Seemingly accurate update, even with nautical miles included ..
1930 local time makes it another hour before the two are reached. 14 kms from Higginsville would most certainly make the crash site, the Lake.
They might have avoided vegetation on that basis, but the lake is treacherous and can hardly be walked on for the depth and stickiness of the mud. It most certainly can't be driven on, except by specialised tracked vehicles.
Pilot and passenger injured in plane crash