13-217 Flashcards
What is the minimum DZ size for CDS drops (C-130)
Up to 600 feet
400x400 yards
How long prior to use should landing zone surveys be requested
120 days
What is the minimum DZ size for CDS drops (C-17)
Up to 600 feet
450x590 yards
What is the minimum DZ size for personnel drops
Up to 1000 feet
600x600 yards
What is the minimum DZ size for heavy equipment
Up to 1100 feet
600x1000 yards
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
How do jump masters determine. Minimum DZ size for MFF
Based on number of personnel to be dropped, jumper proficiency, and prevailing winds
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
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
What is the criteria for a water DZ
- minimum of 10 feet and must be clear of obstructions to that depth
- free of debris with 400 meters of center of DZ
What is the standard point of impact placement for CDS (C-130)
200 yards / day
250 yards / night
From the approach end
What is the standard point of impact placement for personnel (C-130)
300 yards / day
350 yards / night
From the approach end
What is the standard point of impact placement for equipment (C-130)
500 yards / day
550 yards / night
From the approach end
What is the standard point of impact placement for CDS (C-17)
225 yards / day / night / IMC
275 yards / night PDA
From approach end
What is the standard point of impact placement for personnel (C-17)
300 yards / day / night / IMC
350 yards / night PDA
From approach end
What is the standard point of impact placement for equipment (C-17)
500 yards / day / night / IMC
550 yards / night PDA
From approach end
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
Bravo-3 message format is used for which type of DZ
Hasty/tactical DZ
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)
What is the surface wind limitation for USAF equipment
17 knots
What is the surface wind limitation for USAF CDS bundles (G-12 parachutes)
13 knots
What is the surface wind limitation for USAF CDS bundles (G-13/14 parachutes)
20 knots
What is the surface wind limitation for HAARS, HV CDS, HSLLADS, or, HV-LCADS
No restriction
What is the surface wind limitation for USAF training bundles (SATB)
25 knots
What is the surface wind limitation for RAAMZ/CRRC
25 knots
What is the surface wind limitation for non USAF equipment
At discretion of supported force DZSO
What is the surface wind limitation for USAF static line land/intentional tree
13/17 knots
What is the surface wind limitation for USAF static line water
25 knots
What is the surface wind limitation for USAF MFF land/intentional tree
18/22 knots
What is the surface wind limitation for USAF MFF water
25 knots
What is the surface wind limitation for USAF tandem
18 knots
What is the surface wind limitation for non USAF personnel
Discretion of unit DZSO
What is the circumference for a day and night 10 gram weather balloon
57” day
74” night (or two 60” balloons)
What are the authorized standard DZ marking letters
J, C, A, R, S
H, O (circular DZ)
What is the minimum size and number of panels for DZ block letters
35’x 35’ (11 meters x 11 meters)
9 panels minimum
Where are the flanker lights placed on a DZ at night
250 meters left and right abeam the PI
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
What are the two MFF DZ markings
Wind arrow and two light system
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
What are the dimensions for a MFF wind arrow
7 meters between lights/panels
14 meters between lights/panels at base
What is the preferred method of marking a water DZ
The recovery boat
What is the minimum amount of time prior to TOT to pass a drop clearance
2 minutes
How would you cancel a drop clearance
Radio transmission Red smoke Red flares Red lights Scramble panels Any other pre-planned signal
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
How far away from the PI must the controller be when CDS or HE are being dropped
200 yards / CDS
300 yards / HE
What are the standard GMRS markings
4 letter L
6 letter T
7 letter H
Where is the first panel placed in the GMRS
100 meters left of the line of flight
Where is the final panel placed in the GMRS
150 meters away from the previous panel
Where is the authentication light place din the GMRS
15 meters right of the first marker panel
What is the formula for dispersion distance
1/2SxE=L
S (aircraft speed)
E (exit time in seconds)
L (length of dispersion in yards)
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)
What is the load drift constant for personnel (static line)
3.0