10.7✅ Flashcards
1
Q
Basic set of tasks may be performed every —- hours
A
200
2
Q
As flight hour increase, what happens to the tasks required
A
Increases
3
Q
Explain A check
A
- performed approx every 500-800 flight hours (or 200-400 cycles)
- 20-50 man hours required (usually performed overnight at gate/hangar)
4
Q
Explain a B check?
A
- performed approx every 4-6 months
- 150 man hours
- usually performed within 1-3 days within a hangar environment
5
Q
Explain a C check?
A
- performed approximately every 20-24 months
- requires up to 6000 man hours
- usually performed in hangar (generally 1-2) weeks
6
Q
Explain a D check?
A
- performed every 5 years
- 50000 man hours (can take up to 2 months in hangar facility)
7
Q
On average, how many D checks does a aircraft undergo before it is retired
A
2-3
8
Q
What are airworthiness directives (ADs)?
A
- they are issued to address unsafe conditions
9
Q
Explain sensitive security airworthiness directives (SSAD)?
A
- is an AD issued or adopted by UK CAA that mandates certain corrective actions
- must be done on a ‘need to know’ basis
10
Q
What is a service bulletin (SBs)?
A
- increases efficiency of aircraft by modifying certain aspects of
11
Q
Can SBs sometimes be mandatory by relevant airworthiness directive (AD)?
A
Yes
12
Q
Explain a ‘alert SB’
A
- issued on matters that require urgent attention of the operator
13
Q
Explain a Standard SB
A
- issued where the use of alert service bulletins is not required
14
Q
Explain a engine conversion SB
A
- conversion service bulletins will be issued to provide operators with necessary information to convert engine models
15
Q
Explain a service information (SIL)?
A
-Document used by manufacturers
- gives ‘useful information’ about their products which can enhance safety, reliability or reduce repetitive costs etc
