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Subject area C of 13

Engine Inspection

5-10% of the A&P Powerplant test, about 5 to 10 of the 100 questions. The FAA's test standard lists 8 knowledge elements and 3 risk management elements for this area. Here is every one, plus sample questions to try.

What the FAA tests

From the aviation mechanic test standard, FAA-S-ACS-1.

Knowledge: what you must know

  • AM.III.C.K1Inspection requirements under 14 CFR part 43 and 14 CFR part 91.
  • AM.III.C.K2Identification of life-limited parts and their replacement interval.
  • AM.III.C.K3Special inspections.
  • AM.III.C.K4Use of FAA-approved data.
  • AM.III.C.K5Compliance with service letters, service bulletins, instructions for continued airworthiness, ADs, or TCDSs.
  • AM.III.C.K6Maintenance recordkeeping requirements under 14 CFR part 43.
  • AM.III.C.K7Engine component inspection, checking, and servicing.
  • AM.III.C.K8Engine mounts, mounting hardware, and the inspection and checking of each.

Risk management: hazards you must be able to spot and manage

  • AM.III.C.R1A compression test on a reciprocating engine.
  • AM.III.C.R2Maintenance on an operating reciprocating engine.
  • AM.III.C.R3Maintenance on an operating turbine engine.

Try a sample question

Engine Inspection ยท AM.III.C.K5

Refer to the figure. An IO-690 engine, serial No. 480-48, has 190 hours time in service on the effective date of this AD. When is the first oil pump drive shaft inspection due?

FAA-CT-8080-4G, Appendix 2, Figure 1

Practice all of engine inspection

The full course has questions on every element listed here, with an explanation and FAA source for each.

See the courseFree mock test