An important lot of aviation history. The lot contains only original pieces! The lot consists of: Sikorsky Aircraft Flight Manual Sikorsky Helicopter Model S-55 Publication No. SA4045-8 Registratioin No. 762 Dated 1954/1955 110 pages Flight Manuael N565 MR Beechcraft Twin-Bonanza Not dated, but most likely 1950's 53 pages. With inserted photo Procedures for Air Navigationi Services Radiotelephony Procedures Doc 7181-COM/546/3 Dated 1955 IV, 49 pages With a few old manuscript annotations Furthermore, there are ca. 37 old navigation maps, mainly 1950's to 1960's. A few a bit youngher perhaps. Covering many different area's such as Africa, Netherlands/Germany, Asia (former Dutch East Indies). A truely unique collection.