Hiller is the only light helicopter that can be serviced and maintained without extensive preparation work or removing cowlings. With the capacity for two crew members, the hiller oh23 raven was a light observation helicopter based on the hiller model 360. With its patented rotormatic flight control system, the alller uh12 series helicopters are one of the safest and most predictable trainhg helicopters ever designed. Among his early developments now under the united helicopters name included the uh4 commuter and the uh5b rotormatic which led to the singleseat uh12 light utility helicopter of the late 1940s.
Initial work on early models led to the model 360, known as the uh 12 a civil designation in spite of its similarity to us military designations. Hiller uh 12 e l helicopter structural repair manual. Efm, llc is not liable for the accuracy, effectiveness or safe use of any. Hiller aircraft corporation instructions for continued airworthiness no.
This ad schedule is applicable to hiller aviation uh12c manufactured under faa. Add to cart hiller uh 12 c helicopter flight manual. There were over 2,000 helicopters military and civilian of this series produced before production ended and there is still a healthy aftermarket for remanufactured examples of this study workhorse. Starting and runup of my hiller uh12 first start and runup of my hiller uh12 in about 2 years just to check for maintanance problems and such.
The big lycoming vo540c2a engine has plenty of grunt and is derated by map from 340 to 305 hp by not exceeding 25. Hiller helicopters uh12 series maintenance manual part. The hiller uh12 became the first helicopter to make a transcontinental flight from california to new york. Flight manual, equipped with skid gear or four wheel gear. The uh12 in service with the usarmy was designated h23 raven, redesignated oh23 raven observation helicopter in 1962. Hiller uh23 a, b, c helicopter service manual disclaimer.
Used as primary helicopter helicopters have trained thousands trainers in military fortes throughout the world, hiller of pilots since the 1950s with rollions of flight hours to their. Hiller helicopter uh12 bracket engine idle cut off pn 75158. Bell 204, 205, 212, 412, uh1, ground handling wheels. Hiller has responded to this need by making available. Hiller helicopters uh 12b helicopter 1952 flight manual, equipped with skid gear or four wheel gear. When it comes to ground handling wheels, select from the most costeffective, mechanical models and lightweight, emergency carryalongs designed with operator and aircraft protection in mind. Cockpit procedure card was on laminated stock and gave the instructions on how. Viii aircraft blueprints engineering drawings download. Hiller uh12 c helicopter flight manual aircraft reports. Download airframes helicopters manuals hiller helicopters page. Hiller uh 23 c helicopter flight manual disclaimer. The h23 helicopter was the military version of the hiller uh12 helicopter. Hiller helicopter manuals uh12 series essco aircraft.
Hiller helicopters uh12e series flight manual part. The oh23 trainer was jokingly nicknamed the hiller killer by united states army aviation student pilots who had to fly it. Hiller h23 raven hiller helicopter co was formed in 1942 for the development and production of helicopters. Hiller flying platform designed upon charles zimmerman concepts, 7 units built 1955. The hiller uh 12 series of helicopters has proven itselfwith over 10 million flight hours users of current production uh 12e helicopters such as the mexican navy have expressed the need for a training helicopter that offers ease of maintenance, long service lift and uncompromising safety. The story of the hiller uh12 with its us military designation oh23 raven all started with the ingenuity of the young stanley hiller, who had already designed and built his first helicopter a coaxial design at the age of 15. All model uh12 and uh12a aircraft fitted with wobble plate shield pn 34126 and forged lower cyclic scissors pn 34158. All model uh12b and uh12c aircraft fitted with forged lower cyclic scissors pn 34158. Overboosting tends to cause trouble in the drive train and mrotor hub. Hiller copter news 10th anniversary july 24 june 20. The hiller uh12 holds the unofficial altitude record for a piston engine helicopter following three landings for a successful rescue mission at 17,200 feet. Cfhs operates the hiller uh 12 helicopter which is a classic warbird aircraft, specifically designed for the u.
Issue 71997,rotorcraft,hiller uh12 series helicopters,main rotor hub,22 amdt 3 created date. Hiller uh 12oh 23g helo did a short circuit of the big island in american samoa last night and came up with these captures. This item is sold for historical and reference only. Alphabetical list of flight manuals flight manuals. The uh12 held origins in the company model 360 and saw a first flight in 1948. The hiller uh 12e boasts the highest useful load of any helicopter in its class. Stanley hiller, then seventeen, established the first helicopter factory on the west coast of the united states, located in berkeley, california, in 1942, under the name hiller industries, to develop his design for the. Hiller oh23 d, f g helicopter operators manual tm 55. The h23 helicopter was the military version of the hiller uh 12 helicopter, manufactured by the hiller aircraft company of palo alto, california. All models hiller uh12 series helicopters with main rotor hubs part number 51437.
The cruise speed is 71 knots 82 mph, 2 kmh and the. Yh32a ulv an ultralight helicopter incorporated h32 hornet s ramjet rotor and systems was designed to be transported and operated by the infantry. Theres a reason why the hiller uh12e is one of the most popular light helicopters. The hiller uh12 is a singleengine threeseat light utility helicopter produced by the usamerican manufacturer hiller helicopters inc. Hiller uh12b sn 729 readies for takeoff from the san carlos airport during the 5th annual vertical challenge air show produced by the hiller aviation museum. The hiller oh23 raven is a threeplace, military light observation helicopter based on the hiller model 360. Hiller aviation helicopter uh12e structural repair manual. The uh12e delivers more lift per dollar than any other helicopter in. Hiller aircraft company was founded in 1942 as hiller industries by stanley hiller to develop helicopters. The project is designed to manufacture 200 helicopters yearly with an annual output. Link luckett, the pilot, received a carnegie hero medal for heroism. Known as flying pickup trucks, hiller helicopters are the proven choice for agriculture, forestry and construction. Hiller uh12 a, b helicopter parts catalog manual aircraft reports aircraft manuals aircraft helicopter engines propellers blueprints publications see.
Aircraft manuals and publications required for any reason other than historical. Aviation unit maintenance and aviation intermediate maintenance manual for general tiedown and morning on all series army models, ah64, uh60, ch47, uh1, ah1, oh58 helicopters. Hiller oh23 raven model uh12 light utility helicopter. The hiller flight manual includes a depiction of the heightvelocity chart for safe. The hiller 8rj2b ramjet is the first americandesigned jet engine of any kind to be approved for production by the caa february 27, 1955. Uniter helicopter llc, find your hiller here, safe, fun. Hiller uh12 e l helicopter structural repair manual. Hiller aircraft corporation manufacturer of the worlds most. The dual wheels reduce twisting and strain on the skid tubes, as well as providing equal pressure on both sides of. He had received type conversion training on the hiller uh12 from an.
Cfhs selected the uh12 due to its rugged design and excellent safety record. The uh12 is an ideal learning environment for primary and advanced pilot training. Flight manual illustrated parts catalog aircraft engine, repair manuals. The model 360 was designated by the company as the uh12 uh for united helicopters, which was first flown in 1948. Hiller uh12 series helicopters adhiller 1222 amdt 3 main rotor hub 797 applicability. This was first produced commercially in 1948 and went on to see extensive service amongst military as the h23 series and civil. Uh1h and uh1v are used in conjunction with text contents, text headings and illustration titles to show limited effectively of the material. The h23 helicopter was the military version of the hiller uh12 helicopter, manufactured by the hiller aircraft company of palo alto, california. This aircraft was used for mosquito aerial spraying and has 2,921 hours of flight time and is kept in a climate controlled hangar. The hiller uh12, derived from the model 360 twoseater of 1948 with a 180hp franklin engine, occupies an important place in the history of the american helicopter industry in the fifties. A poor copy of a hiller uh12e hauler booklet from the early 1950s.