Light Years Ahead | The 1969 Guidance Computer

On 20/07/1969, Neil Armstrong was in the final stages of the lunar descent, when suddenly his on-board computer indicated a critical alarm. For three nail-biting seconds it looked as if the mission would have to be aborted. However, he was given a "go" to continue, and after several more alarms the Eagle touched down safely on the Moon.


Looking at the errors 1201 and 1202 that occurred as the Lunar Landing Module was starting its descent to the surface of the Moon for the first time:

04:23 error codes 1201 and 1202,

The Real Story Behind the Apollo 11 Computer Error | WSJ ?t=252

This is from the perspective of the person responsible for writing the actual code for the ALM computer.

@pgtips91 The #BBC did a good radio/podcast series on Apollo 11 a few years ago, 13 Minutes to the Moon. Discusses the computer problems in one of the episodes.



Yes, my sister has been listening to this on the radio and sent me the link.

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