Hi,

In noise abatement approach procedures which are developed:

a. The aeroplane shall not be required to be in any configuration other than the final landing configuration at any point after passing the outer marker or 5 NM from the threshold of the runway of intended landing, whichever is earlier; and

b. Excessive rates of descent shall not be required.


When it is necessary to develop a noise abatement approach procedure based on currently available (1982) systems and equipment, the following safety considerations shall be take fully into account:

1. Glide path or approach angles should not require an approach to be made:

- Above the ILS glide path angle;

- Above the glide path of the visual approach slope indicator system;

- Above the normal PAR final approach angle; and

- Above an angle of 3 degrees except where it has been necessary to establish, for operational purposes, an ILS with a glide path angle greater than 3 degrees

2. The pilot should not be required to complete a turn on to final approach at distances less than will:

- In the case of visual operations, permit an adequate period of stabilized flight on final approach before crossing the runway threshold; or

- In the case of instrument approaches, permit the aircraft to be established on final approach prior to interception of the glide path.


Compliance with published noise abatement approach procedures should not be required in adverse operating conditions such as:

a. If the runway is not clear and dry, i.e. it is adversely affected by snow, slush, ice or water, mud, rubber, oil or other substances;

b. In conditions when the ceiling is lower than 500 ft above aerodrome elevation, or when the horizontal visibility is less than 1.9 km

c. When the crosswind component, including gusts, exceeds 15 kt;

d. When the tailwind component, including gusts, exceeds 5 kt; and

e. When wind shear has been reported or forecast or when adverse weather conditions, e.g. thunderstorms, are expected to affect the approach.

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