Please disregard - this was from 2 days ago.
On Apr 6, 2010, at 7:43 PM, Peter Brown wrote:
> First email never arrived to the list....
> Might be a question for Pigeon, rather than apt.dat or nav.dat....
>
>
> Begin forwarded message:
>
>> From: Peter Brown <pe...@smoothwatersports.com>
>> Date: April 4, 2010 10:36:05 AM EDT
>> To: FlightGear developers discussions
>> <flightgear-devel@lists.sourceforge.net>
>> Subject: mpmap ILS approach data
>>
>> Perhaps this has been brought up before, but I see that the ILS "beam" data
>> for each airport on the mpmap is derived from the runway alignment in
>> taxidraw. This doesn't allow for magnetic deviation, and therefore all the
>> course headings are incorrect.
>>
>> Example at KBTV, runway 15 -
>> mpmap ILS course 130.92 degrees
>> Flightaware ILS approach plate, 146 degrees.
>>
>> KJFK, runway 31L -
>> mpmap ILS course; 301 degrees
>> Flightaware ILS approach plate; 315 degrees.
>>
>> I have not looked at the 850 airport format, but is there a way in any of
>> the apt.dat data to specify ILS approach data accurately? Currently the
>> heading data is misleading - it would be better to not have it shown than
>> have it incorrect in my opinion.
>>
>> Thanks!
>> Peter
>>
>
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