The FAA Aviation Mechanic Powerplant track on passvana has a Resources tab of quick-reference material built from the FAA's own documents, with each fact checked against its source. Here is what is in it.
FAA Aviation Mechanic Powerplant Test
- Tables: Aviation Mechanic Powerplant Test: Structure, Scoring and Subjects (free); Numbers and Rules to Memorize; Formulas for the Calculation Questions; Fire Detection and Extinguishing at a Glance
- Flashcard decks: Reciprocating Engine Quick Facts (free); Ignition, Starting and Lubrication Quick Facts; Propellers, Turbine and Fuel System Quick Facts
- Official links: Become an Aviation Mechanic (FAA, official); Aviation Mechanic ACS (FAA-S-ACS-1, official); Companion Guide to the Mechanic ACS (FAA-G-ACS-1, official); Aviation Maintenance Technician Handbook - Powerplant (FAA-H-8083-32B, official)
A few checked facts worth knowing
- 100-hour inspection overrun Up to 10 hours, only while en route to a place where the inspection can be done; the excess counts toward the next 100 hours. (14 CFR 91.409(b))
- Bonding jumper connection No more than 0.003 ohm per connection. (FAA-H-8083-32B p. 4-65)
- Mechanical efficiency = brake hp / indicated hp 170 bhp over 200 ihp is 0.85, or 85 percent; the 30 hp difference is friction horsepower. (FAA-H-8083-32B p. 1-35)
- Smoke detectors Suit baggage compartments and lavatories, where materials burn slowly or smolder; not engine fires. (FAA-H-8083-32B p. 9-1)
What is free to preview
Items marked free above can be opened by anyone. The rest come with the track, along with its full practice-question bank. For the exam format and passing score, see our FAA Aviation Mechanic Powerplant test cheat sheet.