & Graefe Verlag, Bonn 1996 ISBN 3-7637-6112-8 (in German) p. 358

General characteristics

Performance

Specifications (Junkers Ju 52/3m g7e)

CASA 352-L

Data from Jane’s Fighting Aircraft of World War II[47]

General characteristics

Performance

Armament

See also

Related development
Aircraft of comparable role, configuration and era
Related lists

References

Notes

  1. ↑ Grey and Bridgman 1972
  2. 1 2 Jackson 1960, p. 100.
  3. ↑ "'Bud' Johnston Library." Rolls-Royce of Canada Ltd., Montreal Quebec.
  4. ↑ "Flying Box Car for Sky Lanes Of Northland." Popular Mechanics, May 1939.
  5. ↑ "Junkers_Ju-52/1m ." scramble.nl. Retrieved: 12 October 2010.
  6. ↑ Hagedorn, Dan & Antonio Luis Sapienza (1996) Aircraft of the Chaco War, 1928–1935. Schiffer Publishing Co. Atglen, pp. 96-100. ISBN 0764301462
  7. ↑ Green 1972, p. 405.
  8. ↑ Green 1972, p. 406.
  9. ↑ Green 1972, pp. 405–406.
  10. ↑ Smith and Kay 1972, p. 360.
  11. ↑ "Warsaw." richmond.edu. Retrieved: 12 October 2010.
  12. 1 2 Dr L. de Jong, 'Het Koninkrijk der Nederlanden in de Tweede Wereldoorlog'(Dutch)
  13. ↑ Page 50, "German Air Force Air Lift Operations", by GeneralMajor Fritz Morzik, USAF Historical Division, 1961
  14. ↑ Craven and Cate 1949, pp. 189-190
  15. ↑ Craven and Cate 1949, pp. 190-191
  16. ↑ Weal 2003, p. 91.
  17. ↑ The Aeroplane Monthly, June 1994 p. 28.
  18. ↑ Hoffmann 2000, p. 75.
  19. ↑ Afonso and Gomes 2000, pp. 178–183.
  20. ↑ airforce history "Ju-52."Swiss Air Force History. Retrieved: 12 October 2010.
  21. ↑ McPhee, John (1983-11-07). "La Place de la Concorde Suisse-II". The New Yorker. p. 55. Retrieved 22 July 2013.
  22. ↑ "Ju 52." Museum of Military Aviation. Retrieved: 12 October 2010.
  23. ↑ Duwelz, Yves. "Junkers Ju 52/3mge W Nr 5670 6309." Aviation Heritage in Belgium, October 2001. Retrieved: 4 April 2009.
  24. ↑ "Escuela Militar de Paracaidismo" (Military school of Parachuting) (in Spanish). ejercitodelaire.mde.es. Retrieved: 4 November 2010.
  25. ↑ Kulish, Nicholas. "Crowds Bid Fond Farewell to Airport That Saved Berlin." New York Times, 30 October 2008. Retrieved: 4 April 2009.
  26. ↑ Kay, Anthony L. (2004). Junkers Aircraft & Engines 1913–1945. London: Putnam Aeronautical Books. ISBN 0 85177 985 9.
  27. ↑ "Aerial Furniture Van Has Capacity of Three Tons" Popular Mechanics, July 1931
  28. 1 2 3 Blewett 2007
  29. ↑ http://www.flightglobal.com/FlightPDFArchive/1968/1968%20-%201509.PDF FLIGHT International, 8 August 1968
  30. ↑ Hagedorn, Dan (Fall 1992). "The Trek of the Aconcagua". AAHS Journal (Huntington Beach, CA: American Aviation Historical Society) 37 (3): 227.
  31. ↑ "Aviation Museum Dóbendorf". Retrieved 25 June 2014.
  32. ↑ "Queen of the Skies". Deutsche Lufthansa Berlin-Stiftung. Retrieved 25 June 2014.
  33. ↑ http://www.flugausstellung.de/flugzeuge.html. Retrieved: 24 May 2011.
  34. ↑ "Ju 52/3m." Deutsches Technikmuseum. Retrieved: 12 October 2010.
  35. ↑ Technikmuseum Hugo Junkers Dessau. Retrieved: 22 June 2011.
  36. ↑ "Junkers Ju-52/3m g4e." Traditionsgemeinschaft Lufttransport Wunstorf . Retrieved: 12 October 2010.
  37. ↑ "Junkers Ju 52/3m [1937]". Munich Airport. Retrieved 15 May 2015.
  38. ↑ Brea, Esteban (13 March 2012). "Museo Nacional de Aeronáutica: Más de medio siglo de preservación" [National Aeronautics Museum: More than half a century of preservation]. Gaceta Aeronautica (in Spanish). Retrieved 29 August 2015.
  39. ↑ "Junkers added to AMPAA collection". Aeroplane (August 2011): 12.
  40. ↑ "Ju 52." luftfahrt.museum.no. Retrieved: 12 October 2010.
  41. ↑ "List of aircraft displayed at the Norwegian Armed Forces Aircraft Collection."akersmus.no. Retrieved: 12 October 2010.
  42. ↑ "Junkers Ju52/3M (CASA 352L)." RAF Museum Cosford. Retrieved: 12 October 2010.
  43. ↑ "Junkers Ju52."Smithsonian National Air and Space Museum. Retrieved: 29 March 2015.
  44. ↑ "Junkers Ju 52."National Museum of the US Air Force. Retrieved: 29 August 2015.
  45. ↑ Wolfgang Wagner Hugo Junkers Pionier der Luftfahrt - Seine Flugzeuge Bernard & Graefe Verlag, Bonn 1996 ISBN 3-7637-6112-8 (in German) p. 342
  46. 1 2 Originally measured as 690 PS
  47. ↑ Jane 1946, pp. 170–171.

Bibliography

  • Afonso, Aniceto and Carlos de Matos Gomes. Guerra Colonial (in Portuguese). Lisbon: Editorial Notícias, 2000. ISBN 972-46-1192-2.
  • Blewett, R. Survivors (Aviation Classics). Coulsdon, UK: Gatwick Aviation Society, 2007. ISBN 978-0-9530413-4-3
  • Craven, Wesley Frank, and Cate, James Lea, editors (1949). The Army Air Forces In World War II, Volume Two - Europe: Torch to Pointblank: August 1942-December 1943 Air Force Historical Studies Office, ISBN 0-912799-03-X.
  • Green, William. Warplanes of the Third Reich. New York: Doubleday, 1972. ISBN 0-385-05782-2.
  • Grey, Charles Gibson and Leonard Bridgman. Jane's All the World's Aircraft 1938. London: Newton Abott, David & Charles, 1972. ISBN 0-7153-5734-4.
  • Hoffmann, Peter. Hitler's Personal Security: Protecting The Fuhrer 1921-1945. New York: Da Capo Press, 2000. ISBN 978-0-30680-947-7.
  • Jackson, A.J.British Civil Aircraft 1919-59, Vol. 2. London: Putnam, 1960.
  • Jane, Fred T. "The Junkers Ju 52/3m." Jane’s Fighting Aircraft of World War II. London: Studio, 1946. ISBN 1-85170-493-0.
  • Morzik, GeneralMajor Fritz "German Air Force Air Lift Operations", USAF Historical Division, 1961
  • Smith, J. R. and Antony L. Kay. German Aircraft of the Second World War. London: Putnam, 1972. ISBN 0-85177-836-4.
  • Weal, John. Jagdgeschwader 27 'Afrika'. Oxford, UK: Osprey, 2003. ISBN 1-84176-538-4.

Further reading

External links

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