Mission History
The ST-124 stabilized platform was part of the navigation, control and guidance system of the Saturn V. Data from the ST-124 were used by the Launch Vehicle Digital Computer (another Instrument Unit component) to compare actual flight data to programmed flight plans and to calculate guidance corrections. Though the ST-124 operated all during the mission, its data were not used for guidance while the vehicle was in the atmosphere, where it was subjected to high drag forces. In this region, basically the time of the first stage burn, the vehicle followed a simple preprogrammed flight plan.
Read more about this topic: ST-124-M3 Inertial Platform
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