Flashcards in 13-217 Deck (145):

1

## What is the rotor diameter for a AH-6/MH-6

###
27 feet

Contingency HLZ size: 35 width x 40 length

2

## What is the standard point of impact placement for equipment (C-130)

###
500 yards / day

550 yards / night

From the approach end

3

## What are the two MFF DZ markings

### Wind arrow and two light system

4

## What is the load drift constant for HE

### 1.5

5

## What is the GMRS/VIRS forward throw distance for personnel (static line)/door bundle

### 250 yards (C-130/C-17)

6

## What is considered a PI

### Any drop landing within 25 yards of the PI

7

## Tree stumps must be cut to within how many inches of the ground in the clear zone

### 6 inches

8

## What is the surface wind limitation for USAF MFF water

### 25 knots

9

## What is the minimum runway dimensions for a C-17

### 3500 x 90 feet

10

## What is the formula for determining if an object exceeds the maximum slope in any airfield zone

###
Slope % / 100 x (length of zone)

Ex. 5/100 x 35 = 1.75 feet

11

## What must you do to tree stumps in the traffic area

### Remove and fill holes. Compact soil to weight bearing capacity of surrounding surface

12

## What is the width of the exclusion area.

###
700' - unoccupied

1000' - occupied

13

## What is the preferred method of marking a water DZ

### The recovery boat

14

## What is the minimum runway dimensions for a C-5

### 6000 x 150 feet

15

## What is the distance of apron setbacks on LZs

###
190' / C-130

215' / C-17

16

## What is the surface wind limitation for USAF tandem

### 18 knots

17

## Where are mobile TACANS placed on an LZ

### 150 feet right of centerline and even with first set of approach panels/lights

18

## 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.

19

## What is the surface wind limitation for USAF CDS bundles (G-12 parachutes)

### 13 knots

20

##
What is the minimum DZ size for personnel drops

(Up to 1000 feet)

### 600x600 yards

21

## What are the aerial power line restrictions for DZs

###
- 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)

22

## Where are the gradients taken from on an LZ

### Runway centerline

23

## How much distance must there be between parked A/C and taxiing A/C

###
25' - prepared

50' - semi prepared

24

## What is the standard point of impact placement for CDS (C-17)

###
225 yards / day / night / IMC

275 yards / night PDA

From approach end

25

## What are the authorized standard DZ marking letters

###
J, C, A, R, S

H, O (circular DZ)

26

## What is the Air Force form for LZs

### AF 3822

27

## What is the glideslope ratio for a U-28/C-130

### 35:1

28

## What is a "water obstacle" defined as?

### Any body of water that has a depth of 4 ft or more, length and width of more that 40 ft

29

##
What is the minimum DZ size for CDS drops (C-17)

(Up to 600 feet)

### 450x590 yards

30

## What is the glideslope ratio for C-5

### 50:1

31

## What is the GMRS/VIRS forward throw distance for personnel (MFF)

### 328 yards (C-130/C-17)

32

## What is the clinometer reading for a 35:1 glide slop ratio

### 1.64 degrees

33

## How far away from the PI must the controller be when CDS or HE are being dropped

###
200 yards / CDS

300 yards / HE

34

## How do jump masters determine minimum DZ size for MFF

### Based on number of personnel to be dropped, jumper proficiency, and prevailing winds

35

## What is the surface wind limitation for USAF MFF land/intentional tree

### 18/22 knots

36

## What is the distance between runway center-line and near edge of taxiways on an LZ

###
250' / C-130

280' / C-17

37

## What is the width if the taxiway for a C-17

### 50'

38

## What are the dimensions for a MFF wind arrow

###
7 meters between lights/panels

14 meters between lights/panels at base

39

## What is the load drift constant for personnel (static line)

### 3.0

40

## What is a random approach DZ

### A DZ with any axis of approach as long as the resulting DZ remains within boundaries of the original surveys DZ

41

## How long prior to use should landing zone surveys be requested

### 120 days

42

## 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

43

## What is AMP 4

### No markings on airfield

44

## What is the surface wind limitation for USAF static line land/intentional tree

### 13/17 knots

45

## Where do you measured the glide slope ratio from on a landing zone

### From the outer edge of the clear zone

46

## How long are LZ surveys good for

### 5 years

47

## For HE and PE drops, what are the length and width adjustments for each 100' above the standard drop altitudes

### 30 yards to width and length (15 yards to each side/end)

48

## What is the criteria for runway shoulders

### 10 feet wide with a maximum positive/negative grade of 3%

49

## Where is the authentication light placed in the GMRS

### 15 meters right of the first marker panel

50

## What are the gradient ranges for taxiways

###
Maximum 2% per 100' longitudinal

0.5%-3% transverse

51

## What is the surface wind limitation for USAF static line water

### 25 knots

52

## What is the surface wind limitation for non USAF personnel

### Discretion of unit DZSO

53

## How far away must objects be from taxiway centerlines

###
95' / C-130

110' / C-17

54

## 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)

55

## What are the three methods for scoring a drop

###
Estimating

Pacing

Measuring

56

## What should DZ selection be based on

### Enemy threats, mission requirements, A/C and aircrew capabilities, parachutist capabilities, types of parachutes, type of equipment dropped

57

## What glide slope ratio should be used when evaluating an HLZ

### 10:1

58

## What is the minimum size and number of panels for DZ block letters

###
35'x 35' (11 meters x 11 meters)

9 panels minimum

59

## What is the load drift constant for HV-CDS

### 0

60

## What is the standard point of impact placement for equipment (C-17)

###
500 yards / day / night / IMC

550 yards / night PDA

From approach end

61

## What are the DZ adjustments for day visual formations

### increase width by 100 yards (50 yards to each side)

62

## How are strike reports given to the pilot

### Distance from PI in yards and relative clock direction

63

## What is the minimum amount of time prior to TOT to pass a drop clearance

### 2 minutes

64

## What is the rotor diameter for a MH-47

###
100 feet

Contingency HLZ size: 110 width x 140 length

65

## Where is the first panel placed in the GMRS

### 100 meters left of the line of flight

66

## What Air Force form is used for DZ surveys

### AF 3823

67

## What does a steady green light signify to an A/C on ground/air

### Cleared for takeoff / cleared to land

68

## What is the maximum allowed grade in the clear zone

### 5%

69

## How long does an HLZ survey last

### 12 months and needs to be updated every 6 months

70

## What is the length of the inner approach zone

### 10,500 feet

71

## Where is the final panel placed in the GMRS

### 150 meters away from the previous panel

72

## What is the clinometer reading for a 20:1 glide slope ratio

### 2.86 degrees

73

## What is the rotor diameter for a CV-22

###
85 feet

Contingency HLZ size: 135 width x 110 length

74

## What is the minimum runway dimensions for a C-130

### 3000 x 60 feet

75

## What is the surface wind limitation for RAAMZ/CRRC

### 25 knots

76

## What is the rotor diameter for a MH-53

###
75 feet

Contingency HLZ size : 125 width x 140 length

77

## 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

78

##
What is the minimum DZ size for CDS drops (C-130)

(Up to 600 feet)

### 400x400 yards

79

## 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.

80

## What is the GMRS/VIRS forward throw distance for CDS (C-130)

### 550 yards

81

## What is the GMRS/VIRS forward throw distance for HE (C-130)

### 500 yards

82

## Where are the primary DCP readings taken

###
1x in each overrun

3x in each touchdown area

Point of rotation

Primary braking area

83

## What percentage of slope would require a helicopter to hover only

### 15% slope

84

## What is the surface wind limitation for USAF equipment

### 17 knots

85

## What is the length of the inner edge of the approach/departure clearance inner edge.

### 500'

86

## What is the minimum runway dimensions for a U-28

### 2000 x 30 feet

87

## How far away must ditches be away from the extended runway centerline in the clear

###
75 feet (C-130)

90 feet (C-17)

88

## What is the GMRS/VIRS forward throw distance for HE (C-17)

### 700 yards

89

## What is the rotor diameter for a HH-60

###
60 feet

Contingency HLZ size: 25 foot clearance from any portion of the helicopter

90

## What are the dimensions for an area DZ

###
- no more than 15 NM in length

- 1 NM in width

- elevation change can not exceed 300 feet within 1/2 NM of centerline

91

## What is the load drift constant for CDS

### 1.5

92

## What is the taxiway clear area width

###
70'

93

## 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

94

## 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

95

## Where are the flanker lights placed on a DZ at night

### 250 meters left and right abeam the PI

96

## Bravo-3 message format is used for which type of DZ

### Hasty/tactical DZ

97

## What is the standard point of impact placement for personnel (C-17)

###
300 yards / day / night / IMC

350 yards / night PDA

From approach end

98

## What is the Air Force form for an HLZ

### AF 4303

99

## What are the DZ length adjustments for night visual drops

###
increase length by 100 yards (50 yards to each end)

* Does not apply to C-17 doing GPS drops

100

## For CDS drops, what are the width and length adjustments for each 100' above standard 600' drop altitude

### 40 yards to width and length (20 yards to each side/end)

101

## How far away are panels placed from the operational edge of the runway

### 4'-10'

102

## What is the runway clear zone

### A clear area located at the ends of the runway with a width equal to that of the primary surface and length of 500 feet

103

## What is the surface wind limitation for non USAF equipment

### At discretion of supported force DZSO

104

## What is the surface wind limitation for HAARS, HV CDS, HSLLADS, or, HV-LCADS

### No restriction

105

## What Air Force form do you use for LZ/DZ

### AF 4304

106

## What is the primary surface dimensions for an LZ

###
Runway length plus 1000 feet (includes clear zones).

C-130/150' wide

C-17/180' wide

107

## 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.

108

##
What is the standard point of impact placement for CDS (C-130)

###
200 yards / day

250 yards / night

From the approach end

109

## What is the ceiling minimum for USAF training drops

### 300 foot ceiling and half mile visibility

110

## What is the width of the clear zone

### 500 feet

111

## What is the load drift constant for door bundles

### 1.5

112

## What is the width of the approach zone

### 2,500 feet

113

## How would you cancel a drop clearance

###
Radio transmission

Red smoke

Red flares

Red lights

Scramble panels

Any other pre-planned signal

114

## How far away must obstacles be from the outer edge of the parking apron

###
85' / C-130

100' / C-17

115

## What is the standard point of impact placement for personnel (C-130)

###
300 yards / day

350 yards / night

From the approach end

116

## 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%

117

## What does a flashing green light signify to an A/C on ground/air

### Cleared to taxi / return for landing

118

## 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

119

## What is the glideslope ratio for a C-17

### 20:1

120

## What is the minimum overrun for all LZ Operations

### 300 feet

121

## What is the surface wind limitation for USAF CDS bundles (G-13/14 parachutes)

### 20 knots

122

## What is the formula to determine percent grade

### Rise/Run(100)=percent grade

123

## What is the formula for dispersion distance

###
1/2SxE=L

S (aircraft speed)

E (exit time in seconds)

L (length of dispersion in yards)

124

## What is the width of the taxiway for a C-130

### 30'

125

## What is the GMRS/VIRS forward throw distance for CDS (C-17)

### 725 yards

126

## What is the GMRS/VIRS forward throw distance for SATB (C-130)

### 160 yards

127

## What's does a flashing red light signify to an A/C on ground/air

### Taxi leave of runway / Do not land

128

## How do you determine actual glide slope ratio of an area

### Run/rise

129

## What does a steady red light signify to an A/C on ground/air

### Stop / Give way to other A/C

130

## What is the load drift constant for SATB

### 2.4

131

## 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

132

## What is the surface wind limitation for USAF training bundles (SATB)

### 25 knots

133

## 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

134

## What is the circumference for a day and night 10 gram weather balloon

###
57" day

74" night (or two 60" balloons)

135

## How many grade changes are allowed in the overruns

### No more than 1

136

## What is the rotor diameter for a UH-1

###
50 feet

Contingency HLZ size: 25 foot clearance from any portion of the helicopter

137

## What does an alternating red and green flashing light signify to A/C

### Use caution

138

## What are the standard GMRS markings

###
4 letter L

6 letter T

7 letter H

139

## What is the criteria for a water DZ

###
- minimum of 10 feet and must be clear of obstructions to that depth

- free of debris within 400 meters of center of DZ

140

##
What is the minimum DZ size for heavy equipment

(Up to 1100 feet)

### 600x1000 yards

141

## 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

142

##
What does a flashing white light signify to an A/C on the ground

### Return to starting point

143

## 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

144

## What are the DZ adjustments for night visual single ship/ formation drops

### increase width by 100 yards (50 yards to each side / 200 yards (100 yards to each side)

145