11.2 / 11.3.1 Flashcards
Subpart C
Structure
Subpart D
Design
Safe life
Requires structural elements be replaced after a fixed number of cycles
Damage tolerance
Ensures damage found and repaired before strength is below a min level
Lighting prevention
Require electrical contact between all metalic and composite parts
System installation provision
Consideration given to construction of fuselage
Eg consider wherr cables are routed through
Drainage
Fuselage drain valves used
They are opened when plane is unpressurised
Primary construction
Consists of those parts of an aircraft that bear loads
Secondary construction
Gives the aerodynamic shape to aircraft
Primary structure
Structure that if fails plane will suffer catastrophic failure
Secondary
If fail wont cause catostrophic failure
Buttock lines
X co ordinate
Body lines
Y co ordinate
Water lines
Z co ordinate
Zonal identification system
100: lower fuselage
200: upper fuselage
300: stabilisers
400: nacelles
500: left wing
600: right wing
700: landing gear
800: doors
