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post #1 of 2 Old 09-13-2008 Thread Starter
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PFD safety alert

I just received this from a member of our sailing association --

User Safety Alert
Subject: PFD inflation failure due to false positive service indicators and incorrect CO2 cylinder installation

Halkey-Roberts has become aware that some Halkey-Roberts’ inflators can indicate a green “Ready” status when the CO2 cylinder is not properly installed per the arming or rearming instructions. This false positive green indication occurs when the cylinder-bayonet assembly is inserted in the inflator, not turned, and the cylinder is not ejected.

Cylinders with bayonet tips are designed to be pushed in and turned 1/8th turn clockwise to a full stop to secure the cylinder. When the cylinder is not turned to secure it in place, the PFD will not inflate with CO2. (Note: The PFD may be inflated orally.) If the CO2 cylinder is not turned, the mechanism is supposed to eject it. In some production units a false positive green indication can be achieved by simply pushing the cylinder into the mechanism without turning it 1/8th turn to a full stop. With one of these units a user was led to believe the cylinder-bayonet was properly engaged without turning it due to the firm seating of the cylinder-bayonet which also prevented the cylinder-bayonet from ejecting as designed.

PFDs affected: Check the model number of the PFD (located on the manufacturer’s label) to see if your PFD is affected. The model numbers are:

Manufacturer PFD Model #

Mustang Survival Corp.

MD0100 LIFT Vest Manual
MD0200 LIFT Vest Auto
MD3081 Manual
MD3082 Manual with Harness
MD3083 Automatic
MD3084 Automatic w/Harness
All colors and styles

Contact Number
1.800.526.0532 (USA)
1.800.661.6181 (Canada)
Mustang Survival :: Immersion suits, inflatable life jackets, flotation vests, dry suits...

Protexion Products Inc.

NIV3500, with Harness
NIV4500, with Harness

Nautilus by Protexion - manufacturers of PFD's and Lifejackets
Customer Service email
Stearns Inc.
(also SOSpenders)


1.800.328.3208 ext. 1
Stearns Inc - Quality and safety products for hunting, fishing, watersports and industrial

User Action: Check your device to ensure that the inserted CO2 cylinder-bayonet has been fully turned clockwise prior to use. Use the arming/indicator instructions that follow if you are uncertain about the readiness of your PFD. If your PFD has been inflated, updated rearming instructions are attached.

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post #2 of 2 Old 09-13-2008
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Good to know Pegasus... I have at least one PFD that is on the list.


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Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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