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Armstrong Whitworth Atlas, Ajax and A.W.17 Aries

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

Produced Variants

Atlas Mk.I Two seat biplane army co-operation aircraft. One 400 h.p. Armstrong Siddeley Jaguar IVC powerplant. Initially a private
  venture, featuring a wooden-structured wing, production aircraft had a revised metal wing with increased sweepback and
  wingtip slats. Produced against Specifications 30/24, 33/26, 24/27 and 11/28 as indicated.
Atlas TM Advanced trainer version of Mk.I, to meet the requirements of Specification 12/28. See note 5.
Atlas Mk.II Redesigned structure. One 535 h.p. Armstrong Siddeley Panther powerplant.
EAF Atlas Lower cost derivative produced by the Phaliron Aircraft Factory (Ergostasio Aeroplanwn Falhrou) for the Royal Hellenic Air
  Force.
Ajax Two seat general purpose day bomber or fighter derivative of the Atlas, to Specification 34/26, with the original Atlas wing.
  structure and geometry. One 385 h.p. Armstrong Siddeley Jaguar II powerplant.
A.W.17 Aries Improved Atlas Mk.I to Specification 20/25, featuring Warren-truss wing bracing and quick detachable panels for ease of
  maintenance. One 460 h.p. Armstrong Siddeley Jaguar IV (later Jaguar VIC) powerplant.


Projected Variants

A.W.36 Two seat biplane army co-operation aircraft based on the Atlas II, with new body fairing and wheel spats. One Armstrong 
  Siddeley Tiger powerplant. See note 6.


Production List Page Top




Atlas

Production List Top Page Top 

Serial Range /
Initial Registration
C/n
Type
Batch Qty
Conv.
Canc'd
Notes
 4 civil aircraft built by Armstrong Whitworth, Whitley.
 G-EBLK  139  Prototype  1      Retained by Armstrong Whitworth. First flew May 1925.
 G-ABDY  140  TM  1      See note 1.
 G-EBLM  141  Mk.I  1      Registered June 1925. Armstrong Whitworth demonstrator. See note 2.
 G-EBNI  142    1      Registered January 1926. Armstrong Whitworth demonstrator. See note 2.
 1 aircraft ordered to contract 735668/27 to meet Specification 30/24.
 J8675  278  Mk.I    (1)    G-EBLK rebuilt wth metal wings in 1927.
 37 aircraft ordered to contract 750052/27 dated June 1927, to meet Specification 33/26.
 J8777 - J8787  248-258  Mk.I  11      
 J8788 - J8789  297-298    2      Replacements for c/n 259 and 260, diverted to Canada.
 J8790 - J8801  261-272    12  (1)    J8792 (c/n 363) converted to TM prototype to Specification 12/28.
             J8798 (c/n 269) to RCAF as 406, Nov 1934. J8799 tested as a seaplane.
 J9039 - J9050  285-296    12      
 4 aircraft ordered to contract 783694/27 to meet Specification 24/27 for the RCAF. Delivered December 1927 and July 1928.
 16 - 17  260, 259  Mk.I  2      Registrations G-CYZB, 'ZA reserved, only used briefly. Renumbered 401, 402
 18 - 19  279, 280    2      Renumbered 403, 404. 19 (c/n 280) fitted with floats for trials.
 1 civil aircraft built by Armstrong Whitworth, Whitley, in 1928.
 G-EBYF  346  Mk.I  1  (1)    Retained by Armstrong Whitworth. See note 3.
 43 aircraft ordered to contract 837620/28 to meet Specification 12/28.
 J9435 - J9447  347-359  TM  13      
 J9448 - J9477  365-394    30      
 49 aircraft ordered to contract 837619/28 to meet Specification 11/28.
 J9516 - J9540  401-425  Mk.I  25      J9522 (c/n 407) to RCAF as 407, November 1934.
 J9541 - J9564  429-452    24      
 2 aircraft ordered from Armstrong Whitworth, Whitley for the Royal Hellenic Air Force (Elliniki Vassiliki Aeroporia). Delivered in July 1929.
 ???  360-361  Mk.I  2      
 2 aircraft ordered to contract 783694/27 to meet Specification 24/27 for the RCAF. Delivered between August and October 1929. See note 4.
 111  426  TM  1      
 112  427  Mk.I  1      Renumbered 405
 1 aircraft ordered from Armstrong Whitworth, Whitley and delivered to Japan.
 ???  453  Mk.I  1      
 89 aircraft ordered to contract 933799/29, dated August 1929, to meet Specification 11/28. Delivered between June and October 1930.
 J9951 - J9999  461-509  Mk.I  49      J9951 to Egypt in 1939. J9998 tested with stainless steel floats and 560 h.p. A.S. Panther VI powerplant.
 K1000  510    1      
 K1001 - K1037  537 - 573    37      
 K1113 - K1114  574 - 575    2      
 26 aircraft ordered to contract 972069/29 to meet Specification 12/28. Delivered between April and June 1930.
 K1172 - K1197  511-536  TM  26      
 53 aircraft ordered to contract 34471/30 to meet Specification 12/28. Delivered between August 1930 and January 1931.
 K1454 - K1481  576-603  TM  28      
 K1482 - K1506  616-640    25      
 96 aircraft ordered to contract 35536/30 to meet Specification 11/28. Delivered between November 1930 and August 1931.
 K1507 - K1516  606-615  Mk.I  10      
 K1517 - K1526  641-650    10      
 K1527 - K1566  656-695    40      K1529, K1531, K1540, K1545, K1550, K1556, K1561 & K1566 to RCAF as 408 - 415 in November 1934.
 K1567 - K1586  700-719    20      
 K1587 - K1602  723-728    16      
 3 civil aircraft built by Armstrong Whitworth, Whitley, in 1931.
 G-ABHV, G-ABHW, G-ABHX  653-655  TM  3      To the Armstrong Whitworth flying School, Hamble (later Air Service Training)
 3 civil aircraft built by Armstrong Whitworth, Whitley.
 G-ABIV, G-ABKE  696, 697  Mk.II  2      Retained by Armstrong Whitworth. See note 6.
 1 civil aircraft built by Armstrong Whitworth, Whitley, in 1931.
 G-ABOO  739  TM  1      To the Armstrong Whitworth flying School, Hamble (later Air Service Training)
 53 aircraft ordered to contract 103834/31 to meet Specification 8/31. Delivered September 1931 and July 1932.
 K2514 - K2533  745-764  TM  20      
 K2534 - K2543  774-783    10      
 K2544 - K2553  787-796    10      
 K2554 - K2566  805-817    13      
 12 aircraft ordered from Armstrong Whitworth, Whitley, by the Kwangsi Provincial Air Force, China. Delivered between June and August 1932.
 ???  768-773  Mk.II  6      Alloted ferry registrations  G-ABRU - 'RZ respectively.
 ???  799-804    6      Alloted Hong Kong ferry registrations  VR-HAV (7) , 'HBA, 'HBE, 'HAX, 'HBD, 'HBG respectively
 2 aircraft ordered from Armstrong Whitworth, Whitley, by the Kwangsi Provincial Air Force, China. Delivered in July 1934.
 ???  821-822  Mk.II  2      Alloted Hong Kong ferry registrations  VR-HCQ, 'CR.
 1 civil aircraft rebuilt by Armstrong Whitworth, Whitley, in November 1932.
 G-ACAI  830  Mk.II    (1)    G-EBYF brought up to full Mk.II standard. Retained by Armstrong Whitworth. See note 6.
 
Total Production
480
(4)
 

  




EAF Atlas

Production List Top Page Top 

Greek Built Aircraft, All Delivered As Military
Serial Range
C/n
Type
Batch Qty
Conv.
Canc'd
Notes
 10 aircraft ordered from Phaliron Aircraft Factory (Ergostasio Aeroplanwn Falhrou) for the Royal Hellenic Air Force (Elliniki Vassiliki Aeroporia). Delivered in 1928.
     Mk.I  10       Serials included M102, M104
 
Total Production
10
 
 
 



Ajax

Production List Top Page Top 

Serial Range
C/n
Batch Qty
Conv.
Canc'd
Notes
 2 aircraft ordered from Armstrong Whitworth, Whitley, to contract 743656/27.
 J8802 - J8803  273-274  2      
 1 aircraft ordered from Armstrong Whitworth, Whitley, to contract 807413/27. First flew January 1928.
 J9128  141    (1)    Originally flown as Atlas G-EBLM (see note 2). Rebuilt as J9128.
 1 aircraft ordered from Armstrong Whitworth, Whitley, to contract 821309/28. First flew (May?) 1928
 J9129  142    (1)    Originally flown as Atlas G-EBNI (see note 2). Rebuilt as J9129.
 
Total Production
2
 (2)
 
 



A.W.17 Aries

Production List Top Page Top 

Serial Range
C/n
Batch Qty
Conv.
Canc'd
Notes
 1 aircraft ordered from Armstrong Whitworth, Whitley, to contract 725892/26. First flew March 1930.
 J9037  454  1      
 
Total Production
1
 
 
 



Production Summary

Page Top 

All Aircraft By Type
Type
Built New
Conv.
Canc'd
Total
 Prototype
1
 
 
1
 Atlas Mk.I
242
(1)
 
243
 Atlas TM
181
(1)
 
182
 Atlas Mk.I/II Hybrid (3)
 
(1)
 
1
 Atlas Mk.II
16
(1)
 
17
 EAF Atlas Mk.I
10
 
 
10
 Ajax
2
(2)
 
4
 A.W.17 Aries
1
 
 
1
 
453
(6)
0
 

Notes
  1. G-ABDY appeared during 1930. Per Ray Williams [3], records indicate that this was c/n 140, which was intended to be a structural test specimen. Possibly these tests were either not carried out, or at least not to destruction, and the airframe was completed as a dual control trainer for use by the company. G-ABDY has also been identified by some sources (including G-INFO) as being c/n 536, but this applied to K1197 and there is no indication that K1197 ever carried civil markings.
     
  2. It is unclear whether G-EBLM, 'NI (c/n's 141 & 1420 were Atlas or Ajax. Tapper refers to them as the first two Ajax, but G-INFO gives them as Atlas. Williams [3] also refers to G-EBNI as an Atlas, but makes no mention of G-EBLM.
     
  3. Rebuilt in 1931 with its original Mk.I fuselage, but featuring the wings and A.S. Panther powerplant of the Mk.II.
     
  4. Walker [5] has 111 as Mk.I, 112 as TM.
     
  5. The trainer is variously refered to in publications as Atlas TM or Atlas DC. The RAF Delivery Register refers to this variant as the 'Atlas Dual' or 'Atlas TM'.
     
  6. G-ABIV (c/n 696) and G-ACAI (c/n 830) were both modified to virtually A.W.36 standard during the second half of 1934, with an Armstrong Siddeley Tiger IV powerplant in a long chord cowling.
     
  7. Returned to Hong Kong for repair in April 1933 and re-registered VR-HCD; returned to China October 1933.

Production References
  1. Armstrong Whitworth Aircraft Since 1913, Oliver Tapper (Putnam., 1973)
  2. Air Britain RAF Aircraft Register Series (Various Volumes)
  3. Aeroplane Monthly Magazine, Sep - Oct, 1989
  4. https://www.haf.gr/en/history/historical-aircraft/armstrong-whitworth-atlas/
  5. Canadian Military Aircraft Serial Numbers at http://www.rwrwalker.ca/

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Revised at Version 1.4.0
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V1.4.1 Created by Roger Moss. Last updated November 2019