Flight History Retrieval Process
•Flight History information is stored in the EGPWS in a specific area of the
•Data can be downloaded via PCMCIA or CF card
-Card must be programmed with special instruction file
-Process similar to terrain database upload, requires < 5 minutes
-Cards available upon request from Honeywell Engineering
-Data is encrypted
•Decoding of encrypted information is done by Honeywell ell
using proprietary tools, tools are not distributed
•If unit is damaged:
-Circuit boards can be placed in donor units or fixtures
-Memory chips can be removed and data retrieved via chip reader
Honeywell can accept data directly from chip reader
Occasionally memory chips are damaged and unreadable
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