Flown Lunar Module Contingency Checklist page carried to the lunar surface aboard the Lunar Module Challenger during the Apollo 17 mission, 6 x 8, signed and flight-certified in black felt tip, "Flown to Taurus Littrow—Gene Cernan, Apollo XVII." The double-sided Flight Data File page, dated August 31, 1972, pages 5-13 and 5-14, with tab marked “PTC, Staging,” relates to the Primary Guidance and Navigation System (PGNS) and the Passive Thermal Control (PTC) procedure for the CSM/LM configuration. The PTC, also known as the Barbecue mode, was when the LM/CSM stack was oriented with its long axis perpendicular to the Sun so that, when the spacecraft was put into a slow rotation around that axis, heating and cooling would be relatively uniform. In fine condition.
We use cookies on this site to improve your experience. By using this site, you accept our use of cookies. To learn more, please see our Privacy Policy.