On 03/10/2005 at 13:35 Melchior FRANZ wrote:

>(C) which features need to be completed?

I've got an approach-capable GPS simulation for the 2d Cessna panel almost
finished that I'd like to get into the next release if at all possible.  A
few screenshots (view at native 1024x768 resolution for best clarity)
during the GPS RWY 30 approach to Byron (C83) in the base package scenery.
Real life approach chart at:
http://www.airnav.com/depart?http://204.108.4.16/d-tpp/0510/09141G30.PDF

Selecting the initial approach fix from the airport data pages:
http://www.nottingham.ac.uk/~eazdluf/KLSN-C83-001.png

Climb out using Roy's excellent KAP140 autopilot.  Nav1 is slaved to GPS
with a full scale deflection (FSD) of 5nm at this point.  The NAV/GPS
button on the external annunciator switches the NAV1 needle deflection
source between the nav1 radio and the gps unit.
http://www.nottingham.ac.uk/~eazdluf/KLSN-C83-002.png

Message annunciation at waypoint progression.
http://www.nottingham.ac.uk/~eazdluf/KLSN-C83-003.png

GPS goes into approach-arm mode automatically 30nm from the destination
airport with an approach loaded.  FSD changes to 1nm over a 30sec period.
In real life approach-arm should be set before reaching PATYY for this
approach using the GPS APR button on the external annunciator, but I
haven't virtually wired that button up yet!
http://www.nottingham.ac.uk/~eazdluf/KLSN-C83-004.png

2nm from the final approach fix the GPS goes into approach-active mode if
everything checks out.  (Heading towards FAF, in leg mode - simulated, RAIM
monitoring OK - not simulated - assumed OK!).  FSD changes to 0.3nm over
30sec or the distance to the FAF, whichever is shorter.  If you don't get
the ACTV annunciation by the time the FAF is reached a missed approach
should be flown.
http://www.nottingham.ac.uk/~eazdluf/KLSN-C83-007.png

First glimpse of the airport 150ft above the MDA and 1.4nm from the missed
approach point.  Make sure the threshold is properly and continuously in
sight before transitioning to visual.
http://www.nottingham.ac.uk/~eazdluf/KLSN-C83-008.png

Landing - we can ignore the instruments now :-)
http://www.nottingham.ac.uk/~eazdluf/KLSN-C83-009.png

Cheers - Dave








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