Titles: Westland Wessex No’s 1 and 2

The Westland Wessex was a licence production version of the Sikorsky S-58, but the main change was to replace the S-58’s radial piston engine with a turbine engine. Early versions of the Wessex used a Napier Gazelle engine, and later versions used a twin-pack of De Havilland Gnome engines. It first flew in 1958 and entered service in 1961.

The principal operators were the Royal Air Force and Royal Navy, although 27 were supplied to the Royal Australian Navy, and smaller numbers to several other air arms. A number of civil versions were used on the North Sea oil fields until replaced by larger helicopters.

We offer two titles containing flight manuals (known as pilot’s notes), a performance manual and a manufacturer’s brochure for several variants of the Westland Wessex. Each title is US$9.95. The files have been copied from the original flight manuals and retain any colour pages.



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Title 1 contains:

  • RAF Pilot’s Notes for the Wessex HAS.1, AP4723A-PN dated November 1960 with approx. 162 pages.
  • Manufacturer’s Pilot’s Notes for the Wessex Mk 31B, for the Royal Australian Navy, A.P.(RAN)8 dated June 1967 with approx. 461 pages.
  • Manufacturer’s brochure for the Wessex Mk 31, undated with approx. 16 pages.

Title 2 contains:

  • RAF Pilot’s Notes for the Wessex HC.2, AP 101C-0102-15, 2nd Edition dated October 1972 with approx. 158 pages.
  • RAF Pilot’s Notes for the Wessex HU.5, AP 101C-0105-15 dated September 1964 with approx. 192 pages.
  • RAF Operating Data Manual for the Wessex HU.5, AP 101C-0105-16 at AL4 dated September 1976 with approx. 93 pages.