Terms & Definitions
Term for lateral (left to right) logs that the helicopter sits on
What is skid logs
The minimum clearing size
What is 100 feet in diameter
A helicopter temporary landing area which does not require improvements by ground crews to make it operational is a?
Helispot
How large in diameter do logs used in construction need to be
What is 8"
Who is a great tool to utilize in pad selection spots?
What is the pilot
Term for logs that form the base of the helipad
What is cribbing
Preferred amount of approach/ departure paths
What is 2
a helipad on flat ground that requires minimal hand tool or chainsaw work that allows the helicopter to land directly on the ground is what class of pad?
What is class 4
What is coniferous
Do helicopter pilots prefer taking off and landing into the wind or with the wind?
What is into the wind
Term for logs that run longitudinal (front to back)
What is stringers
For class 1/2 pads how far apart do the anchor stumps need to be?
What is 12' or greater
a helipad in steep terrain that requires extensive cribbing in excess of 4' on the lower slope or stumps in excess of 4' vertical height is what class of pad?
What is class 1
What is the accepted off level tolerance for lateral
What is 5%
High elevation and high temperatures mean what for heli performance?
What is decreased performance
Term for stumps that make the base of the helipad
What is anchor stumps
The distance from the heel log to the light toe log
What is 5.5'
a helipad on moderate slope that requires cribbing less than 4' on the lower slope or stumps lower than 4' in height is what class of pad?
What is class 2
What is the accepted off level tolerance for twist?
What is 5%
Can we build helipads in the black?
What is no
Term for additional logs for walking purposes
What is decking
The distance from the heel log to the medium toe log
What is 8'
a helipad on flat to moderate slope that requires extensive hand tool or chainsaw work. May have addition of skid logs is what class of pad?
What is class 3
What is the accepted off level tolerances for longitudinal for both nose down and tail down
How does current and forecasted fire behavior affect helipad selection?
What is selection of spot that is unlikely to be burned over