EASA Heli Sa Cat 1 operations
In March 2024, NHV Group’s Danish entity became the first North Sea operator approved by EASA (European Union Aviation Safety Agency) to conduct operations with operational credits under Helicopter Special Authorization Category I (Heli Sa Cat I) operations. This approval enhances operational flexibility by increasing the number of accessible alternate locations within the fuel range, allowing NHV to continue flights when competitors are grounded and thus improving service for customers.
Key components of Heli Sa Cat 1 include safety management systems, pilot training, maintenance standards, and operational procedures. The approval offers several operational advantages over standard regulations, such as:
• Reduced minimum visibility from 550 meters to 300 meters.
• The ability to descend to 150 feet using the Instrument Landing System (ILS) or to go down to 130 feet when Low Visibility Procedures (LVP) are available, compared to the usual minimum descent altitude of 200 feet.
• Lower weather requirements for alternate airfields, with visibility reduced from 1,000 meters to 600 meters, and cloud ceilings lowered from 400 feet to 300 feet, improving operational days and payload capacity.
To obtain this approval, NHV utilized helicopters equipped with a 4-axis autopilot with automatic level-off, a feature in all H175 helicopters. Pilots underwent both theoretical and practical simulator training (completed during recent sessions in Marseilles) to meet necessary requirements.
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