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PATHFINDER > HLZ 2 > Flashcards

HLZ 2 Flashcards

1
Q

What are the two considerations for HLZ selection?

A

Tactical and technical

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2
Q

Who is responsible for tactical considerations?

A

Ground Unit Commander (GUC)

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3
Q

What are the tactical considerations?

A

The estimate of the situation using METT-TC
Location of the objective from tentative HLS
Size of the element being moved

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4
Q

Who is responsible for technical considerations?

A

Pathfinder

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5
Q

What are the seven technical selection factors?

A 
Size of HLP
Landing formations
Surface conditions
Obstacles
Approach and departure routes
Atmospheric conditions
Type of load
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6
Q

What are the subfactors for size of HLZ selection factor?

A

Size/type of aircraft
Pilot/unit proficiency
Day or night
Atmospheric conditions

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7
Q

How many sizes are there for TDPs?

A

7

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8
Q

What are the sizes?

A 
25 meters
35 meters
50 meters
80 meters
100 meters
125 meters
150 meters
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9
Q

What aircraft require a 25 meter TDP?

A

OH-6, OH-58, MH-6, AH-6, UH-72A

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10
Q

What aircraft require a 35 meter TDP?

A

AH-1W/Z, UH-1Y/N

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11
Q

What aircraft require a 50 meter TDP?

A

AH-64, UH-60A/L/M, SH-60

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12
Q

What aircraft require a 80 meter TDP?

A

ALL CH aircraft, to include MV/CV-22B

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13
Q

What aircraft require a 100 meter TDP?

A

ALL daytime slingload aircraft, ALL unknown aircraft

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14
Q

What aircraft require a 125 meter TDP?

A

ALL slingload aircraft using longlines

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15
Q

What aircraft require a 150 meter TDP?

A

ALL nighttime slingload aircraft

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16
Q

What are the 9 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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17
Q

What is the distance between aircraft in flight for day?

A

2 - 3 rotor disks

18
Q

What is the distance between aircraft in flight for night?

A

3 - 5 rotor disks

19
Q

What must the surface conditions be at the site?

A

Firm enough to support the weight of the aircraft and free of debris that would cause brown-out or white-out conditions

20
Q

T/F: The ground slope can be considered an obstacle.

A

True

21
Q

If you have an obstacle, what the four R’s?

A

Remove
Reduce
Red (mark in red)
Radio (advise pilot)

22
Q

All aircraft can land on a slope ______ or less with no advisory given?

A

7 degrees

23
Q

All aircraft can land on a slope ______ or less with no advisory given?

A

7 degrees

24
Q

When slope exceeds 7 degrees, _____ aircraft that utilize skids will _______ __ ____?

A

Terminate at hover

25
Q

When slope measures between ______, large UH and CH aircraft will be issued __ ______.

A

7 and 15 degrees

An advisory

26
Q

How will large UH and CH aircraft land when slope exceeds 7 degrees?

A

Upslope

27
Q

If slope exceeds 15 degrees, can aircraft land?

A

No, they must terminate at hover

28
Q

What is ground slope expressed in?

A

Degrees

29
Q

What is the formula for slope estimation?

A

(Difference in elevation / Horizontal distance) x 57.3

30
Q

What is the conversion factor for feet to meters?

A

1 meter = 3.28 feet

31
Q

How must you always round when finding a slope?

A

Up

32
Q

How must you always round when finding a slope?

A

Up

33
Q

In terms of land heading, how are approaches and departures ideally made?

A

Along the long axis of the HLS
Over the lowest obstacle
Into the wind

34
Q

What is the obstacle buffer and obstacle ratio?

A

100 meters or 10:1 (whichever is greater) for ends

10 meters to each side

35
Q

When can the obstacle buffer and ratio be reduced?

A

By authority of the GUC

36
Q

What is the reduced obstacle buffer and obstacle ratio?

A

50 meters or 5:1 (whichever is greater) for ends

10 meters to each side

37
Q

How should you always attempt to land aircraft?

A

Into the wind

38
Q

How should you always attempt to land aircraft?

A

Into the wind

39
Q

T/F: Wind direction within 45 degrees left or right of land heading is considered a head wind.

A

True

40
Q

Aircraft can generally land with a crosswind between ____ or a tailwind between ____.

A

0-9 knots

0-5 knots

41
Q

Pilots must land into the wind when tailwind or crosswind exceeds ____.

A

9 knots

42
Q

How much can a departure heading vary from land heading?

A

Up to 45 degrees

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