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Model: 437X-1
Desc: Radio Altimeter Antenna
OEM: Collins Aerospace
Sched-B: 8529104040
Cage Code: 13499
Part Number :


437X-1
FEATURES
  • Radio altimeter antenna used with ALT-50 and ALT-55B radio altimeter systems
  • Used when mounting surface is relatively flat
  • Can be mounted either side by side or in line
  • Models available with different electrical gain characteristics, beam width and VSWR for various aircraft configurations (see specs and tabel below)
  • Southeast Aerospace suggests Sensor Systems' S67-2002-12 antenna as a replacement for the 437X-1
SPECIFICATIONS
FAA TSO: C87 RTCA: DO-138, DO-123
ARINC: 552 Environmental: AAAAAE
Temperature: -54 to 55C (operating) Altitude: Up to 60000 feet
Size: 7" (flange diameter), 5.2" (body diameter), 2.75" (Height) Weight: 1.0 lb. nominal
Gain: 11dB min (-002,004 units); 11.5dB min (-001 unit); 12dB min (-003 unit) Beam width: E-plane 45 +-5 deg., H-plane 40 +-10 deg., -5 deg. (-003 unit); E-plane 50 +-5 deg., H-plane 40 +-10 deg., -5 deg. (-001 unit); E-plane 60 +-5 deg., H-plane 45 +-10 deg., -5 deg. (-002,004 units)
Squint angle: 6 deg. maximum Input Impedance: 50 ohm nominal
Frequency Range: 4250 to 4350 MHz VSWR: 1.4:1 max (-002,004 units); 1.5:1 maximum (-001,003 units)
Part NumberRadio Altimeter Antenna Description:
522-4140-001 11.5 dB min Gain, Beam Width as above, 1.5:1 max VSWR
522-4140-002 11 dB min Gain, Beam Width as above, 1.4:1 max VSWR
522-4140-003 12 dB min Gain, Beam Width as above, 1.5:1 max VSWR
522-4140-004 11 dB min Gain, Beam Width as above, 1.4:1 max VSWR

 

522-4140-001
- Radio Altimeter Antenna

NSN: 5985-00-758-4548

Price Condition Status
REQUEST SV OUTRIGHT REQUEST LEAD TIME
522-4140-004
- Radio Altimeter Antenna
Price Condition Status
REQUEST SV OUTRIGHT REQUEST LEAD TIME

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