139.235 requires an ATI to be conducted at 12 month intervals and 139.240 lists what persons are eligible to conduct ATI’s.
David is qualified to conduct inspections of all those elements covered in ATI except the
instrument survey of the approach, take-off and transitional surfaces and the electrical
testing of the aerodrome lighting and electrical reticulation systems, including the visual approach slope indicator,
any earthing points at the aerodrome and stand-by and emergency aerodrome lighting.
The instrument survey must be conducted by a technically qualified survey practitioner experienced in OLS surveys and the electrical testing conducted by a licensed electrician or electrical engineer.
AITS has successfully conducted ATI at the following certified aerodromes: