NFC Learning

“proficiency check” means a demonstration of skill to revalidate or renew a flight
crew licence rating and including such oral examination as the examiner may
require

Profile. The orthogonal projection of a flight path or portion
thereof on the vertical surface containing the nominal
track.

Prognostic chart. A forecast of a specified meteorological element(s) for a specified time or period and a specified surface or
portion of airspace, depicted graphically on a chart.

“prohibited area” means airspace of defined dimensions designated by the appropriate
authority above the land areas of the country or territorial waters thereof, within which the
flight of aircraft is prohibited by such authority;

Protected flight zones. Airspace specifically designated to mitigate the hazardous effects of laser radiation.

Protected service volume. A part of the facility coverage where the facility provides a particular service in accordance with
relevant SARPs and within which the facility is afforded frequency protection.

Protection area. An area within a taxi-route and around a helicopter stand which provides separation from objects, the FATO,
other taxi-routes and helicopter stands, for safe manoeuvring of helicopters.

PSR blip. The visual indication, in non-symbolic form, on a
radar display of the position of an aircraft obtained by
primary radar.

“psychoactive substances” means alcohol, opoids, cannabinoids, sedatives and
hypnotics, cocaine, other psychostimulants, hallucinogens and volatile solvents,
whereas coffee and tobacco are excluded

Public authorities. The agencies or officials of a Contracting State responsible for the application and enforcement of the
particular laws and regulations of that State which relate to any aspect of these Standards and Recommended Practices