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RA 4000 RADAR Altimeter

RA 4000 RADAR Altimeter


Item:   FF 4000
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RA-4000 Radar Altimeter

For critical flight regimes, the new TSO-certified RA-4000 Radar Altimeter provides today’s pilots with highly accurate and reliable above-ground-level (AGL) information. This real-time system enhances operational safety during approaches, nighttime operations, and hazardous flight above rough terrain.

One of our newest radar altimeters, the RA-4000 is especially valuable when flying search and rescue missions, forestry operations, pipeline maintenance, off shore helicopter ops, aero-medical emergency services, border patrol, and electronic news gathering operations. The RA-4000 Radar Altimeter is designed to be easily integrated with electronic flight information systems (EFIS), flight director systems, and terrain awareness and warning systems (TAWS), possessing serial inputs.

Proven and precise, the RA-4000 offers improved situational awareness for a broad range of fixed and rotary wing aircraft. Designed for applications where accuracy is needed down to zero feet, such as helicopter and seaplane operations, the RA-4000 provides precise AGL information from 2000 feet down to ground level.
  • Altitude Range: -20 to 2500 ft.
  • Power: 20 - 36 VDC; 400 mA MAX @ 28 VDC
  • Environmental: -67°F to +158°F (-55°C to 70°C)
  • Alt: 50,000 ft. (15,200 m)
  • Size (HxWxL): 3.06 x 3.15 x 6.78 in. (7.8x8.0x17.2 cm)
  • Weight: Unit: 1.9 lbs. (0.86 kg)
  • Ant. (2): 0.37 lbs. (0.17 kg)
  • Antenna(s): Dual; response angles up to ±20° pitch,±30° roll
  • Transmitter Power: 100 mW minimum out of transmitter
  • Frequency: Frequency modulated continuous wave; 4.3-GHz center frequency sweep, 4.25; to 4.35 GHz
  • Update Rate: 25 times/sec.
  • Altitude Accuracy: 0 to 100 ft. ±3 ft.; 100 to 500 ft. ±3%; 500 to 2500 ft. ±5%
  • Display Disable: Strut switch inputs
  • Self-test: Power-on self test and recurring built-in test
  • Interface
  • Inputs: Strut Switch
  • Outputs: RS-232C, RS-485/422
  • Certifications
  • FAA Authorization: TSO-C87 Precision Equipment
  • EASA Authorization: ETSO-2C87
  • Environmental: DO-160E
  • Software: DO-178B, Level C
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