HC Deb 13 July 1966 vol 731 c211W
74. Mr. Webster

asked the Secretary of State for Defence what is the breaking strain of the centre-base tie of the PX parachute; and what modifications have been made.

Mr. Merlyn Rees

The breaking strain is now 200–230 lbs. The relevant modification involved replacement of the centre base tie which previously had a breaking strain of 150–180 lbs.