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Flight History Retrieval Process
• Flight History information is stored in the EGPWS in a
specific area of the non-volatile memory
Data can be downloaded via PCMCIA or CF card
•
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 encr pted information is done b Hone ell
•
Decoding
of
encr
y
pted
information
is
done
b
y
Hone
yw
ell
using proprietary tools, tools are not distributed
•
If unit is damaged:
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
9
File Number
Honeywell
can
accept
data
directly
from
chip
reader
Occasionally memory chips are damaged and unreadable