For a description of the format and data included in
Production Tables, see here.
Produced Variants
Type 555 Bison Mk.I
Three seat single bay
unstaggered biplane featuring a deep tubular steel fuselage with plywood and fabric covering, to meet Specification DofR
Type 7A (later Air Ministry Specifications 3/21 and 16/23) for a deck landing sea reconnaisance and fleet gunnery spotting
aircraft. Tubular steel fuselage with plywood and fabric covering. One 480 h.p. Napier Lion II powerplant.
Type 555 Bison Mk.IA
Mk.I
aircraft converted to Mk.II standard to meet the requirements of Specification 24/24.
Type 555A Bison Mk.II
As Mk.I with reduced mainplane dihedral and increased fin area, to meet Specifications 16/23, 11/24
and 16/26.
Type 555B Bison Mk.I Amphibian
Mk.I aircraft converted to an
amphibian, to meet the requirements of Specification 8/23.
3 aircraft built by A.V. Roe & Co. Ltd., Newton Heath, Manchester,
to contract 130134/21. Built at Manchester but erected at Hamble.Delivered between
August 1922 and January 1923.
N153
- N155
Mk.I
3
To have been J6904 - J6906.
(N155)
Mk.II
(1)
N155
rebuilt as a Mk.II in early 1924.
12
aircraft built by A.V. Roe & Co. Ltd., Newton Heath, Manchester, to contract 402281/23. Delivered between November 1923
and April 1924.
N9591
- N9602
Mk.I
12
18 aircraft built by A.V. Roe & Co. Ltd., Newton Heath, Manchester, to contract 510872/24. To
meet Specification 16/23, delivered 1925.
N9836 - N9853
Mk.II
18
12 aircraft built by A.V. Roe & Co. Ltd., Newton
Heath, Manchester, to contract 542928/24. To meet Specification 11/24, delivered between April and July 1925.
