LRIT (Long Range Identification & Tracking)
medium
IMO-mandatory Long Range Identification and Tracking system. Transmits vessel identity, position, and time via satellite every 6 hours.
Known Models (3)
CLS (Collecte Localisation Satellites) LRIT Terminal
Satellite LRIT
· Navigation Data / Sensor
technology: Satellite
imo_required: True
Common Failures:
- • CLS data center dependency
- • Reporting interval compliance
- • Flag state registration
Service: CLS operates LRIT data center for many flag states.
Spares: CLS (Collecte Localisation Satellites): Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
Cobham (Sailor) LRIT via Inmarsat-C
Inmarsat-C
· Navigation Data / Sensor
technology: Inmarsat-C
imo_required: True
Common Failures:
- • Inmarsat-C dependency
- • Message scheduling issues
- • Configuration errors
Service: Uses existing Inmarsat-C for LRIT — no additional hardware.
Spares: Cobham (Sailor): Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
Pole Star Purplefinder LRIT
Satellite LRIT
· Navigation Data / Sensor
technology: Satellite
imo_required: True
ssas_combined: True
Common Failures:
- • Satellite subscription cost
- • Antenna placement
- • Configuration after flag change
Service: Combined LRIT and SSAS in one unit. Pole Star is major LRIT CSP.
Spares: Pole Star: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.