Aviation Mechanic - General, Airframe, and Powerplant › I. General › Task B. Aircraft Drawings

AM.I.B.S4

Skill

Identify changes on an aircraft drawing.

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aviation Maintenance Technician Handbook - Airframe p. 8-15
Chapter 8: Aircraft Painting & Finishing › Masking & Applying the Trim › Masking for the Trim
aircraft as close to scale as possible. It is much easier to change a drawing than to remask the aircraft. Start by identifying a point on the aircraft from which to initiate the trim lines using the Fine Line tape…
Aviation Maintenance Technician Handbook - General p. 7-5
Chapter 7: Aircraft Materials, Hardware, & Processes › Aircraft Metals › Aluminum & Aluminum Alloys
castings) • Wrought alloys (those which may be shaped by rolling, drawing, or forging). Of these two, the wrought alloys are the most widely used in aircraft construction, being used for stringers, bulkheads, skin, rivets, and extruded sections. Aluminum casting alloys ... changed after the metal is cast. In the other, the alloying elements make it possible to heat-treat the casting to produce the desired physical properties. Figure 7-2. Wiring assembly schematic. A letter preceding the alloy number identifies…
Aviation Maintenance Technician Handbook - General p. 4-19
Chapter 4: Aircraft Drawings › Reading and Interpreting Drawings
used to excellent advantage when needed to show the shape of an object. Typical shape symbols used on aircraft drawings are shown in Figure 4-28. Shape symbols are usually shown on a drawing as a revolved or removed section ... Electrical Symbols Electrical symbols represent various electrical devices rather than an actual drawing of the units. [Figure 4-29] Having learned what the various symbols indicate, it becomes relatively simple to look at an electrical diagram and determine what each…