RAF Specifications for Aircraft from 1920 to 1949

Stargazer2006 said:
- For 44/23 I also have the Air Navigation & Engineering Co. ANEC.1 and something called the Handasyde-Raynham, no designation...
Click to expand...

Specification 44/23 appears to be for the de Havilland D.H.53 Humming Bird only, but at the beginning of 1925 the following aircraft (built under ministry contracts) competed with the Humming Bird in an assessment at Martlesham Heath. Avro Type 560, Parnall Pixie II, Handasyde-Raynham and ANEC I.

Cheers Bailey.
 
Stargazer2006 said:
- For 19/23 I have the Siskin IIIA, not the Siskin III. Could it be it applied to both?
Click to expand...

This specification identified the design requirements for the Siskin III production standard, as developed against specification 14/22. The fifth production aircraft was set aside to be converted into the Siskin IIIA.

Cheers Bailey.
 
Stargazer2006 said:
- I've also got the Blackburn R.B.1B Iris III and the Short Singapore for 13/24.
Click to expand...

I can only find the Short S.5 Singapore I listed for 13/24, with Fairey and Saunders carrying out design studies. The Blackburn R.B.1 Iris and R.B.1A Iris II both appear on 14/24 and the R.B.IB Iris III on R.31/27.

Cheers Bailey.
 
Bailey said:
Stargazer2006 said:
- I've also got the Blackburn R.B.1B Iris III and the Short Singapore for 13/24.
Click to expand...

I can only find the Short S.5 Singapore I listed for 13/24, with Fairey and Saunders carrying out design studies. The Blackburn R.B.1 Iris and R.B.1A Iris II both appear on 14/24 and the R.B.IB Iris III on R.31/27.

Cheers Bailey.
Click to expand...

My bad. The Iris I and II were indeed 14/24 in my list!
 
For 1926;

1/26 DH-60 Moth,Westland
2/26 Vickers-122 Virginia VII
3/26 -----?
4/26 Avro-576 C.9 Autogiro
5/26 Gloster Gloster IV
6/26 Supermarine S.5
7/26 Shorts Bristow Crusader
8/26 Bristol-96 F.B Fighter
F9/26 AW.XIV Starling,Blackburn F.1 Turcock,Boulton & Paul P.33 Partridge,
Bristol-105 Day & Night Fighter,Bristol-105A Bulldog,Gloster Goldfinch,
Hawker Hawfinch,Bristol-102A Day & Night Fighter,Avro-556 single-
seat fighter,Avro-566 Avenger I,Gloster SS.18 Day & Night Fighter
AW.XVI,Vickers-141 Scout and Westland Wizard
10/26 Vickers-111 Virginia MK.VI
11/26 Avro-575 C.8L Gyroplane
12/26 Avro-604 Antelope,Fairey Fox IIM,Hawker Hart
13/26 Parnall DH.9A
14/26 Avro-606 & Avro-607 Seaplanes,Shorts S.8 Calcutta
15/26 Avro-504K
16/26 Avro-555A Bison MK.II
17/26 -----?
18/26 HP.24 Hyderabad
19/26 Blackburn T.2 Dart
20/26 Hawker Woodcock MK.II
N21/26 AW.XVI,Bristol-102A & -102B Fighter,Blackburn F.1 Turcock,Fairey
Firefly II & IIIM,Boulton & Paul P.34 Ship Fighter,Fairey Flycatcher II,
Gloster Gnatsnapper,Hawker Hoopoe,Vickers-141 Scout,Parnall Pipit,
Vickers-177 Improved Scout and Vickers-123
O22/26 Blackburn 2F.1 Nautilus,Fairey Fleetwing,Shorts S.10 Gurnard,
HP.37,Avro-595 Fighter and Hawker Sea/Naval Hart
23/26 Westland Pterodacty MK.IA
24/26 AW Siskin IIIA
25/26 Supermarine Southampton MK.II
26/26 -----?
27/26 -----?
28/26 Supermarine Sparrow II,RAE Sirocco,Hawker Cygnet II,Halton HAC.1,
Blackburn Bluebird I,Bristol-91B,Avro-581 Avian,Hawker Cygnet I,
Cranwell C.L.A.4A,Parnall Pixie III,DH-60 Moth,Shorts S.4 Satellite,
ANEC.VI,Avro-562 Avis and Westland Woodpigeon
29/26 Boulton & Paul ?
30/26 Bristol-96
31/26 Shorts Cierva C.13 & C.14
32/26 Fairey Flycatcher II
33/26 DH-56,AW Atlas
34/26 -----?
35/26 Hawker Horsley I/II
36/26 Fairey IIIF
37/26 Fairey IIIF,Vickers-146 Vivid
 
Hi Hesham,

Filling in your gaps.

3/26 Experimental Gyroplane - Avro Type 574 / Cierva C.6C.
17/26 Blackburn R.1A Blackburn production.
26/26 Three engine European Civil Transport - Cancelled.
27/26 Single seat Land Fighter - Cancelled.
34/26 Two seat day bomber - Armstrong-Whitworth Ajax.

Cheers Bailey.
 
A big surprise about the RAF Specifications,

from NASA site,a report for light and commercial aircraft of
1920,1923 and 1924,and that is mean the Spec. 2/24 and
its contenders were; Bristol-91 Brownie I & II,Cranwell CLA.2,Beardmore WB.XXIV Wee Bee,
Westland Wood Pigeon,Westland Widgeon,ANEC.II,Shorts Satellite,Supermarine Sparrow,
Avro-562 Avis,Blackburn Blue Bird,Hawker Cygnet I& Cygnet II,Vickers-98 Vagabond,Parnall
Pixie III & IIIa and Bristol F.2B Fighter.

For the 1920 competition,it was a mystery and I don't know what was
it ?.

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930086647_1993086647.pdf
 

Attachments

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Hi Hesham, if you can wait a few days I will have some more info on these light aircraft competions.

Cheers Bailey.
 
The Air Ministry Competition for Commercial Aircraft, held in 1920 at Martlesham Heath and Felixstowe, was an attempt to stimulate the growth of Civil Commercial Aviation after the end of the First World War. Rules for the competition were issued, but no official specifications were raised. The competition was divided into three categories:-

Large Aircraft (Landplanes). Entrants as follows:-

Aircraft Manufacturing Co. Ltd. - D.H.18, G-EARI, c/n 1. - Did not take part.
Central Aircraft Co. Ltd. - Centaur IIA, G-EAPC, c/n 102.
Handley-Page Ltd. - W.8, G-EAPJ, c/n W.8-1.
Vickers Ltd. - Vimy Commercial, G-EAUL, c/n 40.

Small Aircraft (Landplanes). Entrants as follows:-

Austin Motor Co. Ltd. - Kestrel, G-EATR, c/n unknown.
A.V.Roe & Co. Ltd. - Type 547A Triplane, G-EAUJ, c/n 547A/1.
Bristol Aeroplane Co. Ltd. - Type 36 Seely Puma, G-EAVE, c/n 5370.
Sopwith Aviation Co. Ltd. - Antelope, G-EASS, c/n w/o 3398.
Westland Aircraft Works. - Limousine III, G-EARV, c/n W.A.C.8.
William Beardmore & Co. Ltd. - W.B.X, G-EAQJ, c/n 5442. - Withdrawn after one flight.

Seaplanes/Amphibians. Entrants as follows:-

Fairey Aviation Co. Ltd. - Fairey III, G-EALQ, c/n F.128.
S.E.Saunders Ltd. - Kittiwake, G-EAUD, c/n 101. - Did not arrive in time.
Supermarine Aviation Works Ltd. - Amphibian Mk.I, G-EAVE, c/n 1152.
Vickers Ltd. - Viking Mk.III, G-EAUL, c/n unknown.
William Beardmore & Co. Ltd.- W.B.IX, G-EAQI, c/n unknown. - Not completed.

Regards Bailey.

P.s More on the other competitions to follow.
 
Thank you my dear Bailey,

and that is meaning the 7/20 Spec. was divided into three Categories ?.

For 1927;

1/27 -----?
2/27 Hawker Horsley I & II
3/27 Avro-504N
R4/27 Avro-606 & Avro-607 Seaplanes,Saunders A.7 Sevren,Supermarine
Air Yacht
R5/27 Blackburn CB.2 Nile,Blackburn RB.2 Sydney
R6/27 Supermarine-185 Southampton X
7/27 DH-80A Puss Moth
8/27 Vickers-122 Virginia VII
9/27 -----?
F10/27 Gloster SS.19A Multi-Gun Fighter,Saunders A.10
11/27 Fairey Fox IA
12/27 Fairey IIIF
13/27 Vickers-138 Victoria MK.III
14/27 AW Siskin IIIA
15/27 HP.24 Hyderabad
16/27 Supermarine Southampton MK.II
17/27 Hawker Horsley II
M18/27 Blackburn T.5 Ripon I
B19/27 Fairey Hendon I,HP-38 Heyford,Avro-613 Night Bomber,Bristol-108,
Hawker,Vickers-150,Vickers-195 & -225 Vanox
F20/27 Bristol-107 Bullpup,DH-77,Fairey Firefly IIIM,Gloster SS.19B
Gauntlet I,Gloster SS.18 Day/Nighter Fighter,Hawker Hornet,
Saunder A.10,Vickers-151 & 171 Jockey,Westland Wizard
21/27 Shorts S.11 Valetta
B22/27 DH-72 Night Bomber,Boulton & Paul P.32
23/27 Vickers-144 Vimy
24/27 AW Atlas
25/27 Boulton & Paul P.29 Sidestrand II
26/27 Gloster Goral,AW Atlas (not sure),Bristol-93A Beaver,DH-9A Stag
Fairey III (not sure),Bristol-104 General Service Landplane,Vickers-
131 Valiant,Vickers-146 Vivid,Westland Wapiti
27/27 Fairey IIIF
28/27 HP-39 Work on Slots
F29/27 Vickers-161 COW Gun Fighter,Bristol-112,Boulton & Paul P.35,
Fairey,Westland
30/27 HP-33 Hinaidi
31/27 Blackburn RB.1B Iris MK.III
32/27 Shorts S.12 Singapore MK.II
33/27 Fairey Postal LR Monoplane
 
and that is meaning the 7/20 Spec. was divided into three Categories ?.
Click to expand...

Hi Hesham, I'm confused, why do you think specification 7/20 was divided into three categories. Do you have a specific source that quotes this scenario? I'd be very interested, because it goes against all the documentation I have. ???

As I mentioned earlier in the thread, this is the info I have.

Cheers Bailey.


None of the various references I have indicate this. The competition was for commercial aircraft but, 07/20 was specifically for a deck landing amphibian fleet spotter, two very different requirements. After the competition the Air Ministry bought the winning Vickers Viking III for the Air Counsel and ordered from Supermarine a development of their second place Commercial Amphibian. This resulted in the Supermarine Seal II, which in turn became the Supermarine Seagull I to 07/20 and with further development into the Seagull II against spec 21/21.
[/quote]
 
Hi Hesham, filling in your two 1927 gaps.

1/27 Reconditioning of RAF aircraft.
R.9/27 Twin-Engined Monoplane Seaplane. - Cancelled.

Cheers Bailey.
 
Some comments, corrections and additions from my lists:

4/26 -> also Parnall C.10
8/26 -> Bristol 96 F.2B Fighter (NOT F.B)
9/26 -> Bristol 105A Bulldog II; also Bristol 107? (don't have Avro 566; any proof of its submittal?)
12/26 -> also D.H.65 Hound
13/26 -> also Westland D.H.9A
17/26 -> Blackburn R.1A Blackburn II
21/26 -> also Sea Hornet (Norn) (was the Fairey Firefly II submitted? don't have it)
36/26 -> Fairey IIIF Mk IIIM
M.18/27 -> Blackburn T.5A Ripon
B.19/27 -> also the Vickers 163 ?
F.20/27 -> I have the Fairey Firefly II (not IIIM); also: A.W. Siskin IIIA, Bristol 105A, Hawker F.20/27 (submission different from the Hornet)
26/27 -> Fairey GS Landplane (NOT Fairey III), Bristol 106 (NOT 104)
27/27 -> Fairey IIIF Mk IVM
30/27 -> also H.P. Clive I
 
For 1928 :

1/28 Trainer Aircraft: Armstrong Whitworth Siskin IIIDC
2/28 Isacco Helicogyre: Isacco Helicogyre N°3
3/28 Torpedo Bomber: Blackburn T.5A Ripon II
4/28 Single Seat Fighter: Flycatcher I (production)
5/28 Torpedo Ship-Plane (replaced by M.1/30): Blackburn, Fairey, Hawker (projects), H.P.41
6/28 Large Boat Seaplane: Short S.14 Sarafand, Vickers 179
7/28 Dual Control Conversion: Armstrong Whitworth Siskin III(DC)
8/28 Monoplane Seaplane: Supermarine S.6 Experimental
9/28 Biplane Seaplane: Gloster V, Gloster VI
10/28 Reconnaissance Flying Boat: Supermarine Southampton II (production)
11/28 Army Co-operation Aircraft: Armstrong Whitworth Atlas I (production)
12/28 Dual Control Trainer Aircraft: Armstrong Whitworth Atlas DC (production)
13/28 Heavy Night Bomber: Vickers 139 Virginia X (D&P)
14/28 Heavy Night Bomber: H.P.33 Hinaidi I (production)
15/28 Monoplane for Tests (Aerofoil Tests): Parnall Parasol
16/28 Bomber Transport: Blackburn TC.1, Boulton-Paul P.40, Bristol 115 and 116, Fairey, Gloster TC.33, Handley Page H.P.43, Vickers 163? / 212
17/28 Day and Night Fighter: Bristol 105A Bulldog II
18/28 General Purpose Civil Aircraft (see 6/29): Blackburn CA.15B
19/28 Civil Touring Aircraft: NONE
20/28 Civil Transport: Fairey, Supermarine 179 Giant
21/28 Mail Carrying Aircraft: Avro 627 (and 628,629?), Blackburn Mailplane, Boulton-Paul P.64, Fairey, Gloster, Handley-Page H.P.47, Supermarine, Westland
22/28 Passenger Aircraft:NONE
23.28 Commercial Amphibian: Fairey
24/28 General Purpose Seaplane For New Zealand: Fairey IIIF Mk IIIM
25/28 General Purpose Aircraft: Fairey IIIF Mk IVM (prod.)
26/28 Short Take Off Civil Aircraft: Boulton-Paul P.55, Fairey
 
Stargazer2006 said:
9/26 -> Bristol 105A Bulldog II; also Bristol 107? (don't have Avro 566; any proof of its submittal?)
Click to expand...

It's not clear cut, there appears to be some aircraft which were "unofficially" assessed against the the 9/26 requirements, the Avro Type 566 Avenger Mk.I being one of them. The aircraft (G-EBND) a private venture prototype was sent to Martlesham Heath for 3 months in October 1926, to be tested at the request of the makers, but was not entered in the 9/26 competive trials in 1927/28.

Source "British Flight Testing - Martlesham Heath 1920 - 1939. Tim Mason, Putnam.

Also A.J.Jackson makes no reference to specification 9/26, in his chapter on the Type 566/567 in Avro Aircraft Since 1908.

Cheers Bailey.
 
Thank you my dears Bailey and Stargazer,

and from the book,British Specifications File;

M18/27 was for Blackburn T.5 and not T.5A
Vickers-163 was for C16/28 and not B19/27
F20/27 Fairey Firefly II & IIIA and Hawker Hornet
26/27 was Bristol-106 not -104

And what was Fairey GS Landplane ?,also what is your source
about D.H.65 Hound,Westland D.H.9A and H.P. Clive I ?.
 
hesham said:
and from the book,British Specifications File; M18/27 was for Blackburn T.5 and not T.5A
Click to expand...

Hi Hesham, just a caution when using information from this book: The appendix at the back of the book listing the "Aircraft Type/Specification Cross Reference 1920-1949" differs in some cases to the individual yearly listings and the main body of the text for each specification.
In this case the cross reference quotes Blackburn T.5 Ripon I, while the yearly listing and the main text clearly quote Blackburn T.5A Ripon. I've been caught out by this inconsistency as well. :-[

Cheers Bailey.
 
1929:

1/29 General Purpose Aircraft > Wapiti IIA (production)
2/29 Torpedo Bomber > Blackburn T.5B Ripon IIA (production)
3/29 Troop Transport Aircraft > Handley Page H.P.35 Clive II
4/29 Training Aircraft > De Havilland D.H.60G Gypsy Moth
5/29 Elementary Trainer > Hawker Tomtit I (production)
6/29 Civil General Purpose Landplane > Blackburn CA.15C Biplane/Monoplane, Boulton Paul P.42 (project), Fairey (project), Westland Limousine V (project)
7/29 Troop Carrier > Vickers 169 Victoria V (production)
8/29 Single-Seat Fighter > Armstrong Whitworth Siskin IIIA (production)
9/29 Day Bomber Hawker Hart (dvpt. & production)
10/29 Medium Day Bomber > Boulton Paul P.29 Sidestrand (dvpt. & production)
11/29 Day and Night Fighter > Bristol 105 Bulldog IIA (production)
12/29 Spotter Reconnaissance Aircraft > Fairey IIIF Mk.IIIM (production)
13/29 Heavy Night Bomber > Handley Page H.P.36 Hinaidi II (production)
14/29 Army Co-operation Aircraft > CANCELLED
15/29 General Purpose Aircraft > CANCELLED
16/29 Tailless Aircraft > Westland Pterodactyl IV
17/29 Torpedo Bomber > Hawker Horsley II/III (dvpt. & production)
18/29 General Reconnaissance Flying Boat > Short S.8/8 Rangoon (dvpt. & production)
 
Stargazer2006 said:
21/26 -> also Sea Hornet (Norn) (was the Fairey Firefly II submitted? don't have it)
Click to expand...

As I read it, another situation similar to the Avro Avenger.

From The British Fighter Since 1912 - Francis K. Mason - Putnam
"The Firefly Mk II.....was authorised to undergo evaluation at Martlesham in May (1929), trials that inevitably developed into an unofficial competition with Sydney Camm's Hornet prototype"

From The British Specification File
"The Fairey Firefly is shown in the Air Ministry specification record as a contender to specification 21/26. In the advent the Firefly MkII appeared as a contender in the specification F.20/27 competition"

You pays your money and takes your choice......

Regards Bailey.
 
For 1930;

M1/30E Torpedo Bomber; Avro,Fairey,Blackburn B-3,HP-46,Supermarine,
Vickers-207,Vickers-252 (not sure)
2/30 Dual Control Conversion; Blackburn cancelled
3/30 Elementary Trainer; Avro-621 Tutor
4/30 Metal Hull Seaplane; Saro A.14 Metal Hull
5/30 Civil Mail Carrier; Vickers-173 Vellore MK.II
6/30P Ab Initio Trainer; Avro-504N
F7/30E Single-seat Day/Night Fighter; AW.21,AW.35 Scimitar,Bristol-105
MK.I VA,Bristol-122,Bristol-133,Bristol-127,Bristol-
128,Bristol-129,Boulton & Paul P-67,Blackburn F.3,
Gloster SS.37 Gladiator,Hawker PV.3,Hawker Fury,
Supermarine-224,Vickers-196 Jockey,Westland PV.4
8/30 De Havilland DH-80A Puss Moth
S9/30E Torpedo-Spotter-Recce; Avro-632,Boulton & Paul P-58,Fairey TSR.I,
Gloster FS.36,Hawker,Vickers-218
R10/30E Depot Flying Boat; Fairey,Shorts S.14 Sarafand
11/30 Civil Transport (India); Avro-642/4m
12/30 Army Co-operation (India); Westland Wapiti
13/30D Interceptor Fighter; Hawker Fury I
14/30 Long Range Monoplane; Fairey LRM II
F15/30 Two-Seat Fighter; Hawker Demon
16/30D Fleet Single-Seat Fighter; Hawker Nimrod
17/30 Reconditioning of Aircraft
18/30P general Purpose Day Bomber; Fairey Gordon MK.I
19/30D Two-Seat Fleet Fighter; Hawker Osprey MK.I
20/30P Hart Production; Hawker Hart Bomber
 
Hi Hesham, some comments on 1930 Specifications.

M.1/30 Some disagreement with other references here. Will try and provide some more info.

4/30 Conversion by Saunders of a Supermarine Southampton Mk.II to a metal hull.

5/30 Started as a Vellore Mk.II, but finished up as a Vellore Mk.IV.

F.7/30 Some details to be checked.

S.9/30 Boulton & Paul P-58 is a query. (Listed in the yearly summary of BSF, but not mentioned in the main text for this specification.)

Regards Bailey.
 
Bailey said:
S.9/30 Boulton & Paul P-58 is a query. (Listed in the yearly summary of BSF, but not mentioned in the main text for this specification.)
Click to expand...

Quick check of Alec Brew - Boulton Paul Aircraft Since 1915 - Putnam reveals that that Boulton and Paul did propose the P.58 design to S.9/30. Three variants considered:-

P.58 Equal Span Biplane with Armstrong-Siddeley Panther radial.
P.58A Equal Span Biplane with Rolls-Royce F12 inline.
P.58B Sesquiplane with either engine.

Regards Bailey.
 
My dear Bailey,

For M1/30,the Vickers-252 may be wrong,but I will check,
and for F7/30,the AW.21 was mentioned in the magazine
Air Enthusiast and for Hawker Fury,I think it was mentioned
in A-Z magazine,and for the P-58,it was mentioned it the
index of the book you have.
 
hesham said:
For M1/30,the Vickers-252 may be wrong,but I will check,
Click to expand...

From Vickers Aircraft Since 1908 - C.F.Andrews - Putnam.

A Mk II (Videbeest) airframe was converted to the Type 252, for the purposes of demonstrations and submission to Specifications M.1/30 and S.9/30. Fitted for M.1/30 with a Bristol Pegasus IIIM3, flown under the SBAC markings as O-7 and later as G-ACYV.

From British Flight Testing Martlesham Heath 1920-1939 - Tim Mason - Putnam.

The Vickers Type 207 broke up in a test dive and never reached Martlesham and in September 1933 a modified Vildebeest O-7 (presumably the Type 252) was submitted to Martlesham for testing as a private venture to the modified Specification M.1/30A.

Cheers Bailey.
 
More on Specification M.1/30, the first Blackburn aircraft to M.1/30, which was destroyed in a take-off crash at Martlesham on 30th June 1933, was known as the Blackburn M.1/30 and not B-3. The B-3 designation applied only to the second aircraft built privately to M.1/30A.

The original Specification was M.5/28, the requirements of which no design was able to meet, such as a 20,000 ft. service ceiling. It was cancelled and replaced by M.1/30 which reduced the service ceiling to 16,000 ft. amongst other changes. M.1/30A relaxed the service ceiling requirement even further to 14,000 ft. As there where still no suitable contenders, M.1/30A was also withdrawn, re-written and re-issued later as S.15/33, which combined and amended the M.1/30 and S.9/30 requirements and resulted in the Blackburn B-6 Shark and Gloster TSR.38.

Regards Bailey.
 
Various UK Ministry of Aircraft Specifications, 1940-1961

MINISTRY OF AIRCRAFT SPECIFICATIONS/ AIR MINISTRY SPECIFICATIONS for AIRCRAFT TYPES for which a specification has been drawn up but not allocated to an Aircraft Manufacturer. These are for the Manufacturer to submit a design for consideration by the Ministry. Most never were proceeded with, or a modified specification was issued. All these are original issues. Sizes are 205mmx330mm or 160mmx200mm . Filing punch holes, not illustrated. Wear to edges.
[*]2/40. TWIN ENGINED TRAINING AIRCRAFT. 25th January 1940. 3 pages.
[*]B.7/40 LIGHT HIGH SPEED BOMBER. 22nd May 1940. 16 pages.
[*]E.10/44. JET PROPELLED FIGHTER AIRCRAFT BASED ON "SPITEFUL". 23rd January 1945. 13 pages.
[*]T.7/45 (Issue II). SINGLE-ENGINED ADVANCED TRAINING AIRCRAFT. 7th August 1945. 16 pages. issued to Avro and Boulton Paul.
[*]F.44/46. R.A.F. NIGHT FIGHTER AIRCRAFT. 24th January 1947. 6 pages. Tears to edges.
[*]F.43/46. R.A.F. DAY INTERCEPTOR FIGHTER. 24th January 1947. 6 pages. Tears to edges.
[*]N.40/46. NAVAL NIGHT FIGHTER. 10th February 1947. 14 pages.
[*]N.9/47. NAVAL FIGHTER AIRCRAFT 16th September 1947. 13 pages.
[*]UB.109. D. SHORT RANGE EXPENDABLE BOMBER. 22nd June 1953. 7 pages. watermarked. Became BAC Blue Rapier.
[*]N.114 T2. NAVAL FIGHTER WITH JET DEFLECTION. 16th May 1953. 10 pages.
[*]M.148 T Issue 2. NAVAL 3 SEAT STRIKE AIRCRAFT. 18th June 1954. 11 pages. Appendix B relates to the NA.39.
[*]C.229T. S.T.O.L. SHORT RANGE TACTICAL TRANSPORT AIRCRAFT. 31st May 1961. 12 pages

http://cgi.ebay.co.uk/AIRCRAFT-SPEC...llectables_Aeronautica_MJ&hash=item35b2f266d7
 
Stargazer2006 said:
Here is what I have for 1923 (I include the short descriptions):

1/23 Reconditioning Float Seaplane Fairey IIID
2/23 Slots for Hanley Handley-Page H.P.19 Hanley III
3/23 Single-Seat Fighter Gloucester Grebe I / II
4/23 Power Driven Glider English Electric S.1 Wren
5/23 Reconditioning F.5 Saunders (Felixstowe) F.5
6/23 Aerial Survey Aircraft not completed
7/23 Bristol Fighter concerting wings (Hawker), no information
8/23 Alighting Gear Avro 555 Bison I, Blackburn Blackburn I
9/23 Boat Seaplane (replaced) Blackburn Iris*
10/23 Day Bombing Landplane Avro Aldershot III, Boulton & Paul P.28*, Fairey project*, Vickers Drawing N°9047*
11/23 Spotting Landplane Blackburn Blackburn I
12/23 Reconditioning Snipe Hawker (Sopwith) Snipe
13/23 Spotting Amphibian Supermarine Seagull II
14/23 Reconditioning Panther Parnall Panther
15/23 Army Co-operation Conversion Fairey Fawn Bomber*
16/23 Spotting Ship-Plane Avro 555 Bison I
17/23 Reconditioning Avro 504K Avro 504K
18/23 All-Metal Landplane Beardmore Inflexible
19/23 Single-Seat Landplane Armstrong Whitworth Siskin III
20/23 Bombing Landplane Fairey Fawn II
21/23 Torpedo Ship-Plane Avro 571 Buffalo I, Blackburn T.5 Ripon, Handley-Page H.P.31 Harrow I / II
22/23 Reconditioning D.H.9A (De Havilland) D.H.9A
23/23 Reconditioning Flying Boat English Electric P.5 Kingston
24/23 High Speed Fighter Fairey Firefly I*, Gloster Gorcock
25/23 Torpedo Ship-Plane Handley-Page H.P.25 Hendon I-III
26/23 Day Bombing Landplane Boulton & Paul P.25A Bugle II, Bristol 90 Berkeley, Fairey Day Bomber,
Handley-Page H.P.28 Handcross, Hawker Horsley, Westland Yeovil
27/23 Fighter for Ship Use Parnall Plover
28/23 Long Distance Bombing Landplane Vickers 99 Virginia IV
29/23 Ambulance Landplane Avro 561 Andover
30/23 All-Metal Wings (De Havilland) D.H.9A
31/23 Bombing Landplane Blackburn T.2 Dart (conversion)
32/23 Night Bomber Vickers F.27 Vimy (IV)*
33/23 Dual Control Conversion Armstrong Whitworth Siskin III ?*
34/23 Wing for Static Test no information
35/23 Reconditioning F.2B Fighter Bristol Fighter
36/23 Reconditioning 2F.1 Ship Camel Hawker (Sopwith) Ship Camel
37/23 Fighter Landplane Gloster Gamecock (development)
38/23 Night Bomber Vickers F.27 Vimy (IV)
39/23 Racing Seaplane Gloucester Gloster II
40/23 Racing Seaplane Supermarine S.4
41/23 Slotted Wings for F.2B Bristol F.2B Fighter
42/23 Alighting Gear Fairey Flycatcher I
43/23 R&M 322 Airfoil Blackburn Dart
44/23 Light Aeroplane De Havilland D.H.53 Humming Bird
45/23 Fighter Landplane Parnall Pike, Vickers 94 Venture

NOTE: The asterisk (*) indicates types that were not submitted in the end.

Remarks:
- For 19/23 I have the Siskin IIIA, not the Siskin III. Could it be it applied to both?
- For 44/23 I also have the Air Navigation & Engineering Co. ANEC.1 and something called the Handasyde-Raynham, no designation...
Click to expand...


For the Specification 9/23 for Military Flying Boat,the English Electric
company submitted the P.8 project,it was a large military flying boat,
powered by three 470 hp engines.
 
A question,


what was the Specification N.3 ?,and in which year ?.
 
Re: Various UK Ministry of Aircraft Specifications, 1940-1961

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Stargazer2006 said:
Here is what I have for 1923 (I include the short descriptions):

3/23 Single-Seat Fighter Gloucester Grebe I / II
Click to expand...


For English Electric,this company developed a single seat fighter armed with one
Vickers machine-gun and powered by one 150 hp engine,wing area 81 sq ft. weight
loaded 4,500 1b. maximum speed 200 mph.


And may be this project of 1923 submitted to this competition.
 
hesham said:
A question,


what was the Specification N.3 ?,and in which year ?.
Click to expand...

N3(a) was for a single or double engined float seaplane. April 1917
N3(b) was for a twin engined boat type seaplane. April 1917
 
We can continue from the book, British Aircraft Specifications File,


here is the year 1931 Specifications,and I can add;


about 13/31 contest for Initio Trainer,the Avro-631 Cadet and De Havilland DH-60T Tiger Moth,and
differed initial from 13/31 for Torpedo Bomber;
http://en.wikipedia.org/wiki/List_of_Air_Ministry_specifications


about C26/31E contest for Bomber-Transport Aircraft; also the Vickers Type-230 was involved.
 

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Hi,


and for the year 1932,there is two additions;


B9/32E day bombing aircraft, the Armstrong-Whitworth AW.24 was involved


P27/32E day bombing aircraft, the Boulton Paul P-73 also submitted to this contest
 

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Also from British Aircraft Specifications file,


here is the year 1933,with one addition;



F22/33E fighter aircraft, also the Boulton Paul P-74 was involved
 

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