CARP DROP ZONE Flashcards
What does CARP stand for?
Computer Air Release Point
CARP Primary Reference
DAFMAN 13-217
CARP Secondary Reference
AFMAN 11-231
C-130 CDS Day / Night PI
200 YDS / 250 YDS
C-130 Personnel / Door Bundles Day / Night PI
300 YDS / 350 YDS
C-130 Equipment Day / Night PI
500 YDS / 550 YDS
C-17 CDS / DRAS Day, Night, IMC / Night PDA (Pilot directed Airdrop) PI
225 YDS / 275 YDS
C-17 Personnel / Door Bundles Day, Night, IMC / Night PDA (Pilot directed Airdrop) PI
300 YDS / 350 YDS
C-17 Equipment Day, Night, IMC / Night PDA (Pilot directed Airdrop) PI
500 YDS / 550 YDS
When can the PI location be adjusted?
For Specific Mission Requirement. All participants must be briefed
How is the PI placed for lateral placement?
Atleast 1/2 the width of the minimum size DZ from the closest side of the DZ. All participants must be briefed
Where is HV-CDS PI positioned?
Center of the DZ for the 1st Item released
What are the three ways the PI can be placed on the DZ?
- Random PI
- Multiple PI
- Offset PI location
When mission requirements dictates, random point of impact may be used? What is option 1?
Mission CDR notifies the DZSTL NLT 24 hrs out and the PI will be randomly put on the DZ ensuring site requirements are within the DZ surveyed boundary
When mission requirements dictate, random point of impact may be used. What is option 2?
Mission or Supported Force CDR requests the PI put at a specific point NLT 24 hrs out. Ensures size requirements are within the DZ surveyed boundary
What is Multiple Point of Impact?
Allows for the calculated dispersal, both laterally and longitudinally of airdropped loads to predetermined locations on a DZ
What is Offset PI locations?
- C-17 Personnel drop in formation may require offset PI’s
- 250 YDS left or right of surveyed PI for a 3 Aircraft formation
- 125 YDS left or right of surveyed PI for a 2 Aircraft formation
What are the two options for Circular DZ?
- Option 1 (Surveyed) PI is at circular DZ center
- Option 2 (Mission Specific) PI is offset from circular DZ center
What are the code letters for all rectangular CARP Drop Zones?
J, C, A, R, S
What are the code letters for all Circular / Random Approach CARP Drop Zones?
H, O
What is the minimum daytime marking on a CARP Drop Zone?
Raised Angle Marker (RAM)
What may be used to supplement the RAM to distinguish between multiple Drop Zones?
Block Letter
How many panels make up a block letter and the size of it?
9 Panels or Lights. a minimum size of 35ft x 35ft
At Night, how many lights will you use to form the CARP block code letter?
9 Omni-directional white lights. a minimum size of 35ft x 35ft
At Night on a CARP Drop Zone, what 2 additional optional lights can you add?
2 white Omni-directional flanker lights placed 250m left and right of PI
The Amber rotating beacon is placed where?
Minimum of 1000m from the PI or trail edge of surveyed DZ (whichever is closer)
At what ceiling requires the control center for all drops to be located off the dropzone?
600ft or less
What is the Control Center?
Where the DZSTL controls and observes the airborne operation
Where is the Control Center located for Personnel / Door Bundles?
Located at the PI
Where is the Control Center located for CDS drops?
Located offset 200 yards to the left or right from the PI
Where is the Control Center located for Heavy Equipment drops?
Located offset 300 yards to the left or right from the PI
Where is the Control Center located for High Velocity, Free Drops, and AWAD?
Located off the drop zone but observed along with the PI.
It is the DZSTL responsibility to fill out this form in its completeness and accuracy
Strike Report AF IMT 4304
How far away can a PI strike be?
25 yards
DZSTL will get clock direction and distance off of 1st parachute suspended item
What are the THREE methods of measuring distance and direction to the 1st jumper to PI?
- Estimated
- Paced
- Measured
Who does the DZSTL forward his AF IMT 4304 to?
S3 Air then S3 Air forwards it to AMLO (Air Mobility Liaison Officer)
What is the minimum size of a VIRS DZ for personnel and door bundles?
275m x 275m
When shooting your azimuth to the PiBall, what do you use for the angle?
The Reciprocal Angle
What formula do you use to determine additional size requirements?
Distance = Rate x Time (DRT)
What formula do you use to determine Green Light?
Time = Distance / Rate (TDR)
What formula do you use to determine Drift?
Drift = K (constant) x A (Altitude) x V (MEW)
What is the first phase of establishing a VIRS / GMRS DZ?
Determining the release point location
What are the five steps for planning a VIRS / GMRS DZ?
- Determine Drop Heading
- Determine PI
- Determine the Wind Direction and Speed
- Pace of the Drift in meters into the wind
- Pace off the Forward Throw on the back azimuth of drop heading
How is planning for the RP conducted?
Backwards Planning
The drop heading on an Army VIRS / GMRS DZ takes what THREE factors into consideration?
- Long Axis
- Wind Direction
- Obstacles on Approach & Departure ends of the DZ
VIRS / GMRS PI for Personnel?
Centerline of DZ, 100m from the leading edge
VIRS /GMRS PI for Door Bundles?
Centerline of DZ, on the leading edge
VIRS / GMRS PI for CDS & HE?
Used PI locations on AF IMT 3823
What is Means Effective Wind?
Average wind from ground level to drop altitude
What are the PIBALL circumferences for 10 & 30 grams for Day?
10g : 57in
30g : 75in
What are the PIBALL circumferences for 10 & 30 grams for Night?
10g : 75in
30g : 94in
What is forward throw?
The effect that inertia has on a falling object.
When you pace off the forward throw, what is this location known as?
Release Point (RP)
Which ways can you adjust the RP during VIRS if it goes in the wood line?
Adjust forward, left, and right. Never backwards
Forward Throw for Personnel / Door Bundles C-17 & C-130
229m
Forward Throw for Heavy Equipment C-17 & C-130
C-17 : 458m
C-130 : 640m
Forward Throw for CDS / CRS / CRL C-17 & C-130
C-17 : 503m
C-130 : 663m
Forward Throw for SATB / TTB C-17 & C-130
147M
To determine Forward Throw for STOL or Rotary-Wing Aircraft
Divide the drop speed of the aircraft in half (Round-Up)
What are the four coded letters for US Army DZ?
H, E, A, T
How many lights are in each of the 4 code letters for VIRS Operations?
H - 9
E - 9
A - 8
T - 6
VS-17 Panels (Day) or Lights (Night) will be used to mark what for VIRS Operations?
The Release Point (Control Center)
Where will the DZSTL be positioned during VIRS / GMRS Operations?
Release Point
What 2 panels are used to mark a VIRS DZ?
Flank and Far Panels raise 45 degrees toward release point
What lights are all directional shining in the opposite direction of the flight?
All lights in code letter and @ Far Panel/Light. 10 total lights for VIRS DZ
Which way does the Flank light shine during VIRS operations?
Bi-directional. Opposite direction of flight & towards the RP
Where is the base panel of the code letter placed?
On the Release point
What two commands are given to the A/C when executing an off-set release?
Turn Drop heading and Execute
What is the primary reference for GMRS DZs?
USASOC Reg 350-2
What is the minimum size for a GMRS dropzone?
275m x 275m
What is the minimum size to fit all markings and RP on a GMRS dropzone?
300m x 275m
What must you do with the RP during GMRS operations?
Mark with some type of signal that is DISTINGUISHABLE.
If any GMRS markings fall within a 15:1 masking ratio on the approach end of the DZ and you can not adjust the selected PI location, you use what?
A far marker (VS-17 panel or HEAT)
Where is the code letter/light located for a GMRS dropzone?
On line with the corner light/panel
What are all the panels on GMRS DZ?
- Approach
- Corner
- Alignment
- Flank
How many lights are there for a GMRS DZ not including a code letter?
4
Far Marker light is needed when panels fall within the 15:1 obstacle ratio
Where is the Far marker located on a GMRS DZ?
Trail edge or where it is best seen
How far away is the RP / Control Center from the Corner Panel?
100m
How far away is the Control Center / Release Point from the Alignment Panel?
150m
How far away is the Approach Panel from the Corner Panel?
50m
How far away is the release point to the alignment light on a nighttime GMRS DZ
150m
How far away is the Control Center/ Release Point from the Flank Panel?
300m
How are the lights shining for GMRS?
In the opposite direction of flight
All markers for the GMRS DZ are oriented how?
Opposite direction of flight
Opposite direction of flight
2
