Harry K wrote:

The plane crashed into a dense stand of trees about four hours later,
1.5 miles NW of the runway's approach....

The cloud ceiling was 100 feet overcast and visibility was a quarter
mile, said NTSB Investigator-In-charge Orrin K. Anderson....

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I didn't know GPS could be used as a landing aid.

Harry K

Yes you can and there is a GPS approach for rwy 28 there. BUT the MDA is
600-1 at best.