Guidance and Control System

Command Module Guidance and Control System

The Guidance and Control System consisted of a number of sub-systems for in-flight navigation and guidance. This article gives a high-level overview of the sub-systems: detailed information use will be on individual pages for those systems.

Stabilisation and Control System (SCS)

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Orbital Rate Display Earth And Lunar

ORDEAL

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Entry Monitoring System

EMS

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The Entry Monitoring System is used by the crew to monitor the entry trajectory flown by the PGNCS and allows the pilot to fly a manual re-entry if required.

The main EMS panel includes a velocity/load-factor display, range-to-go display, 0.05g indicator and roll/attitude indicator.

External Links

• Apollo experience report: Command and service module reaction control systems
• Apollo experience report: Guidance and control systems
• Apollo experience report: Guidance and control systems - Digital autopilot design development
• Apollo experience report: Lunar module landing radar and rendezvous radar
• Apollo experience report: Lunar module reaction control system

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