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fol-da-tank|SKU:FWS-72F-var-56932-40c645

Fol-Da-Tank Flying Grey Water Helicopter Tank: 72–300 Gallon Helicopter-Portable Firefighting Storage

Rapid Remote Water Deployment for Wildfire Operations

Helicopter or truck transport — Moves water into inaccessible wildfire zones
Four capacity options — Choose 72, 134, 200, or 300 gallon sizes
Multi-mission versatility — Handles potable water, foam, and backpack fills
Heavy-duty bladder build — Constructed to withstand field deployment demands
  • Free Shipping -- Ships free to your location, no minimum

Price range: $739.00 through $2,429.00

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Fol-Da-Tank Flying Gray Water Helicopter Tank
Fol-Da-Tank Flying Gray Water Helicopter Tank
$739.00 $2,429.00Price range: $739.00 through $2,429.00

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In the box

  • Fol-Da-Tank Flying Grey Water Helicopter Tank in selected size
Fol-Da-Tank Flying Gray Water Helicopter Tank
Fol-Da-Tank Flying Grey Water Helicopter Tank: 72–300 Gallon Helicopter-Portable Firefighting Storage
$739.00 $2,429.00Price range: $739.00 through $2,429.00

Rapid Remote Water Deployment for Wildfire Operations

When you need to move water into remote wildfire zones, the Fol-Da-Tank Flying Grey Water Helicopter Tank is a smart investment. Each tank in this curated lineup carries 72 to 300 gallons of gray water, transportable by helicopter or truck to fill backpack tanks, deliver potable water, or extinguish duff embers. We vetted this equipment for real-world reliability, ensuring it handles foam retardants and light pumps without fail. Ships free with 30-day hassle-free returns. Financing available at checkout.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
Helicopter or Truck Transport
Wildfire & Ember Control
72 to 300 Gallon Options
Vetted for Field Reliability
72–300
Gallon Capacity Options
2
Transport Methods
$739
Starting Price
Field-Tested Bladder Construction Holds Up Under Fireline Demands

Field-Tested Bladder Construction Holds Up Under Fireline Demands

Every tank on Tank Vault is vetted before it earns a listing. The Fol-Da-Tank Flying Grey Water series uses a heavy-duty bladder construction built to endure repeated helicopter lifts, rough terrain handling, and direct wildfire deployment. This isn't the kind of equipment that fails mid-operation and leaves your crew without water. When you're flying supplies into remote burn zones, a compromised bladder means wasted flight time, grounded helicopters, and embers that keep burning. The Fol-Da-Tank bladder is engineered for exactly this scenario—reliable containment from pickup to drop, every sortie. It's an investment that performs when the margin for error is zero.

Four Sizes Match Your Aircraft Capacity and Mission Profile

Four Sizes Match Your Aircraft Capacity and Mission Profile

The Fol-Da-Tank Flying Grey Water line comes in 72, 134, 200, and 300 gallon capacities, giving you precise control over payload weight for different helicopter classes and mission requirements. A smaller 72-gallon unit works for rapid backpack tank refills on tight landing zones, while the 300-gallon model maximizes water delivery per flight on larger aircraft. This range means you're not overloading a light helicopter with unnecessary water weight, and you're not making extra flights with a tank that's too small for the aircraft you have. Always refer to the Helicopter Load Calculation and Manifest section of the Interagency Helicopter Operations Guide when selecting your size.

Multi-Mission Design Handles Water, Foam, and Potable Supply

Multi-Mission Design Handles Water, Foam, and Potable Supply

This tank serves multiple roles beyond basic gray water transport. It supports filling backpack tanks for ground crews, delivering potable water to remote fire camps, carrying foam retardants for direct suppression, and extinguishing duff embers in deep-burning fuels. Transportable by helicopter or truck, it adapts to your logistics chain rather than forcing you to work around a single-use container. If the tank has been subjected to fire, immediate inspection is required—but under normal field conditions, this multi-mission capability reduces the number of specialized containers your operation needs to purchase, store, and maintain.

Deployment Compatibility

Ensure your operation is ready for this portable tank system.

  • Requires helicopter or truck with adequate payload capacity
  • Designed for filling standard wildfire backpack tanks
  • Compatible with small and light pump systems

Primary Applications

Purpose-built for frontline wildfire response and remote water supply.

Filling Backpack Tanks
Potable Water Transport
Extinguishing Duff Embers
Foam Retardant Deployment

Full specifications

At a glance

Dimensions
134 gallon, 200 Gallon, 300 Gallon, 72 gallon
Full specifications5 data points across 4 categories

Dimensions

Available Sizes134 gallon, 200 Gallon, 300 Gallon, 72 gallon

Power & Performance

Capacity Range72 to 300 gallons

Materials

ConstructionSee product page

Compliance & Warranty

Operational ReferenceInteragency Helicopter Operations Guide
Returns30-day hassle-free

The Tank Vault Promise

Why professionals trust Tank Vault for critical equipment.

Vetted QualityWe only carry products that meet strict real-world performance standards.
Free ShippingShips free to your location with no minimums or conditions.
30-Day ReturnsIf it doesn't fit your operation, return it hassle-free within 30 days.

The Fol-Da-Tank Flying Grey Water Helicopter Portable Tanks are used to carry from 72 to 300 gallons of gray water to remote locations for fighting forest fires. 

These portable water tanks are transportable by helicopter or by truck and are used for filling backpack tanks, potable water and extinguishing duff embers.

Available Sizes:

  • 72 Gallons: 
  • 134 Gallons:
  • 200 Gallons:
  • 300 Gallons:

Applications:

  • Filling back pack tanks
  • Potable water
  • Foam retardants
  • Extinguishing duff embers
  • Small/light pumps
  • Gravity feed reservoirs
  • Potable water fabric is available (Part No. FDA72/FDA134)

72 Gallon and 134 Gallon Features:

  • Pyramid shape blivets
  • Heavy-duty vinyl 
  • Transportable by helicopter or truck
  • Heavy-duty harness
  • Kevlar thread
  • Sling harness webbing 
  • Potable water tanks available

72 Gallon Specs:

  • Collapsed Dimensions: 21″ x 20″ x 8″
  • Filled Dimensions: 45″W x 29″H
  • Empty Weight: 10 pounds
  • Discharge: 1″ hose with 3/4″ spigot
  • Filler Size: 4″ diameter

134 Gallon Specs:

  • Collapsed Dimensions: 19″ x 26″ x 4.5″
  • Filled Dimensions: 53″W x 43″H
  • Empty Weight: 12 pounds
  • Discharge: 1″ hose with 3/4″ spigot
  • Filler Size: 4″ diameter

200 Gallon and 300 Gallon Features:

Tank bladder constructed from heavy duty industrial polymer

  • The webbed harness is made from a durable nylon webbing and a forged cargo ring is attached with Kevlar thread
  • 4″ fill port
  • 1.5″ ball valve
  • NSF approved potable water fabric is available

200 Gallon Specs:

  • Filled Dimensions: 27″ x 29″ x 8″
  • Empty Weight: 25 pounds
  • Discharge: 1.5″ ball valve
  • Filler Size: 4″ diameter
  • Filled Weight: 2,030 pounds

300 Gallon Specs:

  • Filled Dimensions: 30″ x 32″ x 12″
  • Empty Weight: 35 pounds
  • Discharge: 1.5″ ball valve
  • Filler Size: 4″ diameter
  • Filled Weight: 3,100 pounds

Inspection of Fol-Da-Tank Flying Gray Water Tanks

  • Before/After each flight use: Inspect all heat sealed seams for any tears.
  • Inspect all stitching of the harness for any loose stitching.
  • Inspect the dropped forged aluminum choker delta rings.   (Rated at 40,000 lbs.)
  • Inspect the dropped forged “D” rings (rated at 5,000 lbs. each) or grab handles placed on the side of the tank bladder.
  • Inspect the 4” fill cap on top of the tank. (or a PVC flange if requested on the tank)
  • The flyer tank should be stress tested regularly by hanging the bladder from an engine hoist that is rated for the water weight, or a helicopter can raise the tank for aerial inspection.
  • Consider replacing the Flyer tank after 3-4 years of use.  This is if the tank has be use often.
  • Warranty is for 2 (two) years from purchase date.  Warranty includes: all heat sealed seams, and fabric UV delamination.  We only use the best quality fabrics and parts for this type of tank!!
  • Emergency patch kits are available.
  • Always store flyer tanks indoors in a clean dry area free of rodents and pests.
  • For 72 & 134 gallon flyers: Inspect all hose and connection outlets.

*Always refer to the Helicopter Load Calculation and Manifest section of the Interagency Helicopter Operations Guide.

CAUTION!  If the tank has been subjected to fire, immediate inspection is required!!

Testing of 72, 134, 200 & 300 gallon flyers before shipping to customer:

  • When cutting the fabric all fabric is inspected for imperfections
  • After the bladder is completed we inspect all heat sealed seams.
  • Inspection of webbing and hardware is done before assembly.
  • After completion of the bladder we air pressure test for any leaks
  • Hydro testing of bladders is done to see if there is any leaking.
  • The bladder is now cleaned and dried for shipment.
  • At each stage employees must initial their part of the assembly before shipping.
  • Maintenance, cleaning and warranty instructions are included with every tank.

 Additional Options:

  • See all Foldatank options.

Additional information

Size

134 gallon, 200 Gallon, 300 Gallon, 72 gallon

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About fol-da-tank Flying Grey Water Tank

fol-da-tank is a trusted manufacturer of premium flying grey water tank. TankVault is an authorized dealer offering the full fol-da-tank lineup with free delivery, price match guarantee, and expert support.

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