표 2. | Table 2. 통신․항법 안테나 체계 비행시험 항목 및 방법 | The items and methods of system flight test for communication and navigation antennas.

Index Equipment Items Method Criteria Requirement
Comm. antenna VHF-FM RadioU/VHF-AM 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