Sound Signaling Device
medium
COLREG-required sound signaling equipment. Whistle (horn) and bell mandatory. Gong required for vessels ≥100 m.
Known Models (5)
Ibuki Marine Whistle
Pneumatic
· Navigation Data / Sensor
· Pneumatic whistle
type: Pneumatic whistle
colreg_required: True
Common Failures:
- • Air compressor dependency
- • Whistle chamber corrosion
- • Sound tube blockage
Service: Japanese manufacturer. Popular on Asian-built vessels.
Spares: Ibuki: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
Kahlenberg D-0A Marine Horn
Electric
· Navigation Data / Sensor
· Electric horn
type: Electric horn
colreg_required: True
Common Failures:
- • Horn diaphragm cracking
- • Electrical connector corrosion
- • Mounting bracket fatigue
Service: US manufacturer. Various sizes for different vessel lengths.
Spares: Kahlenberg: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
Kockum Sonics Supertyfon MKT 75/150
Pneumatic/Electric
· Navigation Data / Sensor
· Ship whistle
type: Ship whistle
range: 2 NM
colreg_required: True
Common Failures:
- • Air compressor failure
- • Diaphragm deterioration
- • Solenoid valve sticking
Service: Swedish manufacturer. Standard ship horn for large vessels.
Spares: Kockum Sonics: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
Marco Marine Horn
Electric
· Navigation Data / Sensor
· Electric horn
type: Electric horn
Common Failures:
- • Compact size — limited range
- • Moisture ingress
- • Relay failure
Service: Italian manufacturer. Good for smaller commercial vessels.
Spares: Marco: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
Zollner Marine Signal Horn
Electric/Pneumatic
· Navigation Data / Sensor
· Signal horn
type: Signal horn
colreg_required: True
Common Failures:
- • Pneumatic air supply failure
- • Electric coil overheating
- • Sound level degradation
Service: German quality. Electric and pneumatic options.
Spares: Zollner: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.