Using Google Earth and VOR's to help find Aerocaches.

Using Google Earth and VOR's to help find Aerocaches.

Google Earth uses True North and Runways & VOR's use Magnetic North.

For Hawaii.

Download KML Zip File with all Hawaiian Airports, NDB's and VOR,s by Ian Niblo (Part of the FS-X package)

When using the ruler to get heading's there is a 9.7 degrees off set with VOR's.

PHTO Runway 26 is at 260.2 degrees magnetic as shown in the airport chart on the left.

When checked in Google Earth you find the centre line of the runway is at 270 True North.

Google Earth ruler (True North) 270 - 9.8 = 260.2 MN

For Alaska.

When using the ruler to get heading's there is a 10 to 22 degrees off set with VOR's.

You can check the magnetic offset for an airport at http://skyvector.com/airports/Alaska

World Magnetic Reference Map.

Visitors since the 5 September 2001.
Pages last updated on: July 19th 2012.