ISO 7010:2019 / ISO 3864-1
ISO E044 Lifejacket Sign
ISO E044 Lifejacket Sign means the E044 sign shows where lifejackets are stowed — true self-righting devices that turn an unconscious wearer face-up — answering the location question, while the instruction to actually wear one comes from a separate blue mandatory sign. It should be used where the cited standard, facility risk assessment, SDS, emergency plan, or written safety procedure requires this hazard or safety message to be communicated.
High-Res Viewer
Reference artwork: Wikimedia Commons · License: Public domain
Technical Data
| Legal Standard | ISO 7010:2019 / ISO 3864-1 |
|---|---|
| Color Codes | #009933 / RAL 6032 Signal Green |
| Viewing Distance | 100 mm: approximately 5 m; 200 mm: approximately 10 m; 300 mm: approximately 15 m; 400 mm: approximately 20 m; 600 mm: approximately 30 m. |
| Review Status | approved / last reviewed 2026-07-07 |
| Jurisdiction Scope | Global, United States, European Union |
| Keywords | e044, iso 7010, emergency, lifejacket, indicate, location |
Standard Dimensions Table
| Sign Size | Recommended Visibility |
|---|---|
100 mm | approximately 5 m |
200 mm | approximately 10 m |
300 mm | approximately 15 m |
400 mm | approximately 20 m |
600 mm | approximately 30 m. |
Where This Sign Is Used
Passenger ships mount photoluminescent versions on supplementary stowage boxes in corridors, at muster stations, and in public spaces, bridging the gap between where people are when the alarm sounds and where jackets sit. Ashore and offshore it marks crew transfer points for wind and oil operations, dredgers, drilling barges, ferry vehicle decks, and dockside gates beyond which flotation is mandatory, plus rescue boathouses, flood response stores, and dam inspection access points inland.
In-Depth Guidance
What E044 Indicates
E044 shows a person wearing a lifejacket on the green safe condition background and indicates where lifejackets are stowed. It is a location sign, not an instruction: the sign telling people to put a lifejacket on is a blue mandatory sign from the ISO 20712-1 water-safety series, while E044 answers the prior question of where the jackets actually are.
The sign marks adult-sized jackets by default. Stations holding jackets sized for children or infants take the dedicated E045 and E046 signs, a split that exists because handing an adult jacket to a small child in an evacuation produces a jacket the child can slide out of. Keeping the size classes visually separate at the signage level means the sorting happens before the emergency, not during it.
Stowage on Ships and the Abandon-Ship Sequence
SOLAS-class vessels carry a lifejacket for every person on board, plus additional jackets at remote work locations, for persons on watch, and at survival craft stations for people who arrive at muster without one. Passenger cabins typically hold jackets in or near them, and E044 signage bridges the gap between where people are when the general alarm sounds and where the nearest jackets sit, in corridors, at muster stations, and in public spaces.
The sign earns its keep in the abandon-ship sequence: passengers moving under stress along unfamiliar corridors need an unambiguous symbol, legible in smoke-dimmed emergency lighting, marking the supplementary stowage boxes. Photoluminescent E044 signs on stowage lockers at muster stations are standard practice on passenger ships for exactly this reason, and the same symbol recurs on the ship's fire and safety plans so crew and surveyors can cross-reference stowage positions on paper and on deck.
Lifejackets, Buoyancy Aids, and Work Vests Are Not Interchangeable
The word lifejacket has a specific meaning: a device with enough buoyancy, distributed correctly, to turn an unconscious wearer face-up and keep the airway clear. Buoyancy aids and work vests provide flotation assistance to a conscious swimmer but make no self-righting promise, which is why they are acceptable for supervised watersports and some over-water work yet do not satisfy abandon-ship carriage requirements.
E044 should mark true lifejackets only. A cabinet of kayaking buoyancy aids or inflatable work vests wearing an E044 sign misrepresents the survival capability on offer. Facilities holding mixed equipment should either segregate and sign the genuine lifejackets separately or use the general E061 water life-saving equipment sign for the mixed store, so nobody reaches an abandon-ship muster wearing a device never designed for it.
Uses Beyond Passenger Vessels
E044 appears wherever jackets are staged for donning before water exposure: crew transfer points for offshore wind and oil operations, dredgers and workboats, drilling barges, ferry vehicle decks, and dockside gates beyond which personal flotation is mandatory. Placing the sign at the issue point, and pairing it there with the blue mandatory-wear sign at the boundary, gives workers both halves of the rule in one glance.
Inland, the sign suits rescue boathouses, flood response stores, and bridge or dam inspection access points. Wherever it goes, keep the stowage stocked and serviceable, because inspections treat an E044-marked locker holding damaged or missing jackets as a live deficiency rather than a signage detail. Straps, buckles, lights, and whistles are part of the jacket's serviceability, so the periodic check covers the accessories as well as the buoyancy elements.
Frequently Asked Questions
What is the difference between a lifejacket and a buoyancy aid?
A lifejacket is designed to turn an unconscious person face-up in the water and support the airway; a buoyancy aid only helps a conscious swimmer float and assumes they can keep their own face clear. The distinction is formalised in performance standards by buoyancy level and self-righting behaviour. E044 should only mark stowage of true lifejackets.
Where are lifejackets required to be stowed on a ship?
SOLAS requires a lifejacket for every person on board, stowed so it is readily accessible, with extra jackets for watchkeepers and at remote stations, and on passenger ships additional jackets near muster stations for people who arrive without one. Stowage positions must be plainly indicated, which is the role E044-style symbols play on board.
Does the E044 sign mean I must wear a lifejacket?
No. E044 is a green location sign; it tells you where lifejackets are kept. The obligation to wear one is communicated by a blue circular mandatory sign or by site rules and permits. Many facilities post both together at the point where jackets are issued and the mandatory zone begins.
Are children's lifejackets covered by the E044 sign?
They have their own signs. ISO 7010 assigns E045 to child-sized lifejacket stowage and E046 to infant lifejackets, so that crew and parents can locate correctly sized jackets quickly during a muster instead of digging through adult stock. Use E044 for adult jackets and the specific variants where smaller sizes are stowed.