CASA 237/10 Determination of meteorological minima (Cth)

Instrument number CASA 237/10

I, Terence farquharson, Acting Director of Aviation Safety, on behalf of CASA, make this instrument under subregulation 257 (1) of the Civil Aviation Regulations 1988 (CAR 1988).

[Signed T. Farquharson]

Terry Farquharson
Acting Director of Aviation Safety

09 July 2010

Determination of meteorological minima

1          Commencement

            This instrument commences on the day after it is registered.

2          Revocation

            Instrument CASA 146/08 is revoked.

3          Determination

   (1)     The standard meteorological minima for aeroplanes taking off are as determined in Schedule 1.

   (2)     The standard meteorological minima for aeroplanes landing are as determined in Schedule 2.

   (3)     The standard meteorological minima for multi-engine helicopters taking off are as determined in Schedule 3.

Note Under regulation 257 of CAR 1988, unless exempted by CASA under regulation 308, it is a strict liability offence if an aircraft takes off or lands below any of the minima determined for the aircraft.

4          Definition

            In this instrument:

RVR means runway visual range and is measured by instrument and reported by Air Traffic Control.

Schedule 1          Take-off minima for aeroplanes

      1     This clause applies to a multi-engine aeroplane that is:

(a)   2 pilot operated; or

(b)   a single pilot operated jet aeroplane; or

(c)   a single pilot operated turbo propeller aeroplane with operative auto feather.

      2     Subject to clause 3, the take-off minima for an aeroplane mentioned in clause 1 are:

(a)   a ceiling of zero feet; and

(b)   visibility of:

             (i)  550 metres — if the runway has illuminated edge lighting at 60 metre spacing and centreline lighting or centreline markings; or

            (ii)  800 metres.

      3     An aeroplane with a maximum take-off weight not exceeding 5 700 kg must be capable of a gross climb gradient of at least 1.9% under ambient conditions with the loss of the most critical engine.

      4     The take-off minima for all other aeroplanes are:

(a)   a ceiling of 300 feet; and

(b)   visibility of 2 000 metres.

Schedule 2          Landing minima for aeroplanes

      1     The landing minima for an aeroplane are:

(a)   at an aerodrome with an approved instrument approach procedure - the minima specified in the instrument approach chart for carrying out that procedure, being:

             (i)  a decision height (DH) of not less than 200 feet and visibility of not less than 800 metres; or

            (ii)  a DH of not less than 200 feet and an RVR of not less than 550 metres in the runway touchdown zone; or         

(b)   for other aerodromes:

             (i)  in the case of day IFR – visual approach requirements; and

            (ii)  in the case of night IFR – VMC from the lowest safe altitude within 3 nautical miles.

Schedule 3          Take-off minima for multi-engine helicopters

      1     The take-off minima for multi-engine helicopters when operated in accordance with PC1 / PC2 procedures are:

(a)   clear of cloud until attaining the greater of Vyse or Vmin IMC; and

(b)   visibility of 800 metres (or 550 metres if the runway has illuminated edge lighting at 60 metre spacing intervals and centreline lighting or centreline markings).

      2     The take-off minima for all other IFR multi-engine helicopters are:

(a)   a ceiling of 500 feet; and

(b)   visibility of 800 metres.