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DEA Part 145 Maintenance

We are pleased to announce the opening of our new EASA Part 145 maintenance facility based at Retford / Gamston Airport (EGNE) in Nottinghamshire, specialising in the maintenance and management of Diamond aircraft and all other single and multi-engine piston aircraft, both composite and traditional aluminium structures.

The DEA Engineering Team in DEA’s existing hangar.

As the world’s largest fleet operator of the DA-42 Twinstar (currently 12), our team of engineers, technicians and stores managers have unrivalled knowledge and years of experience working on these modern sophisticated aircraft in support of DEA’s global Air Operators Certificate (AOC) operations.

We have recently had the opportunity to expand our facilities with the lease of a new hangar and larger offices, and are now able to offer our services to look after your aircraft.

DEA Hangar

With modern avionics, composite airframe and modern engine technologies capability DEA is perfectly placed to be your long term maintenance partner. We work closely with the manufacturer and are able to offer a service including a full Continuing Airworthiness Management Organisation (CAMO)capability allied to our in-depth engineering organisation.

For more information please feel free to call or email us at: or better still, visit us to see our facilities and discuss your requirements over a nice cappuccino!

DEA Part 145 approved maintenance hangar

Retford Airport is VFR only but Doncaster (EGCN) offers a full IFR capability with cloud break, 10 miles north of Gamston.

For clarity, DEA never was, and is in no way associated with Diamond Aircraft UK, which is a UK private company, which is not owned or affiliated with Diamond Aircraft Industries, and which, until recently, was on the Retford site but now has closed this operation and now operates only from Bournemouth Airport. DEA has employed some of the former staff from that operation.

If you are interested in a discussion please feel free to call our staff on and ask for information on our maintenance services and/or feel free to visit us face to face, subject to booking in with DEA operations on 01777 838731.

For more information feel free to email:

Recent news

DEA opens its door for Part 145 Maintenance

Six months after DEA was awarded its own Part 145 maintenace capablity, DEA has now opened its doors to other Diamond Aicraft operators as well as Piper/Cessna/Slinsgby operators.

Providing a very high quality service at reasonable prices, DEA welcomes aviators with a full service Part 145 and Part M (CAMO) service

DEA promotes Wout Eggens to Head of Flight Training

March 2015: Wout Eggens has been formally approved by the CAA to be the Head of DEA Flight Training, an EASA AOC Form 4 post holder position, one of the most challenging appointments in the industry.


DEA appoints former Red Arrow leader to augment DEA flight operations

February 2015:  Dicky Patounas joins DEA’s senior management team to help take DEA to the next level as the deputy head of flight operations with special responsibility for overall flight /ground operations co-ordination.

Dicky Patounas joins DEA after a 25 year eclectic and wide ranging flying career in the RAF latterly overseeing the introduction of Typhoon into both UK and Saudi operational service and previously two tours of duty with the Red Arrows, latterly as ‘Red One’ aka the most senior operational manager of the squadron.

DEA appoints Director of Engineering

January 2015: Gerald Cooper is appointed as Director of Engineering for DEA (Diamond-Executive Aviation) responsible for DEA’s Part M, Part 145 and Part 21 activities.

Gerald joins DEA from a multi discipline 25 year career in global aerial survey, freight and passenger operations where he has held almost all EASA/CAA post holder approvals. In addition, in his spare time, Gerald has represented the UK at the World Aerobatic Championships.

DEA and DA42 MPP mentioned in ThinkDefence Article

There is a general and widespread assumption that unmanned ISTAR is cheap ISTAR but I think the best that can be said of this assumption is that the jury is still out. Taking into consideration loss rates, bandwidth costs and other factors there is still a demand for manned ISTAR in high or low threat environments.

An example of this in a UK context is.. the continued use by the British Army of Diamond DA42’s in the fast jet/RPAS surrogate role for training support, contracted to the Army through 3DSL

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