• AS432
• Revision: B

• 2008-02-16

• 1996-09-01

• A-4 Aircraft Instruments Committee

This SAE Aerospace Standard (AS) covers tachometer instruments (RPM indicator, 0-110 percent RPM and 0-120 percent RPM indicators and generator) for remote indication of engine speed.

This Aerospace Standard establishes the essential minimum safe performance standards for Tachometer Instruments primarily for use on turbine-powered subsonic transport aircraft, the operation of which may subject the instruments to the environmental conditions specified in Section 3.3.

• SAE AS 432

• Aerospace

• Avionics
• Aircraft instruments
• Aircraft displays
• Flight control systems
• Flight management systems
• Displays
• Smoke detection
• Instrument panels
• Safety
• Fire detection
• Tests and Testing