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![NOAA Aviation Safety Program](art/aviationsafetysm.gif)
Helicopter Emergency Egress Device (HEED)
The HEED is a small self-contained breathing tank. It holds about 2 - 5 minutes of breathing air. Training is required to insure:
- Reliable use in emergency situation
- Conservation of air
- Underwater clearing to prevent water ingestion
- Realistic use timeline
- Limitations of design
- Avoiding an aeroembolism
HEED training normally requires 1/2 day of classroom training with 1/2 day pool "work". There are several different "generations" in-use; each with their own characteristics.
NOTE: This device is not mandatory for flight, but the training is required prior to issue or if a HEED is to be carried during a NOAA mission. The required training is waived for those personnel who hold a current PADI open water certification or who have had documented NOAA or Navy Dive Training.
HEED III SPECIFICATIONS
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Length |
8.75" / 22.23 cm |
Diameter |
2.25" / 5.71 cm |
Weight (full) |
1.51 lb / .687 kg |
*Air Capacity (Standard model) |
1.7 cu ft. / 48 liters |
Maximum Pressure |
3000 psi / 200 bar |
Surface Breaths (approx.) /
Time Duration |
30 breaths / 2-5 minutes |
Cylinder Rating |
DOT-3AL 3000
TC-3ALM-207 |
Refillable |
Yes |
Mounting/Wearing |
Fits into most flight vest pockets, or can be purchased with holsters that can be sewn onto a vest or worn on a belt. |
Configuration |
Single-stage, demand-breathing regulator attaches directly to an aluminum cylinder. |
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