Synonyms / Other Terms Used
Boat Launching, Boat Launch Ramp, Slipway, Boat Deployer
Category
Transportation, Facilities, Tourism
Message / Function
For notice in general and to indicate the location of a boat launching area
| Source | Description | |
|---|---|---|
*) |
Parks Canada | Side view of a motor boat, two wheels with bar, solid triangle, wavy line below |
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Argentina SSTN |
Side view of a motor boat, wheel with bar, solid triangle, two wavy lines |
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NZS 8603 | Side view of a motor boat, wheel with bar, solid triangle, two wavy lines |
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TAC | Side view of a motor boat, wheel with bar, solid triangle, wavy line |
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Pierce | Side view of a motor boat on hanger, solid triangle with wavy contour at bottom |
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U.S. National Park Service |
Side view of a motor boat on hanger, solid triangle with wavy contour at bottom |
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SADC | Side view of a motor boat, wheel with bar, solid triangle, wavy line |
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BS 8501:2002 | Sailing boat with sails set, wheel with bar, solid triangle, two wavy lines |
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Nova Scotia | Side view of motor boat, wheel at bottom, tilted bar indicating ramp, three wavy lines below |
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Ecuador | Side view of a motor boat, wheel with bar, lines indicating ramp, two wavy lines |
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UKFC | Side view of a sailing boat, wheel at bottom, solid triangle below |
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Ordnance Survey | Side view of a sailing boat, wheel at bottom, solid triangle below |
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BTA 1989 | Side view of a boat, wheel at bottom, solid triangle below |
Note: Some of the examples shown above were mirrored horizontally to contrast differences.
Discussion
As a look at the table above shows, all pictograms in this collection are based on a side view of some sort of boat with at least one wheel below and an element indicating the ramp or slipway. While most variants also display water in some way, a few omit this element and still seem to be comprehensible.
Besides the variants shown here, additional signs exist to warn of a boat launching slipway, as for example the registered safety sign Reference No W044: Warning; Slipway from ISO 7010. In this case the graphic symbol shown inside the triangle is identical to BS 8501 Public Information Symbol No 9082: Slipway.
In our research we discovered that there is only very limited test data available, but since the image contents of the pictograms available do not vary to a large degree and regarding the good results, this still might be sufficient:
Evaluating the Parks Canada’s National Park and National Historic Sites symbols, also guidance and information symbols were examined using a Comprehension Test according to ISO 9186. For pictogram No 6-4-217: Boat Launch, labeled Parks Canada and marked with *) in the table above, 95 % of the responses were classified as acceptable, a score that can be considered as almost perfect (Ipsos-Reid Corporation, 2003, page 43).
Recommendations

Regarding the test results available we expect variants showing a side view of a hanger with boat on a ramp and water at the bottom to be well comprehensible. Therefore we recommend using a pictogram similar to this example pictogram from Pierce (1996): The International Pictograms Standard, page 134.
In the long term it would make sense to develop improved variants and to examine on basis of tests, if a specific kind of rendering has advantages concerning comprehensibility and legibility/visibility.
Tests of pictograms of referent Boat Launch
Ipsos-Reid Corporation (2003): Evaluation of Parks Canada’s National Park and National Historic Sites Symbols – Phase I.
See also
Boat, Port, Marina, Anchorage, Mooring
Motorboating, Sailing, Jet Ski
Updated 2026-08-12 by Christoph Brugger