1989 No. 669
CIVIL AVIATION
The Air Navigation (General) (Third Amendment) Regulations 1989
Made 13th April 1989
Coming into force 1st June 1989

The Secretary of State for Transport, in exercise of his powers under article 29(1) of the Air Navigation Order 1985 and of all other powers enabling him in that behalf, hereby makes the following Regulations:
S.I.1985/1643, to which there are amendments not relevant to these Regulations.

1 These Regulations may be cited as the Air Navigation (General) (Third Amendment) Regulations 1989 and shall come into force on 1st June 1989.
2 The Air Navigation (General) Regulations 1981 shall be amended as follows–
1 For regulation 7(7)(a), there shall be substituted the following–

“7 (a) (i) In the case of a turbine-jet powered aeroplane, the landing distance required does not exceed at the aerodrome at which it is intended to land or at any alternate aerodrome, as the case may be, the landing distance available on–
(aa) the most suitable runway for a landing in still air conditions; and
(bb) the runway that may be required for landing because of the forecast wind conditions.
(ii) In the case of an aeroplane powered by turbine propeller or piston engines, the landing distances required, respectively specified as being appropriate to aerodromes of destination and alternate aerodromes, do not exceed at the aerodrome at which it is intended to land or at any alternate aerodrome, as the case may be, the landing distance available on–
(aa) the most suitable runway for a landing in still air conditions; and
(bb) the runway that may be required for landing because of the forecast wind conditions:
Provided that if an alternate aerodrome is designated in the flight plan, the specified landing distance required may be that appropriate to an alternate aerodrome when assessing the ability of the aeroplane to satisfy this condition at the aerodrome of destination.”

.
S.I.1981/57; the relevant amending instrument is S.I.1987/2078.
Signed by authority of the Secretary of State
Peter Bottomley Parliamentary Under Secretary of State, Department of Transport 13th April 1989

(This note is not part of the Regulations)
These Regulations amend the Air Navigation (General) Regulations 1981. The Regulations eliminate the distinction between destination and alternate aerodromes for calculating the landing distances required by turbine-jet powered aeroplanes.