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Class I Vessels
VESSELS 200 METERS (656 ft) OR MORE IN LENGTH
[IMO: 143 dB 1/3rd-octave band level at 1 meter]
Electric Horn -
Air Horns -
Steam Whistle
RECOMMENDED CLASS I SYSTEMS - FORWARD AND/OR AFT INSTALLATION:
- Click on the System Name for Details
& Technical Data in PDF format
System 1B, Electric and Compressed Air
System 1E1, One Electric Horn Only
System 1E2, Two Electric Horns
System 1A1-TVE, One Air Horn
System 1A2-TVE, Two Air Horns
- Click on the System Name for Details & Technical Data in PDF Format
System 1B-M, Electric and Compressed Air
System 1E1-M, One Electric Horn Only, Military
System 1A1-M, One Air Horn, Military
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