FLOWN APOLLO 11 LUNAR SURFACE CHECKLIST SHEET HAVING ONE OF THE MOST EXTENSIVE SETS OF NOTATIONS MADE WHILE ON THE MOON.  BOTH SIDES HAVE CRITICAL DATA RECORDED ON THE MOON TO ENABLE ARMSTRONG AND ALDRIN TO LEAVE THE LUNAR SURFACE.
Lot 212
FLOWN APOLLO 11 LUNAR SURFACE CHECKLIST SHEET HAVING ONE OF THE MOST EXTENSIVE SETS OF NOTATIONS MADE WHILE ON THE MOON.
BOTH SIDES HAVE CRITICAL DATA RECORDED ON THE MOON TO ENABLE ARMSTRONG AND ALDRIN TO LEAVE THE LUNAR SURFACE.
Sold for US$ 68,750 inc. premium

Lot Details
FLOWN APOLLO 11 LUNAR SURFACE CHECKLIST SHEET HAVING ONE OF THE MOST EXTENSIVE SETS OF NOTATIONS MADE WHILE ON THE MOON.  BOTH SIDES HAVE CRITICAL DATA RECORDED ON THE MOON TO ENABLE ARMSTRONG AND ALDRIN TO LEAVE THE LUNAR SURFACE. FLOWN APOLLO 11 LUNAR SURFACE CHECKLIST SHEET HAVING ONE OF THE MOST EXTENSIVE SETS OF NOTATIONS MADE WHILE ON THE MOON.  BOTH SIDES HAVE CRITICAL DATA RECORDED ON THE MOON TO ENABLE ARMSTRONG AND ALDRIN TO LEAVE THE LUNAR SURFACE.
FLOWN APOLLO 11 LUNAR SURFACE CHECKLIST SHEET HAVING ONE OF THE MOST EXTENSIVE SETS OF NOTATIONS MADE WHILE ON THE MOON.
BOTH SIDES HAVE CRITICAL DATA RECORDED ON THE MOON TO ENABLE ARMSTRONG AND ALDRIN TO LEAVE THE LUNAR SURFACE.
The pen used for these annotations engages the broken power breaker that activates their ascent rocket engine.
FLOWN Apollo 11 Lunar Surface Checklist, page SUR-58/SUR-59, a single sheet printed recto and verso. NASA/MSC, June 16, 1969, updated June 25, 1969. 5½ by 8 inches. Extensive annotations in ink by BUZZ ALDRIN. With a Typed Letter Signed by BUZZ ALDRIN.

BUZZ ALDRIN'S signed provenance letter reads: "Accompanying this letter is a sheet numbered SUR-58 and SUR-59 from the Apollo 11 LM Lunar Surface Checklist, Part No. SKB32100074-363, S/N 1001. The checklist was taken to the Moon on the flight of Apollo 11 during July 16 to 24, 1969. Then the entire checklist, including this sheet, was carried to the surface of the Moon in Lunar Module Eagle during the first lunar landing on July 20, 1969. This is one of the few sheets that actually has some mission notes made during our lunar surface stay. They were written just hours before leaving the Moon after history's first manned lunar surface exploration.

Side SUR-58 has the steps Neil Armstrong and I performed at 35 minutes before Lunar Module Eagle's liftoff from the Moon. We both put on our space suit helmets and gloves, then attached the cord-type restraints to our space suits. Mission Control sent us our current LM weight which I recorded as "10837" in the blank spot provided. We then received the updated TIG ASC or time for the LM Ascent Stage engine ignition of "124:22:00" in hours:minutes:seconds of Ground Elapsed Time. This was one of the most important event times recorded during our flight. Neil and I then completed the remaining step on side SUR-58.

Side SUR-59 has a long list of steps we performed at 30 minutes before liftoff. At about 2.5 hours before liftoff, Mission Control send us additional steps I logged as: "Prop Dec ---> Hel Reg/close" and "Prop Disp --->, Eng Over/Logic close." The first instruction was to close the propulsion helium regulator vent circuit breaker on panel 11. The second addition was to close the propellant display engine override logic circuit breaker on panel 16. These new settings allowed one last venting of the helium tank of the Descent Propulsion Section. The final note I made on this side was to set the Rendezvous Radar to the "SLEW" position and marked out the LGC or LM Guidance Computer setting.

A few hours earlier, after we returned to the LM interior once completing the first lunar moon walk, I noticed that the ascent engine arming breaker push/pull switch was broken. Apparently during movement wearing our large space suit "backpacks," either Neil or I bumped into this panel and broke off that particular switch. This switch was the direct means of arming our ascent engine which would allow us to leave the lunar surface. Mission Control verified that the switch was open, meaning that the engine was currently unarmed. If we could not get the engine armed, we would be stranded on the Moon. They advised us to leave the switch in the open position until the timeline called for it to be engaged. I started to think of ways to activate the switch if pushing it by hand failed. As it turned out, the very pen I used to record these notes was the perfect tool to engage this circuit breaker.

This sheet has been in my private collection since 1969. I have written on side SUR-58: "Notes by Buzz Aldrin while on the Moon." On side SUR-59, I have written: "Notes by myself while on the lunar surface during Apollo XI" and signed it along the right side of that page.
"
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