| Details |
| Document Number: |
AS432B |
| Revision Number: |
B |
| Title |
| Tachometer Instruments (Indicator and Generator) |
| Scope |
| 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.<p>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. |
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