Offshore Aviation

OEG are leading suppliers of Offshore Aviation Services from our established network of global bases our highly qualified and skilled team can provide oil and gas operators and platform owners packaged solutions to meet their aviation requirements.  From inspection services compliant to UK CAA CAP 437 to rental or purchase of helifuel systems, tanks and associated spares, OEG Offshore offer a one stop solution for your offshore aviation needs. 

Through a strategic collaboration with Harran Limited, a leading offshore aviation refuelling services specialist, customers have access to a wider range of helifuel equipment and services from locations in the UK and worldwide. 

Harran Limited, an OEG Offshore company

Our team has over 30 years inspection experience in the offshore aviation industry.  Our main areas of expertise include Offshore Helideck and Refuelling System Inspections to UK CAA CAP 437 as well as Refuelling Operator Training and Refuelling Systems, Helideck Friction Testing as well as Maintenance, Spare Parts and Consumable Supply. 

As regulations change, we keep customers informed of the updated requirements to ensure compliance with the current CAP 437 regulations.

Download Offshore Aviation Services Flyer

Helifuel Audit by OEG Offshore  Offshore Aviation Services to UK CAA CAP 437 from OEG Offshore

We offer three-monthly, six-monthly and annual audit inspections of Helicopter Fuelling Systems in compliance to the UK CAA CAP 437 Guidance Standard.  Our helifuel services also include commissioning, testing and maintenance of offshore systems and components to UK CAA CAP 437. We can also provide testing procedures including hose pressure tests and flow meter calibration tests. We supply a full range of system spare parts and consumables, fuel sampling equipment and fuel delivery & transfer hoses.

Offshore fuel installation inspections and audits should be conducted to ensure that all maintenance procedures required by fuel system manufacturer, local aviation authority and any other regulatory body requirement are strictly followed. Call OEG Offshore and speak to our experienced technicians.

Helideck Audit Inspections

We provide periodic inspection of offshore helidecks to the UK CAA CAP 437 standard, Australian CAAP 92-4 and relevant Dangerous Goods regulations.  A Certificate of Audit is issued with a full inspection check list and audit report, noting observations and any non-compliance items.  

We also offer Helideck Surface Friction Testing to verify compliance with UK CAA CAP 437 ch.3.7 recommendations for the safe removal of a helideck landing net.

Helideck Friction Testing is carried out on oil and gas as well as offshore wind farm installations, FPSO vessels, military vessels and commerical yachts using the Micro Grip Tester which is approved and currently meets CAP 437 requirements. An electronic print out is included in the written report provided.

Helideck Duty Holder Audit -  OEG can also provide our customers with an interim duty holder Helideck Audit report (CAP 437).  The auditing complements our helideck friction testing, and both services can be undertaken by our fully trained engineers offering considerable savings in terms of bed space and flights.

OEG Offshore are experienced in working to weather dependent schedules of the oil and gas industry.

Download Helideck Inspection Services Flyer

Helideck Surface Friction Test Offshore

Micro Grip Tester

Helideck Friction Test Reading

Friction Test Report

OEG carrying out Helideck Surface Friction Testing aboard an IMR vessel berthed in Louisiana, USA.

OEG provides a practical, 'hands on' training course based on our experience and knowledge of world wide offshore rules and regulations including UK CAA CAP 437, Australian CASA and APPEA.

The focus of our course is to ensure the Helicopter Refuelling System Operator has all the competences required to safely deliver clean fuel to helicopters.

Course Contents and Objectives:

- Familiarize the operator with the main components and characteristics of an offshore refueling system
Understanding of world's best practice rules and regulations to ensure compliance
Understanding quality assurance routines and responsibilities
Daily sampling requirements, log sheet entry, receipt of fuel as per CAP 437
Understanding the HSE aspects of handling Jet A-1 fuel
Understanding fuel quality problems and the ability to deal with contamination
- Ensuring basic checks are in place to confirm the operability of the system
Awareness of potential safety problems and the contingencies to be in place

We can supply complete packages for rental or outright purchase, as well as the full range of spare parts and fuel sampling equipment.  All refuelling systems and equipment are fully compliant to the internationally recognized offshore guidance standard UK CAA CAP 437.  Systems can be built and configured to each customer's purpose.  Technical specifications and equipment package details are available on request. 

Aviation Hose Testing by OEG Offshore Helifuel Dispensing Unit from OEG Offshore
Aviation Hose Inspection Helifuel Dispensing Unit

Our extensive stockholding covers items required to service, maintain, repair and replace all the equipment from tank to aircraft. Working closely with our onsite technicians and our inspection engineers we pride ourselves in finding a solution to any problem.

In addition, we can source other parts of the helideck structure for specific customer projects, such as helideck landing area illumination, perimeter and landing netting installation and testing, roller guide boxes for the safe and efficient handling of fuel hoses and installation of earth proving units.

A selection of spare parts are available for sale from stock.  Please e-mail: or to order.

- Jar, c/w Lid 3.5 Ltr GJ1105/B
- Basket, for 3.5 Ltr Jar GJ 1106
- Capsule, Water Detection
- Syringe, Nylon 5ml
- Syringe, Jet Fuel (one hand)
- Wipes, Aimtech Prep/Process 7644
- Wipes, Chicopee for Solvent
- Lead, Earth 2.5m (ink S92)
- Lead, Earth Gravity Nozzle


Part of the system we can offer includes offshore rated Helifuel tanks, also known as offshore Jet A-1 Fuel Tanks.

We also offer certification support by way of our NATA accredited testing and inspection services throughout our Australian base network. 

Please contact for further details and availability.