This Section includes entities that supply specialist mechanical engineering services, and special engine parts fabrication, sizing and finishing as well as overhaul and heavy repairs requiring specialist attention.  DH parts and standard components such as bearings will be found in Section 21.
Please note: the British CAA does not currently recognise any Type Design Organisation for the de Havilland Gipsy series engines.

ATN Revisie (Aircraft Division)
(Jac van Egmond)
Plesmanstraat 10,
7903 BE Hoogeveen,
Netherlands
Tel: +31 528 237 132
Fax: +31 528 240 858
Email: info@atn-aircraft-division.com
(Specialist piston engine workshop.  Experience in all Gipsy types. ATN is EASA-PART-145 Certified (N°.DE.145.0116) and has a specialist antique aircraft restoration unit. Moth Club members invited for coffee at ATN’s premises on Hoogeveen airfield (EHHO))

B.B.A.E.S,
(Ben Borsberry)
24 Woodlands Road,
Sonning Common,
Nr. Reading,
Berkshire RG4 9TE.
Telephone/Fax: 0118 9 723583

CFS Aeroproducts Ltd.,
(Martin Slater),
The Alvis Works,
Bubbenhall Road,
Baginton, Coventry, CV8 3BB
England
Tel: +44 2476 305 873
Fax: +44 2476 302 088
Email: mslater@cfsaeroproducts.co.uk
(CFS Aeroproducts is a subsidiary of Air Atlantique, well known for its fleet of vintage transport aircraft. It repairs and overhauls the DH Gipsy Major, Queen II and III and Queen 30 & 70 engines)

Crofton Aero Services,
(Paul Groves),
31 Russell Road,
Lee-on-Solent,
Hampshire PO13 9HR.
England
Tel: +44 2392 551 870
Mobile: 07958 240 890
Email: grovesmoth@ntlworld.com
(Crofton Aero Services specialises in restoration and repair, overhaul and product support of vintage aircraft and has extensive experience of Moths and the Gipsy Major engine)

Deltair Airmotive Ltd.,
(Dave McEwan),
17 Aston Road,
Waterlooville,
Hampshire, PO7 7XG,
England

Tel: +44 239 225 5255
Fax: +44 239 225 5534
Email: davemcewan@deltair-airmotive.com or sales@deltair-airmotive.com
(Deltair Airmotive is JAR145 approved (CAA00687) in categories B2, C7, C14, C16 & D1. It is also FAA approved. Deltair Airmotive has a CAA Type Responsibility Agreement for the de Havilland Gipsy Major engine. In December 2003 Deltair announced plans to establish a new engine overhaul facility at White Waltham aerodrome)

Gosnay’s Engineering Company Ltd.,
(Adrian Wilkes),
Mawney Road Junction,
Eastern Avenue, Romford,
Essex, RM7 7NS,
England
Tel: +44 1708 740 668 or 743 331
Fax: +44 1708 733266
E-mail: sales@gosnays.co.uk
(Precision engineers and engine overhauls specialist; cylinder head work, crankshaft grinding, welding, white metalling, and manufacture of one off parts.  Extensive stocks of vintage and veteran parts)

Jade Air plc – Norvic Engine Division,
(John Howard),
Unit 5, Levellers Lane, Eynesbury,
St. Neots, Cambridgeshire,
PE19 2JL,
England
Tel: +44 1480 404 261
Fax: +44 1480 404 464
Email: norvic@jadeair.co.uk
(Formerly Norvic Aero Engines Ltd., now part of Jade Air group.  Overhauls and repairs Gipsy Major engines.  FAA and JAR 145 approved)

Macquarie Grove Aviation,
Hangar 53,
Camden Airport,
Camden,
N.S.W.  2570
Australia.
Tel:  61 4 655 2811
Fax:  61 4 655 1995

Mothcair Aviation Services
(Nick and Greg Challinor)
The Airfield,
Murwillumbah,
New South Wales 2484,
Australia
Tel/Fax: +61 2 6672 1592
Email: mothcair@qld.chariot.net.au
(Mothcair has thirty years of experience restoring aeroplanes, and the list of credits is long: They include a DH84 Dragon, and many, many Tiger Moths. In process (2005) are a Gipsy Moth, a Fox Moth and a Leopard Moth. Mothcair overhauls Gipsy engines too, but usually only for the aircraft it is restoring)

New Garden Aviation,
(Alexis I. du Pont)
P.O.Box 481,
Toughkenamon,
PA 19374-0481,
United States of America
Tel: +1 610 268 2048
Fax: +1 610 268 0342
Email: AlexisIduPont@cs.com

Bill Orbeck
7325 Meadowmist lane,
Ferndale, WA 98248,
USA
Tel/Fax: +1 360 384 6203
Email: bill_orbeck@netzero.net
(Bill Orbeck, Tiger Moth owner for 44 years (2006), offers complete and top overhaul of all series of Gipsy Major engines as well as overhaul of Plessey vacuum pumps. Engine services include replacement valve guides and seats, the oil control ring modification and Nu Chrome cylinders to original bore dimensions)

Thompson Aero
(Glenn Thompson)
796 Childers Road,
Gisborne 4010,
New Zealand
Tel (hangar): + 64 6 867 4100
Tel (residence) + 64 6 867 9815
Fax: + 64 6 867 4101
Email: av8or@ihug.co.nz
(Glenn Thompson has two Tiger Moths and a Gipsy Moth of his own, and Thompson Aero maintains other people’s aeroplanes, including Chipmunks and Tiger Moths. Undertakes top overhauls on Gipsy Major engines)

QDM Services,
(Paul Lipman),
Long Acre,
East Hill Road,
East Hill,
Nr Otford,
Kent TN15  6YD
England
Tel: 01959 523186
E-mail: PGLipman@aol.com

Rigtec Engineering Ltd.,
(David Henry, Managing Director;Tony Wytenburg, Workshop Manager)
17 Park Terrace, P.O.Box 968,
Blenheim 7315,
New Zealand
Tel: +64 3 577 5870
Fax: +64 3 577 9870
Email: rigtec@xtra.co.nz
(Rigtec is led by qualified aeronautical engineers. Specialties include one off aircraft component machining)

Stauffer Aero -
A Division of Heritage Aero Ltd.,
(Tim & Carol Morrison)
103, 5655 10-Street NE,
Calgary,
Alberta T2E 8W7,
Canada
Tel: +1 403 274 3636
Fax: +1 403 274 3684
Email: saero1@telus.net
(Stauffer specializes in the custom overhaul of piston engines and their accessories.  It has done limited work on the Gipsy Major for local customers)

Vintage Engine Technology Ltd.,
(Michael Vaisey)
Fullers Hill,
Little Gransden Airfield,
Sandy, Bedfordshire,
SG19 3BP,
England
Tel/Fax: +44 1767 651 794
E-mail: office@vintech.aero
(Approved to EASA Part 145 N°. UK.145.00026)

Mat Voight
(Mat Voight)
1225 Jackson Court,
Beaumont, CA 92223,
United States of America
Tel: +1 909 499 4686
Email: algualvi@hotmail.com
(Based at Palm Springs Airport, California, qualified engineer Matt Voight is responsible for the maintenance of the Palm Springs Air Museum’s collection of airworthy WW2 aircraft. He is also known for looking after Chipmunks and Tiger Moths)

Yvelines Mecanique Affutage,
ZI route de Thiverval,
78640 St. Germain de la Grange,
France
Tel : +33 134 89 25 87
Fax : +33 134 89 86 82
(Specialist engineering service.  Carries tooling for Gipsy Major mod G2339. (Ingénierie spécialiste disposant de l’outillage nécessaire pour effectuer les modifications G2339))