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Article 20

SCHEDULE 8FLIGHT CREW OF AIRCRAFT: LICENCES AND RATINGS

PART A—LICENCES

Minimum Age Period of Validity, Privileges

Aeroplane Pilots

1.  Private Pilots Licence (Aeroplanes)

Minimum Age—17 years

No Maximum Period of Validity

Privileges: The holder of the licence shall be entitled to fly as pilot in command or co-pilot of an aeroplane of any of the types specified or otherwise falling within the aircraft rating included in the licence:

Provided that:—

(a)he shall not fly such an aeroplane for the purpose of public transport or aerial work save as hereinafter provided—

(i)he may fly such an aeroplane for the purpose of aerial work which consists of:—

(aa)the giving of instruction in flying, if his licence includes a flying instructor’s rating or an assistant flying instructor’s rating; or

(bb)the conducting of flying tests for the purposes of this Order,

in either case in an aeroplane owned, or operated under arrangements entered into, by a flying club of which the person giving the instruction or conducting the test and the person receiving the instruction or undergoing the test are both members;

(ii)he may fly such an aeroplane for the purpose of aerial work which consists of:

(aa)towing a glider in flight; or

(bb)a flight for the purpose of dropping of persons by parachute,

in either case in an aeroplane owned, or operated under arrangements entered into, by a club of which the holder of the licence and any person carried in the aircraft or in any glider towed by the aircraft are members;

(b)he shall not receive any remuneration for his services as a pilot on a flight save that—

(i)if his licence includes at any time between 1st January 1991 and 1st May 1991 (both dates inclusive) a flying instructor’s rating or an assistant flying instructor’s rating he may, prior to 1st January 1994 receive remuneration for the giving of such instruction or the conducting of such flying tests as are specified in sub-paragraph (a)(i) of this proviso; or

(ii)if his licence includes a flying instructor’s rating or an assistant flying instructor’s rating by virtue of which he is entitled to give instruction in flying microlight aircraft or self-launching motor gliders he may receive remuneration for the giving of such instruction or the conducting of such flying tests as are specified in sub-paragraph (a)(i) of this proviso in a microlight aircraft or a self-launching motor glider;

(c)he shall not, unless his licence includes an instrument rating (aeroplanes) or an instrument meteorological conditions rating (aeroplanes), fly as pilot in command of such an aeroplane—

(i)on a flight outside controlled airspace—

(aa)when the flight visibility is less than one half nautical miles; or

(bb)when any passenger is carried and the aeroplane is flying either above 3,000 feet above mean sea level in Instrument Meteorological Conditions or at or below 3,000 feet above mean sea level in a flight visibility of less than 3 nautical miles;

(ii)on a special VFR flight in a control zone in a flight visibility of less than 5 nautical miles except on a route or in an aerodrome traffic zone notified for the purposes of this sub-paragraph;

(iii)out of sight of the surface; and

(d)he shall not fly as pilot in command of such an aeroplane at night unless—

(i)his licence includes a night rating (aeroplanes), and

(ii)his licence includes an instrument rating (aeroplanes) or he has within the immediately preceding 13 months carried out as pilot in command not less than 5 take-offs and 5 landings at a time when the depression of the centre of the sun was not less than 12 degrees below the horizon.

Basic Commercial Pilot’s Licence (Aeroplanes)

Minimum Age—18 years.

Maximum Period of Validity—10 years.

Privileges:

(1) The holder of the licence shall be entitled to exercise the privileges of a Private Pilot’s Licence (Aeroplanes); and

(2) He shall be entitled to fly as pilot in command of an aeroplane of a type specified in Part 1 of the aircraft rating included in the licence when the aeroplane is engaged on a flight for any purpose whatsoever:

Provided that—

(a)he shall not fly such an aeroplane on a flight for the purpose of public transport if he has less than 400 hours of flying experience as pilot in command of aeroplanes other than self launching motor gliders or microlight aircraft;

(b)he shall not fly such an aeroplane on a flight for the purpose of public transport if its maximum total weight authorised exceeds 2300 kg;

(c)he shall not fly such an aeroplane on any scheduled journey;

(d)he shall not fly any such aeroplane on a flight for the purpose of public transport except a flight beginning and ending at the same aerodrome and not extending beyond 25 nautical miles from that aerodrome;

(e)he shall not fly any such aeroplane on any flight for the purpose of public transport after he attains the age of 60 years unless the aeroplane is fitted with dual controls and carries a second pilot who has not attained the age of 60 years and who holds an appropriate licence under this Order entitling him to act as pilot in command or co-pilot of that aeroplane;

(f)he shall not fly such an aeroplane at night, unless—

(i)his licence includes a night rating (aeroplanes); and

(ii)his licence includes an instrument rating (aeroplanes) or he has within the immediately preceding 13 months carried out as pilot in command not less than 5 take-offs and 5 landings at a time when the depression of the centre of the sun was not less than l2 degrees below the horizon; and

(g)he shall not, unless his licence includes an instrument rating (aeroplanes) or an instrument meteorological conditions rating (aeroplanes), fly as pilot in command of such an aeroplane—

(i)on a flight outside controlled airspace:—

(aa)when the flight visibility is less than 1½ nautical miles; or

(bb)when any passenger is carried and the aeroplane is flying either above 3,000 feet above mean sea level in Instrument Meteorological Conditions or at or below 3,000 feet above mean sea level in a flight visibility of less than 3 nautical miles;

(ii)on a special VFR flight in a control zone in a flight visibility of less than 5 nautical miles except on a route or in an aerodrome traffic zone notified for the purposes of this sub-paragraph;

(iii)out of sight of the surface.

(3) He shall be entitled to fly as pilot in command of an aeroplane of a type specified in any flying instructor’s rating or assistant flying instructor’s rating included in the licence on a flight for the purpose of aerial work which consists of the giving of instruction in flying or the conducting of flying tests for the purposes of this Order.

(4) He shall be entitled to fly as co-pilot of any aeroplane of a type specified in the aircraft rating included in the licence when the aeroplane is engaged on a flight for any purpose whatsoever, provided that he shall not be entitled to fly as a co-pilot of an aeroplane which is engaged on a flight for the purpose of public transport unless he has more than 400 hours of flying experience as pilot in command of aeroplanes other than self launching gliders and microlight aircraft and the maximum total weight authorised of the aeroplane does not exceed 5700 kg.

(5) He shall not at any time after he attains the age of 65 years act as pilot in command or co-pilot of any aeroplane on a flight for the purpose of public transport.

Commercial Pilot’s Licence (Aeroplanes)

Minimum Age—18 years

Maximum Period of Validity—10 years

Privileges:

(1) The holder of the licence shall be entitled to exercise the privileges of a Private Pilot’s Licence (Aeroplanes) which includes an instrument meteorological conditions rating (aeroplanes) and a night rating (aeroplanes) and shall be entitled to fly as pilot in command of an aeroplane—

(a)on a special VFR flight notwithstanding that the flight visibility is less than 1½ nautical miles;

(b)when the aeroplane is taking off or landing at any place notwithstanding that the flight visibility below cloud is less than 1 nautical mile; and

(2) he shall be entitled to fly as pilot in command of an aeroplane of a type specified in Part 1 of the aircraft rating included in the licence when the aeroplane is engaged on a flight for any purpose whatsoever:

(3) he shall be entitled to fly as co-pilot of any aeroplane of a type specified in the aircraft included in the licence when the aeroplane is engaged on a flight for any purpose whatsoever:

(4) he shall not at any time after he attains the age of 65 years act as pilot in command or co-pilot of any aeroplane on a flight for the purpose of public transport.

Senior Commercial Pilots Licence (Aeroplanes)

Minimum Age—21 years

Maximum Period of Validity—10 years

Privileges: The holder of the licence shall be entitled to exercise the privileges of a Commercial Pilot’s Licence (Aeroplanes) except that in proviso (d) to paragraph (2) of those privileges, 20,000 kg. shall be substituted for 5,700 kg.

Airline Transport Pilot’s Licence (Aeroplanes)

Minimum Age—21 years

Maximum Period of Validity—10 years

Privileges: The holder of the licence shall be entitled to exercise the privileges of a Commercial Pilot’s Licence (Aeroplanes) except that proviso (d) to paragraph (2) of those privileges shall not apply and the holder of the licence shall not at any time after he attains the age of 60 years act as pilot in command or co-pilot of any aeroplane for the purpose of public transport if its maximum total weight authorised exceeds 20,000 kg.

Helicopter and Gyroplane Pilots

2.  Private Pilot’s Licence (Helicopters and Gyroplanes)

Minimum Age—17 years

No Maximum Period of Validity

Privileges: The holder of the licence shall be entitled to fly as pilot in command or co-pilot of a helicopter or gyroplane of any of the types specified in the aircraft rating included in the licence:

Provided that—

(a)he shall not fly such a helicopter or gyroplane for the purpose of public transport or aerial work other than aerial work which consists of—

(i)the giving of instruction in flying if his licence includes a flying instructor’s rating or an assistant flying instructor’s rating; or

(ii)the conducting of flying tests for the purposes of this Order

in either case in a helicopter or gyroplane owned, or operated under arrangements entered into, by a flying club of which the person giving the instruction or conducting the test and the person receiving the instruction or undergoing the test are both members;

(b)he shall not receive any remuneration for his services as a pilot on a flight other than remuneration for the giving of such instruction or the conducting of such flying tests as are specified in paragraph (a) of this proviso;

(c)he shall not fly as pilot in command of such a gyroplane at night unless his licence includes a night rating (helicopters and gyroplanes) and he has within the immediately preceding 13 months carried out as pilot in command not less than 5 take-offs and 5 landings at a time when the depression of the centre of the sun was not less than 12 degrees below the horizon;

(d)he shall not fly as pilot in command of such a helicopter at night unless—

(i)his licence includes a night rating (helicopters and gyroplanes); and

(ii)his licence includes an instrument rating (helicopters) or he has within the immediately preceding 13 months carried out as pilot in command not less than 5 flights, each consisting of a take-off a transition from hover to forward flight, a climb to at least 500 feet and a landing, at a time when the depression of the centre of the sun was not less than 12 degrees below the horizon.

Commercial Pilot’s Licence (Helicopters and Gyroplanes)

Minimum Age—18 years

Maximum Period of Validity—10 years

Privileges:

(1) The holder of the licence shall be entitled to exercise the privileges of a Private Pilot’s Licence (Helicopters and Gyroplanes) which includes a night rating (helicopters and gyroplanes); and

(2) he shall be entitled to fly as pilot in command of any helicopter or gyroplane specified in Part 1 of the aircraft rating included in the licence when the helicopter gyroplane is engaged on a flight for any purpose whatsoever:

(3) he shall be entitled to fly as co-pilot of any helicopter or gyroplane specified in the aircraft rating included in the licence when the helicopter or gyroplane is engaged on a flight for any purpose whatsoever:

(4) he shall not at any time after he attains the age of 65 years act as pilot in command or co-pilot of any helicopter or gyroplane on a flight for the purpose of public transport.

Airline Transport Pilot’s Licence (Helicopters and Gyroplanes)

Minimum Age—21 years

Maximum Period of Validity—10 years

Privileges: The holder of the licence shall be entitled to exercise the privileges of a Commercial Pilot’s Licence (Helicopters and Gyroplanes) except that proviso (b) to paragraph (2) of those privileges shall not apply and the holder of the licence shall not at any time after he attains the age 60 years act as pilot in command or co-pilot of any helicopter or gyroplane for the purpose of public transport if its maximum total weight authorised exceeds 20,000 kg.

Balloon and Airship Pilots

3.  Private Pilot’s Licence (Balloons and Airships)

Minimum Age—17 years

No Maximum Period of Validity

Privileges: The holder of the licence shall be entitled to fly as pilot in command of any type of balloon or airship specified in Part 1 of the aircraft rating included in the licence and co-pilot of any type of balloon or airship specified in such aircraft rating:

Provided that—

(a)he shall not fly such balloon or airship for the purpose of public transport or aerial work, other than aerial work which consists of the giving of instruction in flying or the conducting of flying tests in either case in a balloon or airship owned, or operated under arrangements entered into, by a flying club of which the person giving the instruction or conducting the test and the person receiving the instruction or undergoing the test are both members;

(b)he shall not receive any remuneration for his services as a pilot on a flight other than remuneration for the giving of such instruction or the conducting of such flying tests as are specified in paragraph (a) of this proviso.

Commercial Pilot’s Licence (Balloons)

Minimum Age—18 years

Maximum Period of Validity—6 monthsa

Privileges:

(1) The holder of the licence shall be entitled to exercise the privileges of a Private Pilot’s Licence (Balloons and Airships); and

(2) he shall be entitled to fly, when the balloon is flying for any purpose whatsoever, as pilot in command or co-pilot of any type of balloon specified in the aircraft rating included in the licence.

Commercial Pilot’s Licence (Airships)

Minimum Age—18 years

Maximum Period of Validity—10 years

Privileges:

(1) The holder of the licence shall be entitled to exercise the privileges of a Private Pilot’s Licence (Balloons and Airships); and

(2) he shall be entitled to fly, when the airship is flying for any purpose whatsoever, as pilot in command of any type of airship specified in Part 1 of the aircraft rating included in the licence and as co-pilot of any type of airship specified in such aircraft rating.

Glider Pilots

4.  Commercial Pilots Licence (Gliders),

Minimum Age—18 years

Maximum Period of Validity—6 months

Privileges: The holder of the licence shall be entitled to fly for any purpose as pilot in command or co-pilot of—

(a)any glider of which the maximum total weight authorised does not exceed 680 kg.;

(b)any glider of which the maximum total weight authorised exceeds 680 kg. and which is of a type specified in the rating included in the licence.

Other Flight Crew

5.  Flight Navigator’s Licence

Minimum Age—21 years

Maximum Period of Validity—10 years

Privileges: The holder of the licence shall be entitled to act as flight navigator in any aircraft.

Flight Engineer’s Licence

Minimum Age—21 years

Maximum Period of Validity—10 years

Privileges: The holder of the licence shall be entitled to act as flight engineer in any type of aircraft specified in the aircraft rating included in the licence.

Flight Radiotelephony Operator’s General Licence

Minimum Age—18 years

Maximum Period of Validity—10 years

Privileges: The holder of the licence shall be entitled to operate radiotelephony apparatus in any aircraft.

Flight Radiotelephony Operator’s Restricted Licence

Minimum Age—17 years

Maximum Period of Validity—10 years

Privileges: The holder of the licence shall be entitled to operate radiotelephony apparatus in any aircraft if the stability of the frequency radiated by the transmitter is maintained automatically but shall not be entitled to operate the transmitter, or to adjust its frequency, except by the use of external switching devices.

Flight Radio telegraphy Operator’s Licence

Minimum Age—20 years

Maximum Period of Validity—12 months

Privileges: The holder of the licence shall be entitled to operate radiotelegraphy and radiotelephony apparatus in any aircraft.

Flight Radiotelegraphy Operator’s Temporary Licence

Minimum Age—18 years

Maximum Period of Validity—12 months

Privileges: The holder of the licence shall be entitled to operate radiotelegraphy and radiotelephony apparatus in any aircraft under the supervision of a person who is the holder of a flight radiotelegraphy operator’s licence.

PART B—RATINGS

1.  The following ratings may be included in a pilot’s licence granted under Part IV of this Order, and, subject to the provisions of this Order and of the licence, the inclusion of a rating in a licence shall have the consequences respectively specified as follows—

Aircraft Ratings: The licence shall entitle the holder to act as pilot of aircraft of the types specified in the aircraft rating and different types of aircraft may be specified in respect of different privileges of a licence.

Instrument Meteorological Conditions Rating (Aeroplanes) shall entitle the holder of a private pilot’s licence (aeroplanes) or a basic commercial pilot’s licence (aeroplanes) to fly as pilot in command of an aeroplane without being subject to the restrictions contained respectively in proviso (c) or 2(g) to the privileges of such licences set out in

Part A of this Schedule provided that he shall not fly—

(a)on a special VFR flight in a control zone in a flight visibility of less than 1½ nautical miles;

(b)when the aeroplane is taking off or landing at any place if the flight visibility below cloud is less than 1 nautical mile.

Instrument Rating (Aeroplanes) shall entitle the holder of the licence to act as pilot in command or co-pilot of an aeroplane flying in controlled airspace in circumstances which require compliance with the Instrument Flight Rules.

Instrument Rating (Helicopters) shall entitle the holder of the licence to act as pilot in command or co-pilot of a helicopter in controlled airspace in circumstances which require compliance with the Instrument Flight Rules.

Night Rating (Aeroplanes) shall entitle the holder of a private pilot’s licence (aeroplanes) or a basic commercial pilot’s licence (aeroplanes) to act as pilot in command at night of an aeroplane at night.

Night Rating (Helicopters and Gyroplanes) shall entitle the holder of a private pilot’s licence (helicopters and gyroplanes) to act as pilot in command at night of a helicopter or gyroplane at night.

Towing Rating (Flying Machines) shall entitle the holder of the licence to act as pilot of a flying machine while towing a glider in flight for the purposes of public transport or aerial work.

Flying Instructor’s Rating shall entitle the holder of the licence to give instruction in flying aircraft of such types as may be specified in the rating for that purpose.

Assistant Flying Instructor’s Rating shall entitle the holder of the licence to give instruction in flying aircraft of such types as may be specified in the rating for that purpose:—

Provided that—

(a)such instruction shall only be given under the supervision of a person present during the take-off and landing at the aerodrome at which the instruction is to begin and end and holding a pilot’s licence endorsed with a flying instructor’s rating; and

(b)an assistant flying instructor’s rating shall not entitle the holder of the licence to give directions to the person undergoing instruction in respect of the performance by that person of—

(i)his first solo flight; or

(ii)his first solo flight by night; or

(iii)his first solo cross-country flight otherwise than by night; or

(iv)his first solo cross-country flight by night.

2.  An aircraft rating included in a flight engineer’s licence shall entitle the holder of the licence to act as flight engineer only of aircraft of a type specified in the aircraft rating.

3.  For the purposes of this Schedule—

“Solo flight” means a flight on which the pilot of the aircraft is not accompanied by a person holding a pilot’s licence granted or rendered valid under this Order.

“Cross-country flight” means any flight during the course of which the aircraft is more than 3 nautical miles from the aerodrome of departure.

PART C—CERTIFICATE OF TEST OR EXPERIENCE

1.—(a) A certificate of test or a certificate of experience required by article 21(5) of this Order shall not be appropriate to the functions to be performed on a flight unless it is a certificate appropriate to the description of the flight according to the following Table—

CaseClass of LicenceDescription of FlightCertificate Required
A

Private Pilot’s Licence (Aeroplanes)

Private Pilot’s Licence (Helicopters and Gyroplanes)

Any flight within the privileges of the licenceCertificate of test or certificate of experience
B

Basic Commercial Pilot’s Licence (Aeroplanes)

Commercial Pilot’s Licence (Aeroplanes)

Commercial Pilot’s Licence (Helicopters and Gyroplanes)

Commercial Pilot’s Licence (Gliders)

Commercial Pilot’s Licence (Airships)

Senior Commercial Pilot’s Licence (Aeroplanes)

Airline Transport Pilot’s Licence (Aeroplanes)

Airline Transport Pilot’s Licence (Helicopters and Gyroplanes)

Carriage of passengers on a flight in respect of which the holder of the licence receives remunerationCertificate of test
C

Basic Commercial Pilot’s Licence (Aeroplanes)

Commercial Pilot’s Licence (Aeroplanes)

Commercial Pilot’s Licence (Helicopters and Gyroplanes)

Commercial Pilot’s Licence (Gliders)

Commercial Pilot’s Licence (Airships)

Senior Commercial Pilot’s Licence (Aeroplanes)

Airline Transport Pilot’s Licence (Aeroplanes)

Airline Transport Pilot’s Licence (Helicopters and Gyroplanes)

For public transportCertificate of test
D

Basic Commercial Pilot’s Licence (Aeroplanes)

Commercial Pilot’s Licence (Aeroplanes)

Commercial Pilot’s Licence (Helicopters and Gyroplanes)

Commercial Pilot’s Licence (Gliders)

Commercial Pilot’s Licence (Airships)

Senior Commercial Pilots Licence (Aeroplanes)

Airline Transport Pilot’s Licence (Aeroplanes)

Airline Transport Pilot’s Licence (Helicopters and Gyroplanes)

For aerial workCertificate of test or certificate of experience
E

Basic Commercial Pilot’s Licence (Aeroplanes)

Commercial Pilot’s Licence (Aeroplanes)

Commercial Pilot’s Licence (Helicopters and Gyroplanes)

Commercial Pilot’s Licence (Gliders)

Commercial Pilot’s Licence (Airships)

Senior Commercial Pilot’s Licence (Aeroplanes)

Airline Transport Pilot’s Licence (Aeroplanes)

Airline Transport Pilot’s Licence (Helicopters and Gyroplanes)

Any flight within the privileges of a Private Pilot’s LicenceCertificate of test or certificate of experience
FFlight Navigator’s LicenceFlights to which article 19(4) of this Order appliesCertificate of experience
GFlight Engineer’s LicenceFor public transportCertificate of test
HFlight Engineer’s LicenceAny flight other than for public transportCertificate of test or certificate of experience

(b)For the purposes of this Part of this Schedule references to Cases are references to the Cases indicated in the first Column of the Table in paragraph 1(a) of this Part of this Schedule.

Certificate of test

2.  A certificate of test required by Article 20(4) or 20(5) of this Order shall be signed by a person authorised by the Governor to sign certificates of this kind and shall certify the following particulars:

(a)the functions to which the certificate relates;

(b)that the person signing the certificate is satisfied that on a date specified in the certificate the holder of the licence or personal flying logbook of which the certificate forms part, as the case may be, passed an appropriate test of his ability to perform the functions to which the certificate relates;

(c)the type of aircraft or flight simulator in or by means of which the test was conducted;

(d)the date on which it was signed.

Nature of test

3.  The appropriate test referred to in paragraph 2 of this Part of this Schedule shall be:

(a)in the case of a test which entitles the holder of the licence of which the certificate forms part to act as pilot in command and/or co-pilot of aircraft of the type specified in the certificate, a test of the pilot’s competence to fly the aircraft as pilot in command and/or co-pilot and shall where the Governor so specifies in respect of the whole or part of a test be conducted in an aircraft in flight or by means of a flight simulator approved by the Governor;

(b)in the case of a test which entitles the holder of the licence of which the certificate forms part to act as flight engineer of aircraft of the type specified in the certificate, a test of the flight engineer’s competence to perform the duties of a flight engineer in the type of aircraft to be used on the flight and shall, where the Governor so specifies in respect of the whole or part of a test, be conducted in an aircraft in flight or by means of a flight simulator approved by the Governor;

(c)in the case of a test which entitles the holder of the licence of which the certificate forms part to perform the functions to which an Instrument Rating relates a test of his ability to perform the functions to which the rating relates and shall, where the Governor so specifies in respect of the whole or part of the test, be conducted in an aircraft in flight or by means of a flight simulator approved by the Governor;

(d)in the case of a test which entitles the holder of the licence of which the certificate forms part to perform the functions to which a flying instructor’s rating, an assistant flying instructor’s rating or an instrument meteorological conditions rating relates, a test of his ability to perform the functions to which the rating relates and shall where the Governor so specifies in respect of the whole or part of the test be conducted in an aircraft in flight.

Period of Validity of Certificate of Test

4.

 (a)A certificate of test required by Article 20(4) of this Order shall not be valid in relation to a flight made more than 13 months in Cases A, B, E and H, or more than 6 months in Cases C, D and G, after the date of the test which it certifies:

(b)A certificate of test required by Article 20(5) of this Order shall not be valid in relation to a flight made more than 13 months in the case of an instrument rating (aeroplanes) and an assistant flying instructor’s rating or more than 25 months in the case of an instrument meteorological conditions rating (aeroplanes) and a flying instructor’s rating, after the date of the test which it certifies.

Certificate of experience

5.  A certificate of experience required by Article 20(4) of this Order shall be signed by a person authorised by the Governor to sign such a certificate and shall certify the following particulars:

(a)the functions to which the certificate relates;

(b)in the case of a pilot or flight engineer, that on the date on which the certificate was signed the holder of the licence or personal flying logbook of which it forms part, as the case may be, produced his personal flying logbook to the person signing the certificate and satisfied him that he had appropriate experience in the capacity to which his licence relates within the appropriate period specified in paragraph 6 of this Part of this Schedule;

(c)in the case of a flight navigator, that on the date on which the certificate was signed the holder of the licence of which it forms part produced his navigation logs, charts and workings of astronomical observations to the person signing the certificate and satisfied him that he had appropriate experience in the capacity to which the licence relates within the appropriate period specified in paragraph 6 of this Part of this Schedule;

(d)in the case of a pilot or flight engineer, the type or types of aircraft in which the experience was gained;

(e)the date on which it was signed.

Period of experience

6.  A certificate of experience shall not be valid unless the experience certified was gained within the period of 13 months preceding the signing of the certificate in the case of Cases A, E, F and H, or 6 months preceding the signing of the certificate in the case of Case D.

Period of Validity of Certificate of Experience

7.  A certificate of experience shall not be valid more than 6 months after it was signed for Case D, nor more than 13 months after it was signed for any other Case.