Glossary of Terms


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P

PAPI

1. An approach path indicator system consisting of four sharp cutoff light units situated on the left side of the runway (on both sides of the runway, in the case of the military) in the form of a wing bar.

 

2. An airport lighting facility, similar to VASI, providing vertical approach slope guidance to aircraft during approach to landing.


PAR

Precision approach radar (PAR). Primary radar equipment
used to determine the position of an aircraft during final
approach, in terms of lateral and vertical deviations
relative to a nominal approach path, and in range relative
to touchdown.
Note.— Precision a

pproach radars are designated to
enable pilots of aircraft to be given guidance by
radiocommunication during the final stages of the
approach to land.


Pascal

Pascal (Pa). The pressure or stress of 1 newton per square metre.


Passenger amenities

Passenger amenities. Facilities provided for passengers which are not essential for passenger processing.


Performance Class 1

“Performance Class 1” means, in relation to a helicopter, performance such that, in
the case of critical power unit failure, it is able to land on the rejected take-off area
or safely continue the flight to an appropriate landing area, depending on when the
failure occurs


Performance Class 2

“Performance Class 2” means, in relation to a helicopter, performance such that in
the case of critical power unit failure, it is able to safely continue the flight, except
when the failure occurs prior to a defined point after take-off or after a defined point
before landing, in which case a forced landing may be required;


Performance Class 3

“Performance Class 3” means, in relation to a helicopter, performance such that, in
the case of power unit failure at any point in the flight profile, a forced landing must
be performed;


Performance criteria

Simple, evaluative statements on the required outcome of the competency element and a description of
the criteria used to judge whether the required level of performance has been achieved.


Person with disabilities

Person with disabilities. Any person whose mobility is reduced due to a physical incapacity (sensory or locomotor), an
intellectual deficiency, age, illness or any other cause of disability when using transport and whose situation needs
special attention and the adaptation to the person’s needs of the services made available to all passengers.


PF/PNF

'PF' means Pilot flying.
'PNF' means Pilot not flying.



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