What approaches are in a database?

#11 January 4th 04, 08:07 AM

On 3 Jan 2004 22:58:09 -0800, (Brien K.
Meehan) wrote:

This begs the question, why do the GPS's have approaches in their
databases that you can't use?

The answer is: For Reference Only. Someone else mentioned that the
KLN94 even tells you that you can use it for reference only when you
dial it up.

Actually you can use it for more than reference. A GPS coupled to an
autopilot will fly the entire approach (even an NDB) up to the FAF.
That includes any turns or holds. If you go missed, the GPS will then
resume a coupled missed approach.

#12 January 4th 04, 08:57 PM

Brien K. Meehan wrote:

To fly VOR-only or LOC
or ILS or NDB approaches you need to use the avionics for those approaches,
not a GPS.

Legally yes. But really, why wouldn't you fly an NDB approach with a
terminal/enroute only box, even if you didn't have an ADF?

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