Tetrahedron A device normally located on uncontrolled airports and used as a landing direction indicator. The small end of a tetrahedron points in the direction of landing. At controlled airports, the tetrahedron, if installed, should be disregarded because tower instructions...
Aero Linx: The International Cessna 120-140 Association The International Cessna 120-140 Association is an all volunteer group of approximately 1,000 owners, pilots and others who share a common interest in restoring, maintaining and flying the Models 120, 140 and 140A...
Automatic Carrier Landing System U.S. Navy final approach equipment consisting of precision tracking radar coupled to a computer data link to provide continuous information to the aircraft, monitoring capability to the pilot, and a backup approach system.
Landing Minimums The minimum visibility prescribed for landing a civil aircraft while using an instrument approach procedure. The minimum applies with other limitations set forth in 14 CFR Part 91 with respect to the Minimum Descent Altitude (MDA) or Decision...
Multicom A mobile service not open to public correspondence used to provide communications essential to conduct the activities being performed by or directed from private aircraft.