Page 21 - 1. Aircraft Safety Booklet

SAFE, EFFECTIVE AND EFFICIENT OPERATIONS
Aviation Rule
Helicopter landing Under Civil 21 91.211

site specifi cations

Reference also Civil Aviation Rule 13 in part
(www.caa.govt.nz). For rural fire operations, Ground safety
any dimensions supplied for Helicopter Landing
Sites (HLS) are for guidance only and should be
confirmed with the respective pilot.

Basic Helicopter Landing Site (HLS)
• may be used only for day and night operations and Fixed wing safety

• must be large enough to accommodate the helicopter safely and
• must have a surface capable of withstanding the loads involved
(both static and dynamic) in its use by the helicopter.
Standard Helicopter Landing Site (HLS)

Physical specifications, final approach and takeoff area Helicopter safety
The minimum size of the final approach and takeoff areas shall
be a circle with a diameter twice the overall length of the helicopter
using the site. (Range 24 to 52 metres.)

This area must be free of all obstructions that could interfere with
the manoeuvring of the helicopter. Trees should be removed to
stump height and these marked with “high vis” paint. Aviation radio

Ground effect area channels
The ground effect area, if required, shall be entirely located
within the final approach and takeoff area, and shall be a circle
with a diameter equal to the main rotor diameter of the helicopter.
See “Air Operations Information and Checklist” for rotor diameters.
The lateral or longitudinal overall slope is not to exceed a grade of Briefings and
1 in 8 or 7.5°. questions
This area must be clear of all obstructions to ground level.