Astronomy and spaceflight - Spaceflight history - Lunar Module Eagle - NASA - Moon landings
You are aboard the lunar module Eagle on 20 July 1969. During the landing approach, the computer suddenly displays the 1202 alarm. How does NASA respond?
Correct!
The alarm meant that the onboard computer was temporarily overloaded with too much data. It restarted parts of its program but retained the crucial tasks, such as navigation and descent-engine control. Mission Control recognized that the landing could safely continue and gave the crew the decisive “Go.”
The 1201 and 1202 warnings appeared several times during the descent. Neil Armstrong also had to avoid the planned landing site because it was strewn with large rocks, and ultimately flew Eagle partly by hand toward a more suitable spot.


