Typo
Which program did you find a flaw in?
Apollo Command Module Manual
Which section
IV Guidance & Control - 1.1 Attitude Reference
Where did you find it
Page 43
What's the wrong word or phrase?
The two platforms are frequently aligned with each other so that the GDC can take over from the IMU in the event of failures, meaning that the GPD platform is aligned with the IMU.
What should it be?
I believe "GPD" here was meant to be "GDC".
Typo
Which program did you find a flaw in?
Apollo Command Module Manual
Which section
IV Guidance & Control - 1.1 Attitude Reference
Where did you find it
Page 43
What's the wrong word or phrase?
What should it be?
I believe "GPD" here was meant to be "GDC".