What are the two main categories that consist of the consideration factors for selecting an
HLZ?
1. Tactical Considerations
2. Technical Considerations
What are the tactical considerations for selecting the HLZ site?
The considerations that pertain to the actual mission of the un...
What are the tactical considerations for selecting the HLZ site?
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 the following:
a) Estimate of situation using METT-TC (mission, enemy 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
What are the technical considerations when selecting the HLZ?
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):
1) Size of HLP
1) Firm enough to support the weight of the aircraft
2) Free of loose sand, snow, or debris (brown-out or white-out conditions)
*Note* Add environmental considerations for cold weather, desert, and mountains
In terms of the surface conditions, how should Pathfinders choose the HLS?
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 new site must be selected.
b) Clear to level ground: Pathfinders must clear entire 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.
What are obstacles?
Obstacles are anything that are 18" high, wide, or deep
*A landing point will never contain and obstacle. All obstacles will be removed, reduced, or
marked.
What are the Four R's when referring to obstacles?
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