CAA NZ AME Instruments Practice Questions - CAA NZ Aircraft Maintenance Engineer Licence Examination - Subject 12 Instruments Exam

Pitot drain holes must be temporarily sealed with approved tape or plugs before applying test pressure and removed immediately after testing. Drain holes must remain open to allow water to vent during the pressure test. Drain holes are permanently sealed with epoxy during installation. Test pressure must be applied directly through the drain hole while plugging the main entry tip.