339H 4
- Radio Altitude Indicator used with ALT-50/A Radar Altimeter Systems
- Provides visual display of aircraft height above terrain during approach phase of flight
- Provides decision height selection and indication when aircraft descends to selected decision height
- Self-test switch provided to test radar altimeter system, excluding antennas
- Altitude scale of -20 to 2000 ft. designed to be used in fixed-wing aircraft applcations
- Models available with black or gray bezel, flat bezel or bezel with raised bright metal ring trim (see table below)
- Models available with 5 or 28V dc blue-white lighting (see table below)
| DIMENSIONS | 3.375"W x 3.210"H x 4.50"L |
|
ALTITUDE RANGE |
from -1000 to 50000 feet |
|
ARINC SPECIFICATION |
408 |
|
ENVIRONMENTAL |
DO-138, DAPAAAXXXXXX |
|
RTCA DOCUMENT |
DO-138, DO-123 |
| TSO | C87 |
| PART NUMBER | DESCRIPTION |
| 622-1204-001 | Gray flat bezel, 28V dc blue-white lighting |
|
622-1204-002 |
Gray flat bezel, 5V dc blue-white lighting |
|
622-1204-003 |
Black bezel with raised bright metal trim ring, 28V dc blue-white lighting |
|
622-1204-004 |
Black bezel with raised bright metal trim ring, 5V dc blue-white lighting |
|
622-1204-005 |
Gray bezel with raised bright metal trim ring, 28V dc blue-white lighting |
|
622-1204-006 |
Gray bezel with raised bright metal trim ring, 5V dc blue-white lighting |
|
622-1204-007 |
Gray bezel with raised painted metal trim ring, 5V dc blue-white lighting |
|
622-1204-008 |
Black bezel with raised bright metal trim ring, 5V dc blue-white lighting |
|
622-1204-010 |
Black bezel with raised bright metal trim ring and sloping portion of bezel painted gray, 5V dc blue-white lighting |