Apollo 65 - Manual (Page 308)

Hold: Waypoint sequencing is disabled or
suspended. A hold may be automatically or manually
activated. This should not be confused with a
“holding pattern.” Pressing the OBS/HLD key
suspends waypoint sequencing.
I IAF: Initial Approach Fix.
Identifier: A name, typically abbreviated, assigned to
a waypoint. The identifier may consist of numbers
and alpha characters, up to six in length. For example,
the airport identifier for Los Angeles International
Airport is LAX.
IFAF: Initial and Final Approach fix. A combined
Initial and Final approach Fix with no intermediate
waypoints.
IFR: Instrument Flight Rules
Intersection (INT): A point defined by any
combination of courses, radials, or bearings of two or
more navigational aids.
K Knot (kt): A unit of speed equal to one nautical mile
per hour.
L Latitude (Lat): Any line circling the earth parallel to
the equator, measured in degrees, minutes, and
seconds north and south of the equator.
LFAC: Landing FACility.
Longitude (Lon): Any line from the north to the
south pole, measured in degrees, minutes, and
seconds of a circle, east or west of the Prime Meridian
(Greenwich, England).
M MA: Missed Approach Point. A code appended to a
waypoint in the database that may not appear on a
published map.
15-6
Glossary