Stealth is an electronically controlled closed circuit mixed gas underwater Life Support System (LSS) designed for Mine Counter Measure / Explosive Ordnance Disposal (MCM / EOD) and Special Operations Forces (SOF) extended duration operations.
Strictly complying with magnetic signature standards MIL-DTL-19595D and AEODP-7 plus the low acoustic standard AMP-15, the Stealth LSS range is operationally proven globally and is in-service with various NATO and non NATO countries.
Stealth may be supplied with an integrated open circuit emergency breathing Secondary Breathing System (SBS), which may be augmented by a separate eXternal Breathing System (XBS) and / or a Surface Supplied Gas System (SSGS) for deeper diving applications. Dependent upon the variant selected, Stealth has a duration potential in excess of 8 hours.
Specifications
Weight and Dimensions of the Stealth
Height: 587mm
Width: 375mm
Depth: 170mm
Weight: 19kg
Configuration Options:
Stealth can be tailored to suit specific mission requirements via the use of the following accessories:
- Simple harness
- Buoyancy compensation device
- Bite mouthpiece and half mask
- Full face Dual Mode Mask (DMM)
- Dual mode bite mouthpiece assembly
- Open circuit bail-out options
- External Breathing System (XBS) bailout option
- Surface supply bailout options
- Cylinder options; 15 years or non-lifed
- Transport case
- Diver tool and test kit
- Maintenance tool and test kit
- Spares package
Performance
The system boasts a proven track record in a range of operational and environmental conditions.
With competitive evaluations conducted by independent government defence agencies and end user organisations, Stealth is in service with a number of prominent navies.
The Stealth Life Support System range is operationally proven globally, is in-service with numerous NATO and non NATO countries being the only electronically controlled Life Support System that strictly complies with the United States Department of Defence (DoD) magnetic signature standard MIL-DTL-19595D, NATO magnetic signature standard AEODP-7 plus the NATO low acoustic standard AMP-15.
100msw using Heliox or Trimix as a diluent gas
40msw using Air, Heliox or Trimix as a diluent gas
15msw “no decompression depth” (using Air as the diluent gas)
3-5 hour maximum dive time standard canister
6-8 hour maximum dive time with extended duration canister
Storage temperature -30°C to +70°C
Air temperature operation -20°C to +50°C
Sea temperature operation -2°C to +38°C
Fresh water temperature operation +1°C to +38°C
Non-magnetic to NATO STANAG 2897 A / AEODP-7
Low noise to NATO STANAG 1158 / AMP 15
Shock and vibration tested to relevant defence standards
Environmentally tested to relevant defence standards
300 bar safe working pressure non- magnetic class A composite cylinders
Operational Versatility
Stealth are multi-mission underwater life support rebreathers that provide a common platform to meet a range of operational roles throughout the water column.
Operational capability includes:
Very Shallow Water operations (VSW)
Deep Mine Countermeasure Explosive Ordnance; disposal to a depth of 100msw using Heliox/Trimix
Mine Countermeasures Explosive Ordnance; disposal to a depth of 40msw using an air diluent
Special Operations Forces (SOF)
Non-magnetic and low acoustic design
The requirement to meet NATO AEODP-7 Class A (STANAG 2897) without compromise is an operational necessity. Stealth CDLSE fully meets the requirements of AEODP-7 Class A (STANAG 2897) under both static and dynamic test conditions in all attitudes and for all components that may come into contact with magnetically sensitive ordnance.
Sea mines continue to increase in sophistication; in response Stealth CDLSE surpasses the low acoustic test requirements of NATO STANAG AMP15. Stealth CDLSE functions by analysing the breathing gas and through the automatic addition of 100% Oxygen, the Partial Pressure of Oxygen (PO2) is accurately maintained at a pre-set level dependent upon the depth.
Using three independent oxygen sensors, Stealth's control system rapidly and accurately responds to changes in life support system status.
A Diluent gas (Air, Heliox or Trimix) provides gas volume within the closed-circuit primary breathing system, whilst Carbon Dioxide (CO2) from exhaled gas is absorbed by the scrubber unit.
Further Information
Highlights of the JFD Stealth Life Support System which showcase the unit's versatility and capability:
| 54msw with Oxygen | Operates at depths of 54 meters seawater with oxygen. |
| 100msw with Heliox/Trimix | Supports deep dives up to 100 meters with Trimix or Heliox gases. |
| Multi-Mission Profiles | Versatile system suitable for a range of mission types. |
| Low Work of Breathing | Optimized for stealth operations by minimizing noise emissions. |
| Clip On/Clip Off Options | Flexible design for quick attachment and detachment. |
- Fully closed-circuit mixed gas electronically controlled constant oxygen partial pressure
- Front mounted counterlungs for minimal breathing resistance
- Downloadable dive log providing a detailed record of the dive
- Rechargeable main and reserve battery - long life
- Sealed electronics unit
- Water tolerant breathing circuit and water dump systems
- Oxygen sensors and circuits protected from moisture and water entry
- Composite 300 bar cylinders
- Backlit LCD hand display showing essential dive data
- High pressure DIN fittings
- Three independent oxygen sensors
- Automatic "bad sensor" removal and advanced oxygen sensor voting logic
- Various bailout options available
Designed to meet the full mission profile of today's Special Operations diver.
Read James Fisher and Sons plc's latest Annual Report