Chapter 1 - Aircraft Structures Flashcards
What is the longitudinal reference line called, and what is its prefix?
Stations
Prefix X
Where is the longitudinal reference line datum position?
Forward of the nose
What is the lateral reference line called, and what is its prefix?
Buttock lines
Prefix Y
What is the vertical reference line called, and what is its prefix?
Water Lines
Prefix Z
Where is the vertical reference line datum position?
Below the airframe, in line with the ramp
Name the Flight Servicing zonal areas
100 - Cockpit 200 - Centre and lower fuselage (LH&RH) 300 - Rear fuselage 400 - Tail unit & blades 500 - Main Transmission
Internals - cabin and cockpit
What are sub zones and sub sub zones used for?
Identifying access panels and cowlings
What do each character represent in the 5 character identification numbers?
Zone Sub Zone Sub sub zone Primary identifier Locator
List the 5 locator letters and their meanings
T - Top B - Bottom L - Left of, and on, the a/c centre line R - Right of a/c centre line Z - Internal
Name the 3 structure classifications
Primary
Secondary
Tertiary
Describe Primary structure
Critical for safe operation
Describe Secondary Structure
Structure that, when damaged, could become critical
Describe Tertiary Structure
Unstressed or lightly stressed parts
Give an example of tertiary structures
- Batter cover panel
- Cabin windows
Describe a composite
Sandwich structure that combines two or more materials to form a new, stiffer one
