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.

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?

23
Q

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

24
Q

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

A

Terminate at hover

25
When slope measures between ______, large UH and CH aircraft will be issued __ ______.
7 and 15 degrees | An advisory
26
How will large UH and CH aircraft land when slope exceeds 7 degrees?
Upslope
27
If slope exceeds 15 degrees, can aircraft land?
No, they must terminate at hover
28
What is ground slope expressed in?
Degrees
29
What is the formula for slope estimation?
(Difference in elevation / Horizontal distance) x 57.3
30
What is the conversion factor for feet to meters?
1 meter = 3.28 feet
31
How must you always round when finding a slope?
Up
32
How must you always round when finding a slope?
Up
33
In terms of land heading, how are approaches and departures ideally made?
Along the long axis of the HLS Over the lowest obstacle Into the wind
34
What is the obstacle buffer and obstacle ratio?
100 meters or 10:1 (whichever is greater) for ends | 10 meters to each side
35
When can the obstacle buffer and ratio be reduced?
By authority of the GUC
36
What is the reduced obstacle buffer and obstacle ratio?
50 meters or 5:1 (whichever is greater) for ends | 10 meters to each side
37
How should you always attempt to land aircraft?
Into the wind
38
How should you always attempt to land aircraft?
Into the wind
39
T/F: Wind direction within 45 degrees left or right of land heading is considered a head wind.
True
40
Aircraft can generally land with a crosswind between ____ or a tailwind between ____.
0-9 knots | 0-5 knots
41
Pilots must land into the wind when tailwind or crosswind exceeds ____.
9 knots
42
How much can a departure heading vary from land heading?
Up to 45 degrees