An improved version of the B.A.C. III appearing in April 1931 was the B.A.C. IV with longer, tapered wings. Only one being built.
One was sold to Mr C M C Turner of the Channel Gliding Club. For an intended channel crossing. it was towed to 10,000 ft by Sqn Ldr Probyn in his Westland Widgeon G-EBRQ on 18 June 1931, but this was not high enough for the planned flight.
When fitted with wheels the B.A.C. IV was re-designated B.A.C. VI.
Wing span: 12.48 m / 40 ft 9 in
Length: 6.05 m / 19 ft 10 in
Wing area: 17.09 sq.m / 184 sq.ft
Aspect ratio: 9
Wing section: Gottingen 532 modified
Empty weight: 90.72 kg / 200 lb
Max L/D: 18

