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9th July 2003, 08:18 AM

Thomas Borchert wrote:
>>Wait! He can use a GPS in place of the ADF on that approach. Isn't that
>>correct?

> I think so. But: Does the GPS need to be certified? If so (and I think so),
> does it need to be approach certified or is enroute sufficient?

Certified, enroute/terminal suffices

Sydney

9th July 2003, 08:18 AM	#4 (permalink)
Sydney Hoeltzli Guest Posts: n/a Classified Rating: % ()	Why is ADF required on ILS approach? Thomas Borchert wrote: >>Wait! He can use a GPS in place of the ADF on that approach. Isn't that >>correct? > I think so. But: Does the GPS need to be certified? If so (and I think so), > does it need to be approach certified or is enroute sufficient? Certified, enroute/terminal suffices Sydney