The ACR WW-3 Res-Q is an emergency whistle developed for the US Navy to locate people in the water. It produces a sharp, 102-decibel two-tone sound and features a flat design that does not retain water.
Special order item. We aim to ship this within 3 to 4 weeks after order confirmation.
Works without batteries, electronics, or thinking
The ACR WW-3 Res-Q is an emergency whistle developed for the US Navy to locate people who have gone overboard. It produces a shrill, 102-decibel two-tone sound, loud enough to be heard over a considerable distance.
The unique feature is its shape. The whistle is designed to be flat, preventing water from getting trapped inside. That may sound trivial, but a standard whistle filled with water will not make a sound, and that is precisely when you need it most. It includes an 18-inch (46 cm) lanyard, allowing you to attach it to your life jacket, a life raft, or your gear.
What makes a whistle indispensable alongside all your electronics: it always works. No dead battery, no broken antenna, no button to find with numb fingers. In fog, in the dark, or behind a wave, a search team will hear you long before they see you. This version, with part number 2228, is the retail-packaged version.
Why choose the WW-3 Res-Q emergency whistle?
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102 decibels: a shrill two-tone sound that can be heard over a considerable distance
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Flat design: does not retain water, so it works even when wet
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Developed for the Navy: designed to locate people in the water
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Always works: no batteries, no electronics, nothing that can fail
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18-inch (46 cm) lanyard: can be attached to a life jacket, raft, or gear
Who is this product for?
It belongs on every life jacket and in every emergency bag, regardless of the vessel you are on. It is standard equipment on professional and charter vessels, and for recreational boaters, rowers, kayakers, and open-water swimmers, it is the most cost-effective safety measure available. It is also useful on land, for example, for hikers in areas without cell phone reception.
What does it do for you?
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You will be heard before you are seen: sound carries through fog, darkness, and over waves
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Never empty: no battery that runs out at the wrong time
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Works when wet: the flat design does not trap water
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Costs almost nothing: the cheapest addition to your safety kit
Technical specifications
| Product type |
Emergency whistle |
| Part number |
2228 |
| Model |
WW-3 Res-Q |
| Version |
Retail packaged |
| Sound level |
102 decibels, two-tone |
| Design |
Flat, does not retain water |
| Lanyard |
18 inches (46 cm) |
| Origin |
Developed for the US Navy |
| Brand |
ACR |
Additional features
| Why flat |
A whistle that retains water will not produce sound when you need it most |
| Attachment |
To your life jacket, inside a life raft, or on your emergency bag |
| Bulk packaging |
This whistle is also available in bulk under part number 2227, with a high minimum order quantity |
| Combine with |
A strobe light for visibility and an emergency beacon for alerting |
Frequently asked questions
Why a whistle if I have an emergency beacon?
A beacon alerts search and rescue, but a whistle helps with the final hundred meters. If a search team is nearby but cannot see you yet, they will often hear you before they find you. Moreover, a whistle always works, even if electronics fail.
Does the whistle work if it is wet?
Yes. The flat design ensures that no water remains inside, allowing it to produce sound immediately after immersion.
How loud is 102 decibels?
Comparable to a chainsaw at close range. That is loud enough to be heard over a significant distance, even over wind and crashing waves.
What does "special order" mean for this item?
We do not keep this item in standard stock. We order it for you from ACR and aim to ship it within three to four weeks after order confirmation.
Downloads and official information
