ship-tracking aircraft – requirement later rendered obsolete due to introduction of radar |Airspeed AS.39, General Aircraft GAL.38 |- |S.24/37 |OR.53 |Naval torpedo/dive-bomber, reconnaissance – Supermarine entry featured variable-incidence wing |Supermarine S.24/37, Fairey Barracuda |- |32/37 | |Written for Halifax initial production order |Handley Page Halifax I Srs 1 – I Srs 3 |- |B.32/37 |OR.44 |Production contract for a four-engine version of the P.13/36 H.P.56 design |Handley Page H.P.57 Halifax |- |37/37 | |Magister I production order |Miles Magister I |- |38/37 | |Three-seat communications aircraft & instrument/wireless trainer |Miles Mentor |- |T.39/37 | |Three-seat communications aircraft & instrument/wireless trainer |Airspeed AS.42 Oxford for the Royal New Zealand Air Force |- |42/37 | |Specification for wooden mockup of Miles X2 large transport aeroplane – not built – lead to Miles M.30X Minor scale testbed |Miles M.30X Minor |- |43/37 | |Engine testbed |Folland Fo.108; designs also tendered by General Aircraft & Percival |- |S.7/38 | |Naval catapult-launched observation/spotting flying boat – Walrus replacement |Supermarine Sea Otter |- |O.8/38 | |Naval carrier-borne fighter/observation – winner developed from Fairey's earlier P.4/34 entry |Fairey Fulmar |- |B.9/38 | |Twin-engine medium bomber of simple construction using materials other than light alloy wherever possible |see B.17/38 and B.18/38 |- |14/38 | |Long-range pressurised high-altitude monoplane transport/airliner (Shorts) – 3 prototypes ordered, construction started – cancelled |Short S.32 |- |15/38 | |Short/Medium-range monoplane transport/airliner (Fairey) – Fairey FC.1, 14-aircraft production order – cancelled |Fairey FC1, General Aircraft GAL.40 |- |16/38 | |Trainer – Master I production order |Miles Master T.Mk.I |- |B.17/38 | |Twin-engine medium bomber of mixed wood/metal construction |Bristol Type 155 (cancelled by Bristol) |- |B.18/38 | |Twin-engine medium bomber of mixed wood/metal construction |Armstrong Whitworth Albemarle |- |B.19/38 | |Bomber with 8,000 lb load and eight 20mm cannon in two turrets – revised to become B.1/39 |Bristol Type 157 |- |20/38 | |Communications aircraft – Vega Gull order |Percival Vega Gull |- |21/38 | |Communications aircraft – Dominie production order |de Havilland Dominie |- |S.22/38 | |Naval helicopter |Cierva C.41 Gyrodyne |- |24/38 | |Twin-engine communications aircraft – Envoy production order |Airspeed Envoy |- |25/38 | |Twin-engine communications aircraft |Percival Petrel |- |26/38 |OR.65 |Three-seat wireless or navigation training aircraft with dual controls – Vega Gull adapted for communications training |Percival Proctor I |- |28/38 |OR.66 |Two-seat helicopter – written for Weir W.6 |Weir W.6 |- |T.29/38 | |Twin-engine R/T (Radio Telephony) training