1AD/HS 125/57 - Flight Manual - Change to Metric Units

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

Image unavailable in extracted text
British Aerospace BAe 125 Series Aeroplanes

AD/HS 125/57 Flight Manual - Change to Metric Units 9/81

Applicability: All Hawker Siddeley HS-125 series aeroplanes.

Requirement: The DoT approved flight manual shall be amended to specify quantities in the following units:

(a) weight in kilograms;

(b) distances in metres;

(c) centre of gravity limits and moment arms in millimetres;

(d) fuel and oil quantities in litres; and

(e) pressures in kilopascals.

Where the installed aircraft instrumentation is calibrated in units other than the above the flight manual shall specify both systems of units.

Compliance: By 1 January 1984.

Background: It is required that all Australian aircraft be provided with airworthiness limitations and operational data in the declared metric units.