DTA is introducing a true "Open Sky Convertible",
allowing you to fly all year long !

During winter, fly in a warm and sheltered environment!
In summer time, fly without the door in open air!


DTA exhibits the J-RO & its NEW GYROPLANE

during the AERO 2017 !

Come & meet us! Hall B1 stand n° 211

Friedrichshafen - Germany - April 5 to 8, 2017



Manufactured by DTA, a French company, the J-Ro offers you the best quality of design and construction, which makes DTA one of the world leader of ultra-light aviation.
SWEDEN 2017 : The first DTA J-RO is now registered in Sweden. Thanks to Robin.
AUSTRALIA 2016 : The first DTA J-RO purchased by our official distributor for Australia and New Zealand, Don Cramer, is flying in the sky of Brisbane.
SWITZERLAND 2016 : Noise tests passed with success for the DTA J-RO! The Swiss regulation requires 65 dB... the J-RO obtained 62.4 dB! The first J-RO 914 export is registered in Switzerland by AlpineGyro, official distributor for this country.
The DTA J-RO, version 914 and version 912S, have obtained the German BUT homologation, BUT n°939-15 1 and 939-15 3

CANADA: The file prepared by our distributor ULP Aviation for Transport Canada allows the DTA J-RO to fly under a Special Certificate of Airworthiness.

The J-RO DTA :

• Exceptional panoramic visibility.
• Removable butterfly doors (optional equipment).
• Bright and spacious interior that make you feel comfortable, even with the doors closed.
• Large and spacious cabin.
• Extraordinary comfort.
• Easy in and out access.
• Cruising speed 160 km/h - 99.5 mph.
• 500 km - 310 miles flying autonomy.
• And so much fun to fly!

The J-RO DTA is proposed with two motorizations : Rotax 912 ULS2 & 914 UL
• Several packs are available featuring different level of options: butterfly doors, travel bags, dual control.
• Other optional equipments are available to suit your taste: VHF, transponder, navigation lights, and more
Click the video below to see the introducing flight of the J-RO 912ULS during the "Blois Air Show" on September 2011. Thank you to Stephane Pegaz - pilot, Jacques Laboue - camera and Patrick Chevalier - video editing!

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Specifications and standard equipment:

• Motorizations Rotax 912ULS2 or 914 UL with slipper clutch
• Airframe made of aeronautic steel 25CD4 & stainless steel 304, TIG welded

• ETFE electrical cables wiring as standard

• Windshield and optional window doors made of aeronautic Plexiglas GS-241
• Roto-moulded fuel tank 70 liters (18.49 Gal) usable
• Rotor aluminium extruded Averso (France)
• Main wheel brakes hydraulically controlled Beringer 15x600-6"
• Pre-rotation by Kevlar driving belt and flex-shaft
• Main panel including analogue flight and engine instruments
• RPM rotor indicator
• Pre-installation for the VHF and GPS
• Approach front light
• Luxurious seats covered with coating leather and Alcantara

• Landing gear fairing and wheel spats made of carbon

PDF Downloading

  Technical documentation > PDF FILE
• Price List > please contact us
  Ausrüstung > PDF FILE
  • Preisliste > please contact us
  Brochure > PDF FILE (English and Deutsch)
  Term and conditions of sale> PDF FILE
  Here are the latest editions of the J-RO manuals. To update your J-RO documentation, please contact us!
  • POH J-RO BUT REV-03 2016-08 ENG
  • Maintenance manual J-RO 2016-06 ENG
  • Service Schedule Gyroplane J-RO REV-01 2015-02 ENG
  • Illustrated parts catalog
Technical Notes - pdf downloading
  You are a new J-RO DTA's owner, feel free to contact us!

BT-JRO-912-914-001 January 2015

Technical note "COMPULSARY" (red code: danger)

Tightening of the screws holding the rear wheels callipers on the J-RO


SB-J-RO-912-914-002 March 2016

Technical note "COMPULSARY" (grey code : note)

Checking of the J-RO prerotator


SB-JRO-912-914-003 June 2016

Technical note "COMPULSARY" (grey code : note)

Controlling the propeller hub for the DUC Flash II, Flash II LBT and Flash-Back PV and mounting a spacer

International Official Dealer

ULP AVIATION Inc. - Denis Anctil,

Tel. + 1 418 559 4422

Aéroport - 172 rue des Saules, QC G0S 2W0 Saint Lambert sur Lauzon



Tel. + 32 497 244 711 - ulmdpm@yahoo.com

EBAV Avernas Hannut


APFLYING - Andrzej Pluta,

Tel. +48 696 251 638

ul. Wschodnia 104 - 39-450 Wola Baranowska


Australia - New Zealand:


Tel. +61 746 251555 - doncramer@mac.com

St George & Dalby airports - Queensland



AlpineGyro ltd - Reto Trees - Jean-Pierre Fasel

Tel. +41 (0)76 376 16 95 - +41 (0)79 634 55 28 -


Aérodrome de Fribourg-Ecuvillens - 1470 Hauterive




Tel. 0086 188 3228 8881




Tel. 00977 9851040716



UL-BOLAGET - Robin Fjellström

Tel. 0046 (0)70 5481381 - info@ul-bolaget.se


Hedgatan 5E - 78463 Borlange


Please, feel free contact us or our representatives for any complementary information.
We will be happy to meet you and help!


Telephone: +33 (0)4 75 01 20 83
Headquarters and manufacturing plant : Aérodrome de Montélimar Ancône
F-26200 MONTELIMAR - France

A French manufactured product, and a development helped by OSEO Innovation
DTA can modify the characteristics and the prices of its products without notice. These information are given as indications. Photos. Non contractual photos.


© DTA / Not Maurice 2006-2012