| T.IV | |
|---|---|
| Role | Maritime patrol floatplane |
| Manufacturer | Fokker |
| First flight | 1927 |
| Introduction | 1927 |
| Retired | 1942 |
| Primary users | Netherlands Portugal |
| Number built | 33 |
The Fokker T.IV was a Dutch torpedo bomber/maritime reconnaissance floatplane of the 1920s and 30s. First flying in 1927, it served with the Dutch Naval Aviation Service in the Dutch East Indies until the remaining aircraft were destroyed during the Japanese invasion in 1942.
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The Fokker T.IV was developed to meet the requirements of the Royal Netherlands Navy for a maritime patrol/torpedo bomber aircraft for use in the Dutch East Indies. First flying on June 7, 1927,[1] the T.IV was a twin engined floatplane with a thick, cantilever, high mounted monoplane wing and a deep, slab sided fuselage. An open cockpit housed the two pilots, while the aircraft had a defensive armament of three machine guns in nose, dorsal and ventral positions, while carrying either a torpedo or 800 kg (1,764 lb) of bombs. The initial version was powered by two 450 hp (340 kW) Lorraine-Dietrich broad arrow engines.
In 1935, Fokker produced a developed version, the T-IVa, to supplement the existing T-IVs in Dutch service. Wright Cyclone radial engines replaced the Lorraine Dietriches, while the pilots were provided with an enclosed cockpit in a hump over the wing root, and enclosed nose and dorsal gun turrets were fitted.[2] 12 were built for the Dutch Naval Aviation Service, while the remaining T-IVs were rebuilt to the T-IVa standard.[2]
Deliveries of the original T.IV to the Dutch Naval Aviation Service in the Dutch East Indies started in 1927 and continued until 1930.[3] The second batch of 12 TIVa aircraft was delivered to the East Indies from 1936 to 1938,[3] with the original T.IVs being rebuilt as T.IVas.[4]
The T.IV proved to be a reliable and seaworthy aircraft,[5] and continued in use for local patrols and air-sea rescue operations from the naval base at Soerabaja on Java until 1942, when the Japanese attacked the Dutch East Indies.[6] All the remaining TIVs were destroyed during the Japanese invasion, either by Japanese bombing or scuttled.[6][3]
Data from The Encyclopedia of World Aircraft [5]
General characteristics
Performance
Armament
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