89000046-014 KSN 780/8XX/900 AeroNav AML STC Installation Manual for Helicopters
Rev 0 Page 1-3
© Honeywell International Inc. Do not copy without express permission of Honeywell.
1.4.2.3 AeroNav 780/800 Display Specifications
Display Size 4.8 inches diagonal
Active Area 4.53 inches (w) x 1.70 inches (h)
Resolution 640x480 pixels
Viewing Angle AeroNav 780/800 Designed and Tested Limits:
Left/Right: 45°
Up: 35°
Down: 35°
LCD Specification:
Left/Right: 80°
Up: 80°
Table 13 AeroNav 780/800 Display Specifications
1.4.2.4 AeroNav 780/800 GPS Specifications
Channels 16 channels (13 GPS, 3 GPS/WAAS/SBAS)
Velocity 1000 knots maximum (below 60,000 ft)
TTFF (Time to First Fix) 150 seconds
Reacquisition 20 seconds
Position Update Interval 0.2 seconds (5 Hz)
PPS Signal (Time Mark) (UTC Epoch) +100ns ± 50ns over all conditions 1 sec ±75ns
between pulses
Lat/Long Position Accuracy 3.4 meters
Fault Detection/RAIM RAIM/FDE WAAS Beta 3 Compliant @ 5 Hz
Sensitivity -123 dBm
GPS System Design Assurance (SDA) DO-178B Level B, DO-254 Level B
GPS Source Integrity Level (SIL) 3 – Enroute
Source Integrity Level Supplement
(SIL
SUPP
)
0 – “per hour”
Navigation Accuracy Category
Velocity (NAC
V
)
Category 3 [< 1 m/s]
ADS-B installations should use a NACv of 1 unless GPS tests
support a higher category. The AXP340 requires a NACv of
Category 1 [< 10 m/s] or better.
Receiver Class TSO-C146d Class Gamma 3 receiver that complies with AC 20-
138C
Table 14 AeroNav 780/800 GPS Specifications
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