The Sunderland prototype K4774 as first rolled-out at Rochester in October 1937, with straight wing. Clearly shown is the hatch in the hull side under the wing through which bombs, depth charges, etc, were winched, prior to being dropped.
Еhe third production Sunderland I L2160, showing the sweep-back on the wing and the outward canting of the engines that resulted from introduction of this modification.
A Sunderland I (L2163, the sixth production example) in warpaint, serving with No 210 Squadron early in the war. This photograph shows the open gun positions introduced in the upper rear hull, and the bomb-aiming "V” window extended beneath the nose turret.
A Sunderland I of No 201 Squadron, showing the aerials of the ASV Mk II radar.
A Sunderland II (W5986) . The photograph has been retouched by the wartime censor to obliterate the ASV Mk II and Yagi aerials on the hull and wing, and the FN 7 dorsal turret, usually carried by the Mk II, is not fitted.
A Sunderland III, both in service with No 10 Squadron, RAAF, at Mount Batten, Plymouth, in April 1942. The improved hull of the Mk III is clearly shown.
После оснащения значительно улучшенной РЛС ASV Mk V/C, размещенной в подкрыльевых обтекателях, лодка Sunderland Mk III сменила индекс на Mk IIIA. Новый радар обладал гораздо меньшим лобовым сопротивлением, чем ASV Mk II.
A Sunderland IIIA in Coastal Command's late wartime finish, with the underwing radomes for ASV Mk VIC
The Sunderland IV prototype MZ269 after introduction of the modified tail unit which was standardised on the production Seaford I.
После окончания войны 15 GR.Mk V были заняты перевозкой южноафриканских солдат на родину, а затем из них сформировали 35-ю морскую патрульную эскадрилью SAAF (южноафриканские ВВС), базировавшуюся в Конгелла. Летающие лодки использовались SAAF до 1957 года.
One of the 15 Sunderland 5s in service with No 35 Squadron of the South African Air Force, which kept these flying boats in use for some years after the end of the war to fly patrols round the coast of South Africa.
A post-war photograph of a Sunderland V, showing small changes in the engine cowlings and propellers associated with the introduction of Pratt & Whitney engines.
Sunderland GR Mk 5 NZ4111 serving with No 5 Squadron, RNZAF, operating at Lauthala Bay in Fiji.
Sunderland 5 NJ190 of the Aeronavale.
One of the four Sunderlands used post-war for experimental purposes was the Mk V PP151 with the fin and rudder of the Short S.A.4 Sperrin jet bomber. The final Sperrin tail differed slightly from this one.
Line drawings depict (1) the Sunderland prototype in October 1937 with the original wing and (2) with wing swept back by 4 1/2 deg. and with main step moved aft and partly faired during experiments in early 1938. (3) Sunderland I production standard with FN 11 single-gun nose turret, FN 13 four-gun tail turret and single guns in hooded beam hatches. (4) Late production Mk II with FN 7 dorsal turret (offset to starboard) and ASV Mk II. (5A, B and C) Three views of the Sunderland Mk III, with fully-faired main step. (6A, B and C) Side and scrap views of the Sunderland IV showing the definitive (Seaford I) tail unit. (7) Sunderland V, with fixed bow guns and beam hatches.
The production Seaford I.