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JAG 255 at Heli Expo in 2002

Jag Helicopter Group is promoter of the world's first turbine-powered, multi-bladed kit helicopter. Company manufacturing plant at Roseville covers 5,110m2 and employed 32 people in September 2002. The company has also announced that it intends to develop a four-seat version under the designation JAG 455 (four seats, five main rotor blades, five tail rotor blades) as well as a UAV version.


TYPE: Two-seat helicopter kitbuilt.

PROGRAMME: Mockup exhibited at Sun n Fun, April 2001 and EAA AirVenture, Oshkosh, July 2001. Prototype (unflown, but later registered N255JH) shown at Heli Expo, February 2002. Not believed to have flown by end of 2003.


  • JAG 235: Baseline version; two seats, three main rotor blades and three tail rotor blades.
  • JAG 255: Two seats, five main blades and five tail rotor blades. Otherwise generally as for JAG 235.
  • JAG 285: Two seats, eight main and five tail rotor blades. Otherwise generally as for JAG 235.

CUSTOMERS: Total 30 sold by July 2001.

COSTS: US$162,000 per kit for first 100 JAG 235s; approximately US$175,000 thereafter. JAG 255 US$184,000; JAG 285 US$223,000 (2003).

DESIGN FEATURES: Multiblade helicopter with shrouded, otherwise conventional, tail rotor. Three, four or five blades standard; six, seven or eight blade versions available to special order. Streamlined design wirh frock main landing gear mounted on large sponsons.

FLYING CONTROLS: Conventional and manual.

STRUCTURE: Composites.

LANDING GEAR: Wheeled tricycle type; fixed.

POWER PLANT: One 236kW derated Rolls-Royce 250-C18 turboshaft. Fuel capacity 265 litres.

ACCOMODATION: Two persons, side by side. Cockpit open at each side.

Jane's All the World's Aircraft, 2004-2005

Technical data for JAG 255

Main rotor diameter: 6.30m, tail rotor diameter: 0.91m, length overall, rotors turning: 7.21m, height overall: 2.44m, width overall: 2.82m, fuselage width: 2.54m, max. take-off weight: 1451kg, empty weight: 499kg, max. level speed: 233km/h, max. rate of climb: 549m/min, service ceiling: 4420m, hovering ceiling IGE: 2590m, hovering ceiling OGE: 1829m, range 642km, endurance 2h 45min

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Roger Maertens, e-mail, 31.10.2021reply

Who is the manufacturer of the rotor-blades of the JAG 285 ?
Who has more information of the these rotor-blades ?

Anonymous, 07.04.2021reply

RotorMouse is at Oxnard air port in Oxnard Ca
Awaiting a new clutch & fuel cell.

Skyshark & Mini Cobra in the wings being finished

Last heard Joe & Co kicked out of Oshkosh for causing a ruckus

Still waiting to see the Jag fly.....

See the Rotormouse fly.... on You Tube.

Jet Execs everywhere

West Schimmel, e-mail, 18.10.2016reply

Regarding the E-Mail from Phil 06 /5 /2013. Thanks for your Validation of the work on the Jag HeliCoptor.I have an opportunity to purchase the remnants of one of the kits that has been destroyed by a party that was not able to fulfill his financial obligation. At a glance I thought it was one of the old Scorpian kits so I asked the owner about it.Seemed like the man had some great ideas but financing was an issue.I would only be using it for a prop and realize that it is in no way going to ever be put in the air but it was educational information you shared with us. Thank you!

Werner Wiedon, e-mail, 29.03.2015reply

At 1987 Okt. I did the very first hour on Bell 47 at Springfield,Mo. USA - at this time I watch`ed very close and visited Dennis Feder at Exelsior Springs,Ka. for the Mini 500 and today the time is gone to bay a Mini 500 - buy the latest Turbine I would bay immediately with that Technik at Turbine !

Don Hillberg, e-mail, 02.01.2013reply

Happy New Year ! Shit still havn't seen the damn video of it flying ! From 1995 to 2013 and still nothing !

Chris McNichol, e-mail, 28.07.2010reply

is there any way we could make a deal about the price? is there anywhere else i could buy it if we couldn't?

Don Hillberg, e-mail, 30.08.2010reply

I'll put up $25 for a video of this thing flying,As of sept 2010, This work of fiction has never flown,Joe was kicked out of Oshkosh AirVenture late 1995+ and the Compeny folded-No Military deals-No civil deals-No kit deals. and any fool can see whats flying and whats getting wadded up by "pilots" on YOU TUBE. Ask all you want, all you get is static.....Even Mr Fetters has the proof of his machines flying.....Well Mr. Roberts? What did you realy fly? SEE ROTERMOUSE.MOV on You tube..Or any one of meny Jet Execs flying.....The JAG has never been seen in the sky...mayby its in the local dumpster .Proof is needed,Others need not waste your time asking for whats not available to anyone. (Could someone peal off the "Hillberg Helicopter" sticker from the gearbox? for proof that it still exists?)I'll bet not! DON"T ASK FOR JAG-ITS GONE-LONG GONE.

Don Hillberg, e-mail, 01.10.2010reply

October 2010, Mr Roberts I have not seen this work of fiction on video yet,Have the men in the white coats taken you away? The deal still stands,and I'm waiting, See and see the first turbine kit helicopter / The EH 1-01 Rotormouse was designed from the start as a turbine machine in 1992,and not an engine concersion...

Don Hillberg, e-mail, 31.10.2010reply

November 2010, Well ? I'M WAITING. Not a wiff of jet exhaust. No Sight , No sound , No movement . NOTHING.

vishal Bhatia, e-mail, 16.11.2010reply

am interested in this machine. please contact me on +919848030650

Don Hillberg, e-mail, 28.11.2010reply

Mr V.B. can't read, This JAG helicopter is a work of fiction, I've never ever hear,seen,or viewed this piece fly.I'm still waiting to see proof...WHERE IS IT?

Don Hillberg, e-mail, 29.12.2010reply

JS Sandon, Hello. The mouse was used in a movie in 2010,and a kit in New Zealand being built,The Exec with the turbine is one of my designs with some changes by Dave at Kiss Aviation about 100 delivered,Several single & twin engines being built but none flying out side of the prototypes, Engines are the T-62-T32, and depending on the type, RotorMouse (single seat-single engine), SkyShark (Single seat-single engine,Areobatic),TandemMouse (Two seat-Cobra looking single /twin engine), & KillerWhale (Two place single engine shark) Call 805-658-8245 Still looking for the video of the Jag in the air.....& the helicycle is a good buy,or a turbine exec.

JSSandon, e-mail, 28.12.2010reply

OK Don, I'll bite. I searched high and low for a Rotormouse since I saw one in the Aero Crafter book in the late 90's. I spoke to Joe Rinke about 2004. I have seen nothing come to fruition as of yet other than the turbine converted Mini 500's and the one video of the Rotormouse, made long ago , on Youtube. So, I want a turbine helicopter and am receiving formal helicopter training soon. Once I add a helicopter checkride to my list of certifications I will purchase a Helicycle unles I see something worthwhile elsewhere. I want something unusual and fun (but not a Rotorway.) My money will go to whomever has the proverbial "proof in the pudding." So I ask, do you have a kit readily availible for customers to purchase? What is your website? What engine does the kit use? Are there other engine options? How many others are flying? What is your "fleet" safety record? What are some of the most important maintenance reqirements of your design? Has a builders group designed a website or have any means to exchange information? How many kits have been sold to date? (plans excluded) Which major components are exclusive to your manufacture? A quick public comment on half of these will suffice. Thank you.

JSSandon, e-mail, 02.01.2011reply

Don, fair enough. Plan on receiving a call from me in reference to the Tandem Mouse. I like the idea of more fuel capacity and the once in a while passenger. I, like most I know, usually fly alone. If the Tandem Mouse looks as good as I assume it will no doubt be fun to fly around to different airports. We will communicate about all the little details on the phone. Thanks.

Don Hillberg, e-mail, 14.06.2011reply

Show the video-"Military my butt" last time it saw the light of day was at Oshkosh just before the bunch of you got ejected for not playing nice with each other. SHOW THE VIDEO>

Don Hillberg, e-mail, 01.08.2011reply

Good question,No kits ,No price, No video of it in flight,No power plant,No one cares, Still waiting to see the video of it in the air.

stoppel, e-mail, 01.08.2011reply

What is a Jag kit worth partially completed, kit only no power plant.

Don Hillberg, e-mail, 31.01.2012reply

Well another year & Still no video,damn it,How about a youtube link or something? Or is This POS just bad wind.

Barry Dost, e-mail, 26.05.2012reply

This was a nice dream but with enough cash you could do a rotorway jet exec & try to adapt a custom bell 222 landing gear setup. Hoplyfully someday I could aford to take on the project....

Don Hillberg, e-mail, 15.07.2012reply

Still no video of this thing. . .Damn it !

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