Subject area B of 15
Non-Metallic Structures
5-10% of the A&P Airframe test, about 5 to 10 of the 100 questions. The FAA's test standard lists 29 knowledge elements and 7 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.II.B.K1Wood structures, including inspection techniques, tools, and practices for wood structures.
- AM.II.B.K2Effects of moisture/humidity on wood and fabric coverings.
- AM.II.B.K3Types and general characteristics of wood used in aircraft structures.
- AM.II.B.K4Permissible substitutes and other materials used in the construction and repair of wood structures.
- AM.II.B.K5Acceptable and unacceptable wood defects.
- AM.II.B.K6Wood repair techniques and practices.
- AM.II.B.K7Factors used in determining the proper type covering material.
- AM.II.B.K8Types of approved aircraft covering material.
- AM.II.B.K9Seams commonly used with aircraft covering.
- AM.II.B.K10Covering textile terms.
- AM.II.B.K11Structure surface preparation.
- AM.II.B.K12Covering methods commonly used.
- AM.II.B.K13Covering means of attachment.
- AM.II.B.K14Areas on aircraft covering most susceptible to deterioration.
- AM.II.B.K15Aircraft covering preservation/restoration.
- AM.II.B.K16Inspection of aircraft covering.
- AM.II.B.K17Covering repair techniques and practices.
- AM.II.B.K18Inspection/testing of composite structures.
- AM.II.B.K19Types of composite structure defects.
- AM.II.B.K20Composite structure fiber, core, and matrix materials.
- AM.II.B.K21Composite materials storage practices and shelf life.
- AM.II.B.K22Composite repair methods, techniques, fasteners, and practices.
- AM.II.B.K23Thermoplastic material inspection/types of defects.
- AM.II.B.K24Thermoplastic material storage and handling.
- AM.II.B.K25Thermoplastic material installation procedures.
- AM.II.B.K26Care and maintenance of windows.
- AM.II.B.K27Window temporary and permanent repairs.
- AM.II.B.K28Maintenance safety practices/precautions for composite materials/structures, and windows.
- AM.II.B.K29Inspecting restraints and upholstery.
Risk management: hazards you must be able to spot and manage
- AM.II.B.R1Selection of glue (adhesive) or fasteners for aircraft structure.
- AM.II.B.R2Composite structure repairs.
- AM.II.B.R3Exposure to materials used in composite repair.
- AM.II.B.R4Storage of composite materials.
- AM.II.B.R5Measuring and mixing of materials associated with composite construction.
- AM.II.B.R6Use of materials that are not part of an approved repair system.
- AM.II.B.R7Material shelf-life.
Try a sample question
Non-Metallic Structures ยท AM.II.B.K3
A wing spar is built from several layers of spruce glued together, with the grain of all the layers running approximately parallel. What form of wood is this?
Practice all of non-metallic structures
The full course has questions on every element listed here, with an explanation and FAA source for each.