Subject area G of 13
Engine Lubrication Systems
5-10% of the A&P Powerplant test, about 5 to 10 of the 100 questions. The FAA's test standard lists 7 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.G.K1Types, grades, and uses of engine oil.
- AM.III.G.K2Lubrication system operation and components.
- AM.III.G.K3Wet-sump system.
- AM.III.G.K4Dry-sump system.
- AM.III.G.K5Chip detectors.
- AM.III.G.K6Lubrication system maintenance, inspection, servicing, and analysis.
- AM.III.G.K7Excessive aircraft engine oil consumption.
Risk management: hazards you must be able to spot and manage
- AM.III.G.R1Use or mixing of engine oils.
- AM.III.G.R2Following other than manufacturer's recommendations regarding the use of engine lubricants.
- AM.III.G.R3Handling, storage, and disposal of used lubricating oil.
Try a sample question
Engine Lubrication Systems ยท AM.III.G.K6
When should the oil level of a turbine engine be checked, compared with a reciprocating engine?
Practice all of engine lubrication systems
The full course has questions on every element listed here, with an explanation and FAA source for each.