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Pathfinder HLZ > Helicopter Landing Zones > Flashcards

Helicopter Landing Zones Flashcards

1
Q

What are tactical considerations and who’s responsibility are they

A

Considerations that pertain to the actual mission of the unit.
Responsibility of the ground unit commander and the aviation unit commander

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2
Q

What do you use to estimate the tactical situation

A

METTC

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3
Q

What does MET-TC stand for

A 
Mission
Enemy/friendly situations
Troops
Terrain and Weather
Time available
Civilians in the battlefield
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4
Q

What additional tactical considerations are used to estimate the tactical situation

A

Location of the objective from the HLS

Size of the element being moved

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5
Q

What are technical considerations and who’s responsibility are they

A

The considerations that pertain to the technical aspect of operation a day or night HLS
Responsibility of the pathfinder

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6
Q

What are the seven technical selection factors for an HLS

A 
Size of HLP
Landing formations
Surface conditions
Obstacles
Approach and departure routes
Atmospheric conditions
Type of load
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7
Q

What factors dictate the size of the HLP and who decides them

A 
Size/type of aircraft
Pilot/unit proficiency
Day or night operation
Atmospheric conditions
Decided by the aviation unit commander
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8
Q

What are the nine standard aircraft formations

A 
Trail
Staggered trail left
Staggered trail right
Echelon left
Echelon right
Heavy left
Heavy right
Diamond
Vee
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9
Q

What is the most secure landing formation

A

Diamond is the most secure formation

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10
Q

Factors for HLZ consideration are grouped into what two categories

A

Tactical considerations

Technical considerations

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11
Q

What are acceptable surface conditions at the site

A

Firm enough to support weight of the A/C

Free of loose sand or snow or debris that cause brownout/whiteout conditions

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12
Q

What will a landing point never have

A

Obstacles

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13
Q

What constitutes an obstacle

A

18 in high wide or deep

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14
Q

Can ground slope be an obstacle?

A

Yes

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15
Q

When dealing with ground slope how should you land an A/C

A

Upslope or side slope. Never downslope

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16
Q

What slopes can any A/C land at

A

0-7 degrees

17
Q

What A/C can’t land past 7-15 degrees

A

OH and UH A/C with skids must terminate at a hover

CH A/C must land upslope with an advisory

18
Q

Can A/C land on slope past 15 degrees

A

No A/C can land past 15 degrees they must terminate at a hover

19
Q

How is an ideal approach made

A

Long axis of the HLS
Over the lowest obstacle
Into the wind

20
Q

How much buffer is given at ends of HLS

A

10:1 or 100m whichever is greater

21
Q

How much of a buffer at each side of HLS

A

10M both sides

22
Q

What is considered a headwind

A

Wind direction of 45 degrees left or right of land heading

23
Q

Who can give permission to reduce buffer zones and by how much

A

The Ground Unit Commander and 5:1 or 50M

24
Q

How much can side buffers of the HLS be reduced

A

They can’t be reduced

25
Q

What crosswind can an A/C land in

A

0-9 knots

26
Q

What tailwind can. An A/C land in

A

0-5 knots

27
Q

How much can departure heading very from land heading

A

45 degrees right or left

28
Q

Atmospheric conditions are comprised of what, and what is the rule of thumb

A

Humidity
Altitude
Temperature

If any of these factors increases A/C performance and ACL decreases

29
Q

What are the types of loads

A

Equipment and personnel

Internal or external loads

30
Q

How many lights in a nato T

A

5

31
Q

How many lights in a Inverted Y

A

4

32
Q

How many lights in a inverted Y for CH A/C

A

5

33
Q

How many lights per additional AH and UH A/C

A

2 at 5m 90 degrees out and 5 apart. 21/2 land heading and 5m back azimuth

Pathfinder HLZ (13 decks)

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