Subject area O of 15
Water and Waste Systems
5-10% of the A&P Airframe test, about 5 to 10 of the 100 questions. The FAA's test standard lists 3 knowledge elements and 1 risk management element 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.II.O.K1Potable water system components and operation.
- AM.II.O.K2Lavatory waste system components and operation.
- AM.II.O.K3Inspection and servicing requirements for water and waste systems.
Risk management: hazards you must be able to spot and manage
- AM.II.O.R1Servicing lavatory waste systems, including use of safety equipment.
Try 0 sample questions
Sample questions for this area are on their way. The full course covers it already.
Practice all of water and waste systems
The full course has questions on every element listed here, with an explanation and FAA source for each.