Aviation Mechanic - General, Airframe, and Powerplant › III. Powerplant › Task D. Engine Instrument Systems

AM.III.D.R2

Risk management

Engine instrument calibration or instrument error.

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Pilot's Handbook of Aeronautical Knowledge p. 8-8
Chapter 8: Flight Instruments › Instrument Check › Airspeed Indicator (ASI)
direct instrument reading obtained from the ASI, uncorrected for variations in atmospheric density, installation error, or instrument error. Manufacturers use this airspeed as the basis for determining aircraft performance. Takeoff, landing, and stall speeds listed ... altitude or temperature. Figure 8-7. Airspeed indicator (ASI). Calibrated airspeed (CAS)—IAS corrected for installation error and instrument error. Although manufacturers attempt to keep airspeed errors to a minimum, it is not possible to eliminate all errors throughout…
Instrument Flying Handbook p. 7-61
Chapter 7, Section II: Airplane Basic Flight Maneuvers › Instrument Takeoff › Common Errors in Instrument Takeoffs
Common Errors in Instrument Takeoffs Common errors associated with the instrument takeoff include, but are not limited to, the following: 1. Failure to perform an adequate flight deck check before the takeoff. Pilots have attempted instrument takeoff…
Instrument Flying Handbook p. 6-14
Chapter 6, Section I: Airplane Attitude Instrument Flying › Common Cross-Check Errors › Instrument Interpretation
Now, set up the identical picture on the attitude indicator in a…