Part #:
Model: 437X-1
Select part number above to view pricing and availability.
NSN: 5985-00-758-4548
SEA Repair Capabilities: Yes
| Price | Condition | Delivery | Action |
|---|---|---|---|
| RFQ | RFQ | RFQ |
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SEA Repair Capabilities: Yes
| Price | Condition | Delivery | Action |
|---|---|---|---|
| RFQ | RFQ | RFQ |
|
SEA Repair Capabilities: Yes
| Price | Condition | Delivery | Action |
|---|---|---|---|
| RFQ | RFQ | RFQ |
|
SEA Repair Capabilities: Yes
| Price | Condition | Delivery | Action |
|---|---|---|---|
| RFQ | RFQ | RFQ |
|
SEA Repair Capabilities: Yes
NSN: 5985-00-758-4548
| Price | Condition | Delivery | Action |
|---|---|---|---|
| RFQ | RFQ | RFQ |
|
SEA Repair Capabilities: Yes
| Price | Condition | Delivery | Action |
|---|---|---|---|
| RFQ | RFQ | RFQ |
|
SEA Repair Capabilities: Yes
437X-1
- 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
| 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 Number | Radio 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 |
| Price | Condition | Delivery |
|---|---|---|
| CALL OR RFQ | CALL OR RFQ | CALL OR RFQ |
SEA Repair Capabilities: Yes
| Price | Condition | Delivery |
|---|---|---|
| CALL OR RFQ | CALL OR RFQ | CALL OR RFQ |
SEA Repair Capabilities: Yes
| Price | Condition | Delivery |
|---|---|---|
| CALL OR RFQ | CALL OR RFQ | CALL OR RFQ |
SEA Repair Capabilities: Yes
| Price | Condition | Delivery |
|---|---|---|
| CALL OR RFQ | CALL OR RFQ | CALL OR RFQ |
SEA Repair Capabilities: Yes
NSN: 5985-00-758-4548
| Price | Condition | Delivery |
|---|---|---|
| CALL OR RFQ | CALL OR RFQ | CALL OR RFQ |
SEA Repair Capabilities: Yes
| Price | Condition | Delivery |
|---|---|---|
| CALL OR RFQ | CALL OR RFQ | CALL OR RFQ |
SEA Repair Capabilities: Yes
There are no Frequently Asked Questions at this time. Please contact us at questions@seaerospace.com if you have any questions for us to answer.
