What are the two main 1. Tactical Considerations
categories that consist of 2. Technical Considerations
the consideration factors
for selecting an HLZ?
The considerations that pertain to the actual mission of
the unit being moved. These considerations are the
responsibility of the Ground Unit Commander (GUC) and
the Aviation Unit Commander, and their staff and include
What are the tactical
the following:
considerations for selecting
a) Estimate of situation using METT-TC (mission, enemy
the HLZ site?
and friendly considerations, troops, terrain and weather,
time available, and civilians)
b) Location of the objective from tentative HLS
c) Size of the element being moved
These are the considerations that pertain to the technical
aspect of selection and operation of a day or night HLS.
These are the responsibility of the Pathfinder and are
subdivided into seven selection factors (SOSATAL):
What are the technical 1) Size of HLP
considerations when 2) Obstacles
selecting the HLZ? 3) Surface conditions
4) Approach and departure routes
5) Type of Load
6) Atmospheric conditions
7) Landing formation
, the size of the HLP will be decided by the aviation unit
commander based on:
How will the size of the HLP
a) Size/Type of Aircraft
(Helicopter Landing Point)
b) Pilot/Unit Proficiency
be decided?
c) Whether operation will be during Day or Night
d) Atmospheric Conditions
What is the diameter and 25 meters ; OH-6, OH-58, MH-6, AH-6, UH72A
what aircraft belong as a
Size 1 HLP?
What is the diameter and 35 meters ; UH-1N/Y and AH-1W/Z
what aircraft belong as a
Size 2 HLP?
What is the diameter and 50 meters ; UH60A/L/M, SH60, AH-64
what aircraft belong as a
Size 3 HLP?
What is the diameter and 80 meters ; All CH A/C, to include MV/CV-22B (Osprey)
what aircraft belong as a
Size 4 HLP?
What is the diameter and 100 meters ; All sling load A/C during daytime, all
what aircraft belong as a unknown/foreign A/C, and A/C using land-safe
Size 5 HLP?
What is the diameter and 125 meters ; All sling load A/C using long lines
what aircraft belong as a
Size 6 HLP?
What is the diameter and 150 meters ; All sling load A/C during nighttime and all
what aircraft belong as a sling load A/C using land-safe
Size 7 HLP?
When different aircraft are Always pace off of the largest aircraft/largest size
in formation, which aircraft
would you choose to make
the size of the HLP's for at
the HLZ?
, 1) Trail
2) Staggered Trail Left
3) Staggered Trail Right
4) Echelon left
What are the nine standard
5) Echelon right
aircraft formations?
6) Heavy left
7) Heavy right
8) Vee
9) Diamond
Which aircraft formation is Diamond
the most secure?
1) Firm enough to support the weight of the aircraft
2) Free of loose sand, snow, or debris (brown-out or
Surface conditions at the
white-out conditions)
HLS should be?
Note Add environmental considerations for cold
weather, desert, and mountains
a) Choose a hard surface: needs to support weight of
A/C, avoids excessive dust or blowing snow; must allow
a fully loaded helicopter to land, restart, and leave
again, all without sinking into the ground; if a surface
does not meet these conditions, then an advisory must
be given to A/C to terminate at a hover or touch down
while under power. IF mission does not allow this then a
In terms of the surface
new site must be selected.
conditions, how should
Pathfinders choose the
b) Clear to level ground: Pathfinders must clear entire
HLS?
TDP of loose material, debris that rotors can stir up and
injure personnel/Aircraft. They need not clear grass
shorter than 1 foot, as long as field is level. They can cut
down on dirt by wetting it. If debris cannot be cleared
and there is potential for brown-out/white-out
conditions, then Pathfinders must provide advisories and
radio guidance as required.
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