Airworthy Prep

Subject area B of 12

Aircraft Drawings

5-10% of the A&P General test, about 3 to 6 of the 60 questions. The FAA's test standard lists 4 knowledge elements and 4 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.I.B.K1Drawings, blueprints, sketches, charts, graphs, and system schematics, including commonly used lines, symbols, and terminology.
  • AM.I.B.K2Repair or alteration of an aircraft system or component(s) using drawings, blueprints, or system schematics to determine whether it conforms to its type design.
  • AM.I.B.K3Inspection of an aircraft system or component(s) using drawings, blueprints, or system schematics.
  • AM.I.B.K4Terms used in conjunction with aircraft drawings, blueprints, or system schematics.

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

  • AM.I.B.R1Interpretation of plus or minus tolerances as depicted on aircraft drawings.
  • AM.I.B.R2Specifications for design of alterations and repairs.
  • AM.I.B.R3Applicability of the drawing or schematic to the particular aircraft by model and serial number.
  • AM.I.B.R4Identification of the current version and applicability of drawing being used.

Try a sample question

Aircraft Drawings ยท AM.I.B.K4

A drawing shows a bracket assembly in its final position in the aircraft, with the dimensions needed to locate it relative to other parts. What type of drawing is this?

Practice all of aircraft drawings

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