Vessel LOA < 20m
A high–power whistle according to IMO for vessels at sea up to 20m in length.
Approved air horn for each lenght European inland navigation vessels.
- Air-driven (Power source)
- 400Hz (Fundamental frequency)
Signalling whistle for vessels at sea up to 20 m in length at sea.
Approved for each lenght European inland navigation vessels.
- Electrically driven (compressor) (Power source)
- 345Hz (Fundamental frequency)
