ERRV Rescue Calculators

Emergency Response and Rescue Vessel Operations

Professional tools for offshore emergency response planning and compliance

Rescue Time Calculator

Helicopter Ditching & Installation Escape

Calculate rescue times for helicopter ditching and installation escape scenarios. Supports up to 21 personnel rescue operations with multiple Daughter Craft configurations.

Features:
  • Up to 21 personnel rescue
  • Multiple wave height conditions
  • 1 or 2 Daughter Craft operations
  • 120-minute performance standard
  • Real-time timeline visualization

Multi-Asset OTSW Support

Multi-Asset Operations

Calculate rescue times for scenarios where DCs are providing OTSW cover at different assets and need to respond to an incident at another location.

Features:
  • DCs at multiple assets
  • Editable OTSW finish times
  • Individual distance calculations
  • 120-minute performance standard
  • Multi-vessel timeline

OTSW Calculator

Over The Side Work Operations

Calculate maximum distance for OTSW operations where personnel enter the sea. Designed for rapid response scenarios with strict time constraints.

Features:
  • Up to 4 personnel rescue
  • Maximum 3.5m wave height
  • 20-minute performance standard
  • DC close standby operations
  • Meeting point calculations

About These Calculators

Rescue Time Calculator

Based on PFEER Regulation 17 requirements for helicopter ditching and installation escape scenarios. Calculates rescue times for up to 21 personnel with multiple Daughter Craft configurations under various wave height conditions.

Performance Standard: Rescue of 21 people to a place of safety within 120 minutes.

Multi-Asset OTSW Support

Designed for complex multi-asset operations where DCs provide OTSW cover at different locations. Calculates response times when DCs must finish OTSW operations before responding to incidents at other assets.

Performance Standard: Rescue of up to 21 personnel to a place of safety within 120 minutes.

OTSW Calculator

Designed for Over The Side Work operations where personnel enter the sea. Calculates maximum distance ERRV can be from the incident to meet strict 20-minute performance requirements.

Performance Standard: Rescue of up to 4 personnel to a place of safety within 20 minutes.

Beta Version Notice

All calculations are in Beta and are awaiting verification. Any results from these calculations should not be used for real scenarios until verified.