General Information General Flight Information. Minimum Safe Flight Levels on specified tracks in Sondrestrom FIR is determined every 12 hours and available from Sondrestrom Information or Narsarsuaq Information. Minimum Safe Flight Level on track 62N040W - NA is usually FL130. Minimum Safe Flight Level on track SI - NA is usually FL100.
Separation is pilots responsibility.
They are not maintained, and the surface should be carefully inspected before landing. There are no navigational aids, no buildings or people present, and no communication facilities. Positions are approximately and not with reference to WGS 84. In bad weather you may have to wait several days for help, and to survive you need to conserve energy. Efficient sleeping bags can be a great help.