Radar Altimeter, AN/APN-1

JAN Type: AN/APN-1
Nomenclature: Radar Altimeter
Reference: AN 08-30APN1-2, NAVAER 08-5S-12, -15, -47, AN -8-10-186
Components: RT-7/APN-1 Transmitter-Receiver, ID-14/APN-1 Altitude Indicator, SA-1/ARN-1 Altitude Limit Switch, 2 ea AT-4/ARN-1 Antenna Assembly.
Weight: 24.35
Mode: FM
Frequency Range: 440 MHz
Power Input: 27.5 VDC 67 W
Power Output: 0.1 W
Part of: APN-1
Antenna: AT-4
Description: Radar Altimeter APN-1 is an airborne FM radio altimeter providing direct indication of altitude relative to the underlaying terrain when flying within the range 0 tp 4000 feet (APN-1) or 0 to 400 feet (ARN-1). In conjunction with a suitable automatic pilot the equipments may be used to control the altitude of flight in multiples of 25 feet (APN-1 & ARN-1) or 250 feet (APN-1) between the limits 50 and 300 feet (ARN-1) or 50 and 3000 feet (APN-1). Altitude is indicated on a meter.
Source: US Radar Survey, 44
Manufacturer: Admiral, Detrola, RCA and War Supplies, Ltd.
Created: Mon Apr 9 19:54:09 2001
Last Modified: Sun Apr 27 08:03:54 2003

Radar Altimeter, AN/APN-1A

JAN Type: AN/APN-1A
Nomenclature: Radar Altimeter
Reference: AN 08-30APN1-2, NAVAER 08-5S-12, -15, -47, AN -8-10-186
Components: RT-7/APN-1 Transmitter-Receiver, ID-14/APN-1 Altitude Indicator, SA-1/ARN-1 Altitude Limit Switch, 2 ea AT-4/ARN-1 Antenna Assembly.
Weight: 24.35
Mode: FM
Frequency Range: 440 MHz
Power Input: 27.5 VDC 67 W
Power Output: 0.1 W
Part of: APN-1A
Antenna: AT-4
Description: Radar Altimeter APN-1A is an airborne FM radio altimeter providing direct indication of altitude relative to the underlaying terrain when flying within the range 0 tp 4000 feet (APN-1) or 0 to 400 feet (ARN-1). In conjunction with a suitable automatic pilot the equipments may be used to control the altitude of flight in multiples of 25 feet (APN-1 & ARN-1) or 250 feet (APN-1) between the limits 50 and 300 feet (ARN-1) or 50 and 3000 feet (APN-1). Altitude is indicated on a meter. APN-1A has a different indicator than APN-1.
Source: US Radar Survey, 44
Manufacturer: Admiral, Detrola, RCA and War Supplies, Ltd.
Created: Mon Apr 9 19:54:09 2001
Last Modified: Mon Apr 9 19:54:09 2001

Radar Altimeter, AN/APN-1B

JAN Type: AN/APN-1B
Nomenclature: Radar Altimeter
Reference: AN 08-30APN1-2, NAVAER 08-5S-12, -15, -47, AN -8-10-186
Components: RT-7/APN-1 Transmitter-Receiver, SA-1/ARN-1 Altitude Limit Switch, 2 ea AT-4/ARN-1 Antenna Assembly.
Weight: 24.35
Mode: FM
Frequency Range: 440 MHz
Power Input: 27.5 VDC 67 W
Power Output: 0.1 W
Part of: APN-1B
Antenna: AT-4
Description: Radar Altimeter APN-1B is an airborne FM radio altimeter providing direct indication of altitude relative to the underlaying terrain when flying within the range 0 tp 4000 feet (APN-1) or 0 to 400 feet (ARN-1). In conjunction with a suitable automatic pilot the equipments may be used to control the altitude of flight in multiples of 25 feet (APN-1 & ARN-1) or 250 feet (APN-1) between the limits 50 and 300 feet (ARN-1) or 50 and 3000 feet (APN-1). Altitude is indicated on a meter. APN-1B does not include the indicator..
Source: US Radar Survey, 44
Manufacturer: Admiral, Detrola, RCA and War Supplies, Ltd.
Created: Mon Apr 9 19:54:09 2001
Last Modified: Mon Apr 9 19:54:09 2001

Radar Altimeter, AN/APN-1C

JAN Type: AN/APN-1C
Nomenclature: Radar Altimeter
Reference: AN 08-30APN1-2, NAVAER 08-5S-12, -15, -47, AN -8-10-186
Components: RT-7/APN-1 Transmitter-Receiver, ID-14/APN-1 Altitude Indicator, SA-1/ARN-1 Altitude Limit Switch, 2 ea AT-4/ARN-1 Antenna Assembly.
Weight: 24.35
Mode: FM
Frequency Range: 440 MHz
Power Input: 27.5 VDC 67 W
Power Output: 0.1 W
Part of: APN-1C
Antenna: AT-4
Description: Radar Altimeter APN-1C is an airborne FM radio altimeter providing direct indication of altitude relative to the underlaying terrain when flying within the range 0 tp 4000 feet (APN-1) or 0 to 400 feet (ARN-1). In conjunction with a suitable automatic pilot the equipments may be used to control the altitude of flight in multiples of 25 feet (APN-1 & ARN-1) or 250 feet (APN-1) between the limits 50 and 300 feet (ARN-1) or 50 and 3000 feet (APN-1). Altitude is indicated on a meter.
Source: US Radar Survey, 44
Manufacturer: Admiral, Detrola, RCA and War Supplies, Ltd.
Created: Mon Apr 9 19:54:09 2001
Last Modified: Mon Apr 9 19:54:09 2001

Radar Altimeter, AN/APN-1X

JAN Type: AN/APN-1X
Nomenclature: Radar Altimeter
Reference: AN 08-30APN1-2, NAVAER 08-5S-12, -15, -47, AN -8-10-186
Components: RT-40/APN-1 Transmitter-Receiver, ID-14/APN-1 Altitude Indicator, SA-1/ARN-1 Altitude Limit Switch, 2 ea AT-4/ARN-1 Antenna Assembly.
Weight: 24.35
Mode: FM
Frequency Range: 440 MHz
Power Input: 13.5 VDC 67 W
Power Output: 0.1 W
Part of: APN-1C
Antenna: AT-4
Description: Radar Altimeter APN-1X is an airborne FM radio altimeter providing direct indication of altitude relative to the underlaying terrain when flying within the range 0 tp 4000 feet (APN-1) or 0 to 400 feet (ARN-1). In conjunction with a suitable automatic pilot the equipments may be used to control the altitude of flight in multiples of 25 feet (APN-1 & ARN-1) or 250 feet (APN-1) between the limits 50 and 300 feet (ARN-1) or 50 and 3000 feet (APN-1). Altitude is indicated on a meter. The APN-1X differs from other models in requiring 14 VDC power and using a different Transmitter-receiver.
Source: US Radar Survey, 44
Manufacturer: Admiral, Detrola, RCA and War Supplies, Ltd.
Created: Mon Apr 9 19:54:09 2001
Last Modified: Mon Apr 9 19:54:09 2001


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