13-217 Flashcards
0
Q
What is the minimum DZ size for CDS drops (C-130)
Up to 600 feet
A
400x400 yards
1
Q
How long prior to use should landing zone surveys be requested
A
120 days
2
Q
What is the minimum DZ size for CDS drops (C-17)
Up to 600 feet
A
450x590 yards
3
Q
What is the minimum DZ size for personnel drops
Up to 1000 feet
A
600x600 yards
4
Q
What is the minimum DZ size for heavy equipment
Up to 1100 feet
A
600x1000 yards
5
Q
What should DZ selection be based on
A
Enemy threats, mission requirements, A/C and aircrew capabilities, parachutist capabilities, types of parachutes, type of equipment dropped
6
Q
How do jump masters determine. Minimum DZ size for MFF
A
Based on number of personnel to be dropped, jumper proficiency, and prevailing winds
7
Q
What is a random approach DZ
A
A DZ with any axis of approach as long as the resulting DZ remains within boundaries of the original surveys DZ
8
Q
What are the dimensions for an area DZ
A
- no more than 15 NM in length
- 1 NM in width
- elevation change can not exceed 300 feet within 1/2 NM of centerline
9
Q
What is the criteria for a water DZ
A
- minimum of 10 feet and must be clear of obstructions to that depth
- free of debris with 400 meters of center of DZ
10
Q
What is the standard point of impact placement for CDS (C-130)
A
200 yards / day
250 yards / night
From the approach end
11
Q
What is the standard point of impact placement for personnel (C-130)
A
300 yards / day
350 yards / night
From the approach end
12
Q
What is the standard point of impact placement for equipment (C-130)
A
500 yards / day
550 yards / night
From the approach end
13
Q
What is the standard point of impact placement for CDS (C-17)
A
225 yards / day / night / IMC
275 yards / night PDA
From approach end
14
Q
What is the standard point of impact placement for personnel (C-17)
A
300 yards / day / night / IMC
350 yards / night PDA
From approach end
15
Q
What is the standard point of impact placement for equipment (C-17)
A
500 yards / day / night / IMC
550 yards / night PDA
From approach end
16
Q
What is a “water obstacle” defined as?
A
Any body of water that has a depth of 4 ft or more, length and width of more that 40 ft
17
Q
Bravo-3 message format is used for which type of DZ
A
Hasty/tactical DZ
18
Q
What are the aerial power line restrictions for DZs
A
- must be outside of 1000 meters from any DZ boundary
- if within 1000 meters, must. Be shut off NLT 15 min. prior to TOT
(Applies to power lines of 50 volts or greater)
19
Q
What is the surface wind limitation for USAF equipment
A
17 knots
20
Q
What is the surface wind limitation for USAF CDS bundles (G-12 parachutes)
A
13 knots
21
Q
What is the surface wind limitation for USAF CDS bundles (G-13/14 parachutes)
A
20 knots
22
Q
What is the surface wind limitation for HAARS, HV CDS, HSLLADS, or, HV-LCADS
A
No restriction
23
Q
What is the surface wind limitation for USAF training bundles (SATB)
A
25 knots
24
What is the surface wind limitation for RAAMZ/CRRC
25 knots
25
What is the surface wind limitation for non USAF equipment
At discretion of supported force DZSO
26
What is the surface wind limitation for USAF static line land/intentional tree
13/17 knots
27
What is the surface wind limitation for USAF static line water
25 knots
28
What is the surface wind limitation for USAF MFF land/intentional tree
18/22 knots
29
What is the surface wind limitation for USAF MFF water
25 knots
30
What is the surface wind limitation for USAF tandem
18 knots
31
What is the surface wind limitation for non USAF personnel
Discretion of unit DZSO
32
What is the circumference for a day and night 10 gram weather balloon
57" day
| 74" night (or two 60" balloons)
33
What are the authorized standard DZ marking letters
J, C, A, R, S
| H, O (circular DZ)
34
What is the minimum size and number of panels for DZ block letters
35'x 35' (11 meters x 11 meters)
| 9 panels minimum
35
Where are the flanker lights placed on a DZ at night
250 meters left and right abeam the PI
36
Where is the trailing edge beacon located on a night DZ
1000 meters from the PI or at the DZ trailing edge; whichever is closer
37
What are the two MFF DZ markings
Wind arrow and two light system
38
How do you set up a two light system
1 green light and 1 red light which is placed on the desired impact point 15-50 meters upwind
39
What are the dimensions for a MFF wind arrow
7 meters between lights/panels
| 14 meters between lights/panels at base
40
What is the preferred method of marking a water DZ
The recovery boat
41
What is the minimum amount of time prior to TOT to pass a drop clearance
2 minutes
42
How would you cancel a drop clearance
```
Radio transmission
Red smoke
Red flares
Red lights
Scramble panels
Any other pre-planned signal
```
43
How early should you transmit a "no drop" to the pilot
Early enough to allow time for authentication and NLT 1 min. prior to TOT unless an emergency arises
44
How far away from the PI must the controller be when CDS or HE are being dropped
200 yards / CDS
| 300 yards / HE
45
What are the standard GMRS markings
4 letter L
6 letter T
7 letter H
46
Where is the first panel placed in the GMRS
100 meters left of the line of flight
47
Where is the final panel placed in the GMRS
150 meters away from the previous panel
48
Where is the authentication light place din the GMRS
15 meters right of the first marker panel
49
What is the formula for dispersion distance
1/2SxE=L
S (aircraft speed)
E (exit time in seconds)
L (length of dispersion in yards)
50
What is the formula for wind drift
D=KAV
D (drift in yards)
K (load drift constant)
A (drop altitude in hundreds of feet)
V (velocity)
51
What is the load drift constant for personnel (static line)
3.0
52
What is the load drift constant for HE
1.5
53
What is the load drift constant for CDS
1.5
54
What is the load drift constant for HV-CDS
0
55
What is the load drift constant for door bundles
1.5
56
What is the load drift constant for SATB
2.4
57
What is the GMRS/VIRS forward throw distance for personnel (static line)/door bundle
250 yards (C-130/C-17)
58
What is the GMRS/VIRS forward throw distance for personnel (MFF)
328 yards (C-130/C-17)
59
What is the GMRS/VIRS forward throw distance for HE (C-130)
500 yards
60
What is the GMRS/VIRS forward throw distance for HE (C-17)
700 yards
61
What is the GMRS/VIRS forward throw distance for CDS (C-130)
550 yards
62
What is the GMRS/VIRS forward throw distance for CDS (C-17)
725 yards
63
What is the GMRS/VIRS forward throw distance for SATB (C-130)
160 yards
64
How are strike reports given to the pilot
Distance from PI in yards and relative clock direction
65
What is considered a PI
Any drop landing within yards of the PI
66
What are the three methods for scoring a drop
Estimating
Pacing
Measuring
67
What Air Force form is used for DZ surveys
AF 3823
68
What is the Air Force form for an HLZ
AF 4303
69
What is the Air Force form for LZs
AF 3822
70
What Air Force form do you use for LZ/DZ
AF 4304
71
What is the minimum runway dimensions for a U-28
2000 x 30 feet
72
What is the minimum runway dimensions for a C-130
3000 x 60 feet
73
What is the minimum runway dimensions for a C-17
3500 x 90 feet
74
What is the minimum runway dimensions for a C-5
6000 x 150 feet
75
What must you do with soil balls or dirt clods up to 6 inches in diameter and hardened clay up to 4 inches in diameter
Pulverize or remove from traffic area
76
What must you do to tree stumps in the traffic area
Remove and fill holes. Compact soil to weight bearing capacity of surrounding surface
77
When must potholes, depressions, and soil mounds be filled in on the traffic area
When they exceed 15 inches across the top and 6 inches in depth or height
78
What is the criteria for runway shoulders
10 feet wide with a maximum positive/negative grade of 3%
79
What is the criteria for a runway graded area
Graded area are adjacent to runway shoulder and should not have any obstacle greater than 4 inches in height(excluding runway markings). The width of the graded area varies from 35 to 375 feet. The minimum grade is 2% and the maximum grade is 5%
80
What is the runway clear zone
A clear area located at the ends of the runway with a width equal to that of the runway shoulders and length of 500 feet or 1000 feet.
81
What is the transitional area of a runway
```
An area extending outward beyond the graded area with a maximum positive slope of 10% and a maximum negative slope of 20%.
Width:
C-130 / 60 feet
C-17 / 70 feet
U-28 / 30 feet
```
82
What are the runway approach zones
A trapezoidal area extending outward from each clear zone within which no object may penetrate the glide slope angle.
83
What is the glideslope ratio for a U-28/C-130
35:1
84
What is the glideslope ratio for a C-17
20:1
85
What is the glideslope ratio for C-5
50:1
86
What is the runway overrun
A portion of the clear zone located as an extension to the end of the runway. Usually 10% of the runway length and used for safety and to minimize risk to aircraft on takeoff or landing
87
What is the minimum overrun for all LZ Operations
300 feet
88
What is AMP 1
Panels/lights will be placed a minimum of 500' to a maximum of 1000' apart. There will be two approach/departure boxes at both ends of the runway marking the touchdown zone.
89
What is AMP 2
Two touchdown boxes established on both the approach and departure end of the runway. Distance between panels/lights is 500 to 1000 feet.
90
What is AMP 3
A 500' box is established on the approach end of the runway while two panels(day) or a single light(night) is placed at the beginning of the overrun on the departure end of the runway
91
What is AMP 4
No markings on airfield
92
Where are mobile TACANS placed on an LZ
150 feet right of centerline and even with first set of approach panels/lights
93
What does a steady green light signify to an A/C on ground/air
Cleared for takeoff / cleared to land
94
What does a flashing green light signify to an A/C on ground/air
Cleared to taxi / return for landing
95
What does a steady red light signify to an A/C on ground/air
Stop / Give way to other A/C
96
What's does a flashing red light signify to an A/C on ground/air
Taxi leave of runway / Do not land
97
What does a flashing white light signify to an A/C on the ground
Return to starting point
98
What does an alternating red and green flashing light signify to A/C
Use caution
99
How long are LZ surveys good for
5 years
100
How long does an HLZ survey last
12 months and needs to be updated every 6 months
101
What is the rotor diameter for a MH-53
75 feet
| Contingency HLZ size : 125 width x 140 length
102
What is the rotor diameter for a CV-22
85 feet
| Contingency HLZ size: 135 width x 110 length
103
What is the rotor diameter for a UH-1
50 feet
| Contingency HLZ size: 25 foot clearance from any portion of the helicopter
104
What is the rotor diameter for a HH-60
60 feet
| Contingency HLZ size: 25 foot clearance from any portion of the helicopter
105
What is the rotor diameter for a MH-47
100 feet
| Contingency HLZ size: 110 width x 140 length
106
What is the rotor diameter for a AH-6/MH-6
27 feet
| Contingency HLZ size: 35 width x 40 length
107
What is the formula to determine percent grade
Rise/Run(100)=percent grade
108
Tree stumps must be cut to within how many inches of the ground in the clear zone
6 inches
109
How far away must ditches be away from the extended runway centerline in the clef zone
```
75 feet (C-130)
90 feet (C-17)
```
110
What glide slope ratio should be used when evaluating an HLZ
10:1
111
What percentage of slope would require a helicopter to hover only
15% slope
112
What is the ceiling minimum for USAF training drops
300 foot ceiling and half mile visibility
113
What must you do when the ceiling is less than 600 feet during training drops
Clear all personnel from the DZ no later than 5 min prior to scheduled TOT and remain off until airdrops are complete
114
How do you express steepness as a ratio
Vertical distance/horizontal distance
Example: how big an object can be 10,500 feet away using a 35:1 approach zone ratio
1/35=x/10,500
1/35(10,500)=x
300 feet=x
115
What is the length if the inner approach zone
10,500 feet
116
What is the width of the clear zone
500 feet
117
What is the formula for determining if an object exceeds the maximum positive slope in the transitional area
10%=rise/run(100)
118
What is the maximum allowed grade in the clear zone
5%
119
Where do you measured the glide slop ratio from on a landing zone
From the outer edge of the clear zone
120
How far away are panels placed from the operational edge of the runway
4'-10'
121
What is the width of the approach zoned
2,500 feet
122
What is the width of the taxiway for a C-130
30'
123
What is the width if the taxiway for a C-17
60'
124
Where are the gradients taken from on an LZ
Runway centerline
125
How far away must objects be from taxiway centerlines
95' / C-130
| 110' / C-17
126
How much distance must there be between parked A/C and taxiing A/C
25' - prepared
| 50' - semi prepared
127
How far away must obstacles be from the outer edge of the parking apron
85' / C-130
| 100' / C-17
128
What is the clinometer reading for a 35:1 glide slop ratio
1.68 degrees
129
What is the clinometer reading for a 20:1 glide slope ratio
2.86 degrees
