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RAAS
Does it work without GPS?
thx |
Right Ascension of Apparent Sun
No. GPS not required. Just a bubble sextant.
Sorry mate. I just had to do it. |
thx.........
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RAAS System description indicates that GPS is required.
RAAS Known issues discusses GPS input in the context of high accuracy position information. |
PEI 3721
Thx for your input. The aeroplane I fly has no GPS but RAAS. In the meanwhile I received some valueable info from Honeywell about architecture of RAAS. Looks like EGPWS, which is feeding RAAS, has it's own GPS receiver. My FCOM is very thin about that stuff. regards |
Ah, one of my pet projects at our carrier.....
It is EXTREMELY IMPORTANT to have a direct GPS feed to one's EGPWS. Even an FMS with GPS position input/feed will not provide maximum protection. Do a search on this forum or read: http://www.flightsafety.org/asw/aug0...g08_p18-20.pdf This article was written by Mr. Don Bateman, a gentleman who all professional pilots owe a debt of gratitude....he is the person who invented GPWS and EGPWS. Flight Safety Foundation 1997 AW&ST Award Citation for Bateman |
Shore Guy,
thx I'll have a look at it. Look at this Honeywell Info PART NUMBER EGPWS TYPE UNIQUE CHARACTERISTICS 965-1180-020 MK VI 28 VDC, no GPS, Upgraded Processor 965-1190-020 MK VI Internal GPS receiver, Upgraded Processor 965-1210-020 MK VIII 28 VDC, extended memory, no GPS, Upgraded Processor 965-1220-020 MK VIII Internal GPS receiver, extended memory, Upgraded Processor |
Informative advertising tool from honeywell tell you all about it. But does need GPS either internal or external
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