10/5/23
Pilot/Controller Glossary
PROHIBITED AREA
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(See SPECIAL USE AIRSPACE.)
(See ICAO term PROHIBITED AREA.)
PROHIBITED AREA [ICAO]
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An airspace of defined dimensions, above the land areas or territorial waters
of a State, within which the flight of aircraft is prohibited.
PROMINENT OBSTACLE– An obstacle that meets one or more of the following conditions:
a.
An obstacle which stands out beyond the adjacent surface of surrounding terrain and immediately projects
a noticeable hazard to aircraft in flight.
b.
An obstacle, not characterized as low and close in, whose height is no less than 300 feet above the departure
end of takeoff runway (DER) elevation, is within 10 NM from the DER, and that penetrates that airport/heliport’s
diverse departure obstacle clearance surface (OCS).
c.
An obstacle beyond 10 NM from an airport/heliport that requires an obstacle departure procedure (ODP)
to ensure obstacle avoidance.
(See OBSTACLE.)
(See OBSTRUCTION.)
PROPELLER (PROP) WASH (PROP BLAST)
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The disturbed mass of air generated by the motion of a
propeller.
PROPOSED BOUNDARY CROSSING TIME
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Each center has a PBCT parameter for each internal airport.
Proposed internal flight plans are transmitted to the adjacent center if the flight time along the proposed route
from the departure airport to the center boundary is less than or equal to the value of PBCT or if airport adaptation
specifies transmission regardless of PBCT.
PROPOSED DEPARTURE TIME
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The time that the aircraft expects to become airborne.
PROTECTED AIRSPACE
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The airspace on either side of an oceanic route/track that is equal to one-half the
lateral separation minimum except where reduction of protected airspace has been authorized.
PROTECTED SEGMENT- The protected segment is a segment on the amended TFM route that is to be inhibited
from automatic adapted route alteration by ERAM.
PT
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(See PROCEDURE TURN.)
PTP
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(See POINT
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TO
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POINT.)
PTS
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(See POLAR TRACK STRUCTURE.)
PUBLIC AIRCRAFT OPERATION (PAO)
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A UAS operation meeting the qualifications and conditions
required for the operation of a public aircraft.
(See AC
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1.1)
(See AIM)
PUBLISHED INSTRUMENT APPROACH PROCEDURE VISUAL SEGMENT
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A segment on an IAP chart
annotated as “Fly Visual to Airport” or “Fly Visual.” A dashed arrow will indicate the visual flight path on the
profile and plan view with an associated note on the approximate heading and distance. The visual segment
should be flown as a dead reckoning course while maintaining visual conditions.
PUBLISHED ROUTE
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A route for which an IFR altitude has been established and published; e.g., Federal
Airways, Jet Routes, Area Navigation Routes, Specified Direct Routes.
PWS
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(See PREDICTIVE WIND SHEAR ALERT SYSTEM.)
PCG P
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