Avro 504 (Foreign Derivatives)

For a description of the format and data included in Production Tables, see here.

For description of Avro 504 (Foreign Derivatives) see Production Summary

Japanese Production

Yokosuka K2Y Delivered As Military

Serial Range	C/n	Batch Qty	Conv.	Canc'd	Notes
6 aircraft built by Yokosuka for the Japanese Naval Air Service between 1929 and 1930.
		6
66 aircraft built by Kawanishi for the Japanese Naval Air Service between 1930 and 1932.
		66
114 aircraft built by Watanabe for the Japanese Naval Air Service between 1931 and 1937.
		114
45 aircraft built by Mitsubishi for the Japanese Naval Air Service in 1934
		45
126 aircraft built by Nippi for the Japanese Naval Air Service between 1939 and 1940.
		126
3 aircraft built by Showa for the Japanese Naval Air Service between 1938 and 1939.
		3
	Total Production	360

Yokosuka K2Y For Export Delivered As Military

Serial Range	C/n	Qty	Notes
Manchuria	An unknown number of aircraft were exported to the Air Corps of the Manchurian National Military Air Force.
		??
	Total	(??)

Yokosuka K2Y Converted to Civil

C/n	Initial Registration	Notes
2	J-BADQ	Watanabe built. To Yamanashi Veteran Soldiers Aero Res.Soc.
21	J-BANP	Kawanishi built. To Nihon Student Air League Marine Section.
17	J-BAPD	Kawanishi built. To Nihon Student Air League Marine Section.
13	J-BAPH	Kawanishi built. To Nihon Student Air League.
25	J-BAPP	Kawanishi built. To Student Marine Flying Club.
	J-BAPY	To Navy Reserve wing.
	J-BAPZ	To Navy Reserve wing.
9	J-BAQP	Kawanishi built. To Nihon Student Air League Marine Section.
11	J-BARP	Kawanishi built. To Nihon Student Air League Marine Section.
	J-BBPU	To Navy Reserve Corp.
	J-BCDV	To Hokkai Times.
	J-BCPB	To Navy Reserve Corp., Sapporo branch.
	J-BCPH	To Navy Reserve Corp., Sapporo branch.
	J-BCPR	To Navy Reserve Corp., Sapporo branch.
	J-BCPS	To Navy Reserve Corp., Sapporo branch.
	J-BCPU	To Navy Reserve Corp., Sapporo branch.
	J-BCPV	To Navy Reserve Corp., Sapporo branch.
16	J-BFUG	Watanabe built. To M. lnoue.
6	J-BIAL	Yokosuka built. To F. Mihara (Nagoya Flying School).
Total Conversions (19)

Russian (Soviet) Production

Polikarpov U-1 Delivered As Military (Locally referred to as 'Avrushka') See Note 2

Serial Range	C/n	Batch Qty	Conv.	Canc'd	Notes
223 aircraft ordered from GAZ No.5 in Moscow (see note 5) for the RKKVF (see note 6). Delivered from August 1923 to 1925.
	165-371	207
				16
457 aircraft ordered from GAZ No.3 in Leningrad (see note 5) for the RKKVF (see note 6). Delivered from August 1923 to 1925.
	1798, 1799	2
	1803-1833	31
	1836-1848	13
	1912-1981	70
	1992-2001	10
	2012-2089	78
	2151-2236	86
	2312-2390	79
		88			Probably from c/n range 2496-2670. See note 3.
	Total Production	664		16

Polikarpov MU-1 Delivered As Military

Serial Range	C/n	Batch Qty	Conv.	Canc'd	Notes
73 aircraft ordered from GAZ No. 3 in Leningrad (see note 5) for the RKKVF (see note 6). Delivered from August 1923 to 1925.
	1794-1797	4
	1800-1805	6
	1834, 1835	2
	2002-2011	10
	2237-2256	20
	2391-2406	16
		15			See note 3.
	Total Production	73

Polikarpov U-1 For Export Delivered As Military

Serial Range	C/n	Qty	Notes
Iran	3 aircraft exported to Iran in 1923, 5 aircraft exported to Iran in 1928, but see note 4.
		9
China (Kuomintang)	An unknown number exported to the Nationalist (Kuomintang - KMT) central air force, Nanking, 1925-6.
		??
	Total	(??)

Polikarpov U-1 - Known Russian Civil Registered

C/n	Initial Registration	Notes
339	CCCP-110	Originally registered ДЛ-16 (DL-16) in August 1928, changed to CCCP-110 in 1929. To Dobrolet - Российское общество Добровольного воздушного флота - Добролёт (The Russian Society of Voluntary Air Fleet)
	CCCP-195	To Dobrolet - Российское общество Добровольного воздушного флота - Добролёт (The Russian Society of Voluntary Air Fleet)
353	CCCP-312	To Osoaviakhim School, Moscow.
2161	CCCP-313	To Osoaviakhim School, Moscow.
Total Conversions (4)

Known serials: 415, 451, 457, 463, 469, 470, 510, 601.
In 1923, the Polikarpov Department of Landplane Construction (OSS) was established at GAZ-l, its first design, the U-1, being produced the following year. The U-l was a reworked copy of a Avro 504K that had been forced to land in northern Russia, following which it was taken to GAZ-l where it was dismantled and analysed for Soviet production by Sergey llyushin.[3]
Unknown c/ns to give the final totals as quoted by Andersson [2].
Andersson [4] gives 2 or three delivered in 1923, 5 in 1928 but a total of 9 overall.
State Aircraft Plant (Gossudarstvenny awiazionny Zavod - Государственный авиационный завод), abbreviated to GAZ.
Workers and Peasants Red Military Air Fleet (Raboche-Krest'yanskaya Krasnayy Vozdushnyy Flot - Рабоче-Крестьянской Красной Армии - Воздушный Флот), abbreviated to RKKVF.

Japanese Aircraft 1910-1941, Robert Mikesh and Shorzoe Abe (Putnam, 1990)
Soviet Aircraft and Aviation 1917-1941, Lennart Andersson (Putnam, 1994)
Soviet Aircraft Industry, Peter G Dancey (Fonthill Media, 2015)
Civil and Military Aviation in Iran 1924-1949, Part 1, Lennart Andersson at http://www.artiklar.z-bok.se/iran-1.html
Insignia No.11 (Blue Rider Publishing)
Japanese Civil Register 1919-1945, Air Britain Archive 2001/1 through 2003/3 (Air-Britain Publications)
http://www.airhistory.org.uk/gy/index.html

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