Atlantis Avionics ARA-552
Radio Altimeter Test Set
108.000 MHz – 117.975 MHz (VOR/ILS), 118.000 MHz – 136.975 MHz (COM) Frequency Range
25 kHz / 8.33 kHz selectable Channel Spacing
10 W nominal (COM transceiver) Transmitter Power Output
-107 dBm at 12 dB SINAD Receiver Sensitivity
Sunlight-readable LCD with dual frequency display (active/standby) Display Type

| Attribute | Value |
|---|---|
| Frequency Range | 108.000 MHz – 117.975 MHz (VOR/ILS), 118.000 MHz – 136.975 MHz (COM) |
| Channel Spacing | 25 kHz / 8.33 kHz selectable |
| Transmitter Power Output | 10 W nominal (COM transceiver) |
| Receiver Sensitivity | -107 dBm at 12 dB SINAD |
| Display Type | Sunlight-readable LCD with dual frequency display (active/standby) |
| Power Supply Input | 11 V – 33 V DC (compatible with 14 V and 28 V aircraft electrical systems) |
| Current Consumption | Receive: 0.9 A @ 14 V; Transmit: 4.5 A @ 14 V |
| Operating Temperature Range | -20°C to +55°C (-4°F to +131°F) |
| TSO / Certification | TSO-C37e, TSO-C38e, TSO-C119b, FAA approved |
| Dimensions (W x H x D) | 6.25 in x 2.00 in x 10.50 in (158.75 mm x 50.80 mm x 266.70 mm) |
| Model | Avionics |
|---|
The Atlantis Avionics ARA-552 Radio Altimeter Test Set facilitates testing of analogue altimeters by providing simulated aircraft radio altitude information in a flight-line environment. The ARA-552 Analog Adapter allows testing of aircraft autoland systems, ground proximity warning systems, and installed altimeter systems




