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What should the pilots do if they observe an engine limit exceedance during flight?

  • A

    Only an engine temperature limit exceedance needs to be reported in the aircraft's technical logbook.

  • B

    Any exceedance of engine limits in flight must be reported and documented in the aircraft's technical logbook.

  • C

    Only an engine overspeed condition must be reported and documented in the aircraft's technical logbook.

  • D

    If engine parameters return to normal values within a short period of time and NO special instructions are given in the flight manual (AFM) for such an exceedance, no formal entry in the aircraft's technical logbook is required, and the engineers should be informed directly at the end of the day.

Learning Objective 021.11.04.01.11: Explain why engine-limit exceedances must be reported.

When critical values are exceeded, even briefly, the PIC needs to report them in the aircraft's technical logbook (ATL - or Tech Log). In fact, almost every night (or after any defect is reported) the engineers will check and work on the aircraft, if necessary, and the first thing they will do is check the Tech Log to see any reports written since the last check. Subsequent inspection, testing, and maintenance will be conducted. The exceedance of any engine parameters such as the EPR, EGT, N1, N2, TGT limits will allow the maintenance to conduct the necessary checks to analyse whether the exceedance has damaged any components or not.

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