For a description of the format and data included
in Production Tables, see here.
Produced Variants
B.9/C.A.21B H.S.T.10
Two crew, twelve-passenger low-wing monoplane airliner, fitted with a single-spar all-metal Duncanson wing. Two
365 h.p. Napier Rapier VI powerplants.
Projected Variants
C.A.21
Preliminary schemes for the H.S.T.10 for pilot and 8 passengers.
Four 130 h.p. de Havilland Gipsy Major, four 174 h.p. Napier Javelin or two 340 h.p. Armstrong Siddeley Serval powerplants.
C.A.21B H.S.B.T.10
Coastal recconnaissance/bomber
transport landplane derivative of the H.S.T.10. with mid upper and vental gun positions. Two 365 h.p. Napier Rapier VI
powerplants.
H.S.T.20
Bomber;
enlarged version of H.S.B.T.10. Two 630 h.p. Napier Dagger M.1 powerplants.
H.B.N.T.10
General
purpose derivative of the H.S.T.10. Two 500 h.p. Bristol Aquila powerplants.
