skip
*
LPIA System Description (RT-1805/APN)
Baseline:
  • Drop-in replacement for APN-194
  • Low Probability of Intercept
  • 35,000 ft Altitude Range
  • Jamming resistant
  • Improved accuracy over APN-194
  • Automatic Set Zero calibration
  • Built-In-Test (Initiated, Power-up, and Periodic)
  • Compatible with existing APN-194 indicators and antennas
  • Memory Loader Verifier System (MLVS)
RT-1805/APN
RT-1805/APN
Growth:
  • Slung Load Rejection
  • ARINC 429 (flight instruments)
  Specs:
  • Weight: 4.1 lb
  • Size: 7.34 x 3.52 x 3.125 in
  • Power: 115 VAC, 400 Hz, 35 Watts
  • MTBF: 6,800 hr
  • Interfaces: MIL-STD-1553B, F-18 serial digital, Analog interfaces for Height Indicator, Autopilot, and Range Rate
LPIA Interface




LPIA designed to replace existing APN-194 RT and interface with existing height indicators, antennas, cables, and mounts. Arrow image

Receiver/Transmitters
RT-1015/APN-194
RT-1015A/APN-194
RT-1042/APN-194
RT-1042A/APN-194

Height Indicators
ID-1760B/APN-194(V)
ID-1768B/APN-194(V)
ID-1811A/APN-194(V)
ID-1879A/APN-194(V)
ID-1880A/APN-194(V)
ID-2163A/APN-194(V)
ID-2206/APN-194(V)

Antennas
AS-1233/APN-194(V)
AS-2595/APN-194(V)
AS-2728/APN-194(V)
AS-2741/APN-194(V)
AS-2742/APN-194(V)
AS-3831/APN-194(V)


LPIA Potential Platforms




The LPIA RT-1805 Receiver/Transmitter is easily adaptable to meet the physical, electrical power and interfaces of the APN-171, APN-232, and APN-209 Receiver/Transmitters used in the aircraft listed below.
LPIA-194 -NAVY LPIA-171-NAVY LPIA-232-AIR FORCE LPIA-209-ARMY
AV-8B E-2C C-130 AH-64
C-2A H-53D/E C-141 OH-58
F/A-18C/D/E/F H-46D/E C-17  
SH-60V/F   C-5  
T-45   F-111  
    F-15  
    F-16  
    MH-53  
    OC-135  
    T-43  
    UH-1N  

Return to the LPIA home page