The results of the preliminary test the types of attachment of a safety tether hook on Krechet Lunar suit during descend and climbing the ladder of the object 11F94 (Lunar Lander). Also the type of a ladder and handrails were tested.During the test Different types of locks were assayed.
Also the imitation of 'fallen from the ladder' situation was analyzed.
Dated January 21, 1969 at A-3927 plant (Zvezda)
Signed by leading designer on spacesuits Stoklitsky, the chief of design bureau Zelvinsky Engineers: Hilkov, Antropov, Lebedev, Sverschak.