F.u.n.k.e. BFI57, Operation And Installation

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BFI57 / P/N BFI57-(xxx)-(xxx)
Operation and Installation
Document-No.: 08.510.010.71e/ Revision: 3.10 34
Flight Status
This information will be sent with about 1 Hz rate.
Change in flight state may be delayed up to 10 seconds. The takeoff and
landing time, however, are then reported taking the delay into account
(indicating events a few second ago, and therefore not being in-line with
the GPS time stamps).
When on ground, data for last flight is transmitted until power-down.
When powered on while on ground, empty data is transmitted until
takeoff.
A new takeoff overwrites the data from a previous flight, including landing
time.
$PFA,FLT,f,s,dddddd,tttt,u,llll,v,aaaaaa*hh
FLT fixed string, identifying flight status message
f flight status: F = in flight
G = on ground
s determination source for flight status, I for IAS, G for GPS
dddddd date of takeoff in format DDMMYY, empty before takeoff
tttttt time of takeoff in format HHMMSS, empty before takeoff
u reference system of takeoff time is UTC
llllll
time of landing in format HHMMSS, empty before landing
v reference system of landing time is UTC
aaaaaa duration airborne in format HHMMSS, empty before takeoff
*hh Checksum