Index | Equipment | Items | Method | Criteria | Requirement |
---|---|---|---|---|---|
Comm. antenna | VHF-FM Radio | Radiation pattern (rotary wing) | Measure received power at 1 degree intervals using ground system by circular or cloverleaf turns | Null point (difference in the level between maximum and minimum | AMCP 706-203 UH-60 PIDS |
Communication check (fixed wing) | Communication check by circular or cloverleaf turns | Communication intelligibility | ACP 131 (F) QRK-QSA Reports ANSI/ASA S3.2 | ||
IFF antenna | IFF | Coverage | Check PIN (platform identification number) and NO (national origin) in flight drawing eight pattern | Reception PIN number and no without drop-out | AIMS 1103 (transponder) |
Naviga. antenna | VOR/ILS | Received power | Measure antenna reception level under operating condition of airport | Reception power above sensitivity level | AC 00-31A ICAO Annex 10 Equipment sensitivity |
Marker Beacon | Normal operation | Check normal operation for navigation equipment (∵Since the antenna is working normally, the equipment also operates normally) | Normal operation of the instrument panel | Restriction on narrow operating angle | |
GPS | Restriction on GPS reception level | ||||
TCAS | Restriction on flight stability | ||||
DME/TACAN | Restriction on flight stability | ||||
RALT | Restriction on flight stability |