Instruments & Avionics

Question 1

Inspection period for radios

Answer 1

Within the preceding 24 months

Question 2

Inspection period for altimeters

Answer 2

Within the preceding 24 months, or

Following opening and closing of static system (except for the use of system drain and alternate static pressure valves, or where self-sealing disconnect coupling is provided, or

Following installation of, or maintenance on, the automatic pressure altitude reporting system where data correspondence error could be introduced.

Question 3

Inspection period for transponders

Answer 3

Within the preceding 24 months

Question 4

Inspection period for the ELT

Answer 4

Within the preceding 12 months, or

The aircraft manufacturers 100 hour (or equivalent) inspection, or

Under maintenance program intervals of not more than 12 months