PRM

PRM
Probability of Occurrence Classifications
Probable Failure Conditions ...

PRM. See precision runway monitor.
Procedure turn. A maneuver prescribed when it is necessary to reverse direction to establish an aircraft on the intermediate approach segment or final approach course.

PRM-
(See ILS PRM APPROACH and PRECISION RUNWAY MONITOR.)
PROCEDURE TURN- The maneuver prescribed when it is necessary to reverse direction to establish an aircraft on the intermediate approach segment or final approach course.

ILS PRM (Precision Runway Monitor)
Requirements
Parallel runways with simultaneous IFR approach
NTA (No transgression zone between runways
Faster, better real-time radar in place.

See also: Monitor, Airport, Weather, Flight, Aircraft