FAA retires two Alaska flight routes in a satellite-navigation shift

Two Alaska instrument flight routes come off the charts at 1:01 a.m. Alaska time on Oct. 29. The FAA will revoke Routes J-804R and J-889R and extend a third route, Q-10, in their place, and expects at most minor rerouting for operators who navigate around the airspace.

J-804R ran from Anchorage to the Canadian border and was routinely used, so the FAA is extending Q-10 to make up for its loss. J-889R was seldom assigned because more efficient routes existed, so it gets no replacement. Both changes reflect the FAA's broader shift from ground-based navigation toward satellite-based RNAV routes.

RNAV, or area navigation, refers to routes flown with GPS and other satellite equipment rather than by tracking signals from ground stations. A VOR/DME is one of those ground stations — a radio beacon that gives a pilot the bearing and distance to a fixed point.

The FAA wrote in the final rule that "These actions are part of a large and comprehensive airway modernization project for the state of Alaska."

That matters more in Alaska than in most places. FAA Alaska Flight Service warns that "Most of Alaska is non-radar airspace – with the exception of the Anchorage and Fairbanks terminal areas – and ATC radar coverage is limited. Pilots flying IFR must be prepared for operations in a non-radar environment, and VFR pilots must be able to navigate with limited ground references and often without the aid of radar flight-following."

Retiring ground-based routes and extending Q-10 leaves instrument-rated pilots more dependent on RNAV equipment and satellite coverage over remote terrain, with implications for route planning and contingencies. Alaska carriers and general aviation users have supported the shift as part of the modernization project, expecting more efficient routings, though operators must ensure aircraft and crews are equipped for RNAV-only flying.

Alaska News earlier covered a companion rule amending GPS route T-388 near Kodiak, effective the same day.