general usage which is measured from the time an aeroplane first moves for the purpose of taking off until it finally stops at the end of the flight.
Flight time — helicopters. The total time from the moment a helicopter’s rotor blades start turning until the moment the helicopter finally comes to rest at the end of the flight, and the rotor blades are stopped.
Glider. A non-power-driven heavier-than-air aircraft, deriving its lift in flight chiefly from aerodynamic reactions on surfaces which remain fixed under given conditions of flight.
Glider flight time. The total time occupied in flight, whether being towed or not, from the moment the glider first moves for the purpose of taking off until the moment it comes to rest at the end of the flight.
Helicopter. A heavier-than-air aircraft supported in flight chiefly by the reactions of the air on one or more power-driven rotors on substantially vertical axes.
Human performance. Human capabilities and limitations which have an impact on the safety and efficiency of aeronautical operations.
Instrument flight time. Time during which a pilot is piloting an aircraft solely by reference to instruments and without external reference points.
Instrument ground time. Time during which a pilot is practising, on the ground, simulated instrument flight in a synthetic flight trainer approved by the Licensing Authority.
Instrument time. Instrument flight time or instrument ground time.
Licensing Authority. The Authority designated by a Contracting State as responsible for the licensing of personnel.
Note.— In the provisions of this Annex, the Licensing Authority is deemed to have been given the following responsibilities by the Contracting State:
a) assessment of an applicant’s qualifications to hold a
licence or rating;
b) issue and endorsement of licences and ratings;
c) designation and authorization of approved persons;
d) approval of training courses;
e) approval of the use of synthetic flight trainers and authorization for their use in gaining the experience or in demonstrating the skill required for the issue of a licence or rating; and
f) validation of licences issued by other Contracting States.