The Civil Aviation Rules require formal notification of any crane activity that:
Extends more than 60m in height above ground level at its site; or
Exceeds general tree height in the area by 18m and is located in an area of low level aviation activity
Is located below the approach or take-off surfaces of an aerodrome or heliport
More information regarding the requirement for notification and authorisation of crane activity can be found at the following link: Civil Aviation Rule Part 77 – Objects and Activities Affecting Navigable Airspace. Notification of a Proposal to Construct of Alter a Structure using cranes is done via submission of CAA form 24077/01A.
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