This very small area in between trees and hills, situated at the northern part of Beekhuizerzand, is used by Cougar crews only. The Chinook is to large to fit..
On 19 May 1951, the Rolls-Royce Nene-powered Machtrainer prototype S.14/2 (PH-NDY) made her maiden flight from Amsterdam-Schiphol, in a KLu c/s and marked ‘K-1’. The aircraft transferred to the NLR in August 1961, registered PH-XIV.