Glossary

Relative Bearing Indicator: The Relative Bearing Indicator is an arrow next to the Bearing value that indicates an approximate bearing to a waypoint or airspace relative to the aircraft’s current track when your current ground speed is more than 5 knots.

RW: Runway Fix. A code appended to a waypoint in the database that may not appear on a published map.

SSecond: 1/60th of a minute of a degree.

Seed Position: A latitude and longitude position fix approximately equal to the current position that the Apollo GX uses to determine the location of available satellites from which signals may be received.

Selective Availability (SA): The degradation of accuracy of GPS position fix data by the United States Department of Defense for civilian use.

Space Vehicle (SV): A GPS satellite.

Statute Mile: A distance measurement equal to 5,280 feet or 0.87 of a nautical mile.

TThree-dimensional (3D) Position Fix: A position fix defined by latitude, longitude, and altitude.

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