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Encyclopedia > Bell 206
Bell 206
Bell 206 JetRanger
Type Multipurpose utility helicopter
Manufacturer Bell Helicopter Textron
Introduced 1967
Status Active service
Primary users United States Army
United States Navy
Variants OH-58 Kiowa
Bell 407

The Bell Helicopter Model 206 JetRanger is a two-bladed main rotor, turbine powered helicopter with a conventional, two-bladed tail rotor. The aircraft uses hydraulic boosted flight controls. ImageMetadata File history File links Download high resolution version (1400x985, 280 KB) Canadian Helicopters Bell 206 File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... An aerospace manufacturer is a company or individual involved in the various aspects of designing, building, testing, selling, and maintaining aircraft, aircraft parts, missiles, rockets, and/or spacecraft. ... Bell Helicopter Textron is an American helicopter and tiltrotor manufacturer headquartered in Fort Worth, Texas. ... The United States Army is the largest branch of the armed forces of the United States. ... The United States Navy (USN) is the branch of the United States armed forces responsible for conducting naval operations. ... The OH-58 Kiowa is a family of single-engine, single-rotor, observation and light attack helicopters manufactured by Bell Helicopter Textron and originally based on the companys Bell 206A JetRanger helicopter. ... Bell 407 at Airport Niederrhein, Germany The Bell Model 407 is a civil utility helicopter, a derivative of the Bell Model 206-L4 LongRanger. The 407 uses a 4-bladed rotor system with a rigid, composite rotor hub instead of the 2-bladed conventional rotor of the Model 206. ... Bell Helicopter Textron is an American helicopter and tiltrotor manufacturer headquartered in Fort Worth, Texas. ... A rotor is the rotating part of a helicopter which generates lift, either vertically in the case of a main rotor, or horizontally in the case of a tail rotor. ... A helicopter is an aircraft which is lifted and propelled by one or more horizontal rotors consisting of two or more rotor blades. ...

Contents

Development

In October 1961, the Army submitted a request for proposals (RFP) for the Light Observation Helicopter (LOH). Bell, along with 12 other manufacturers (including Fairchild-Hiller and Hughes Tool Co. Aircraft Division), entered the competition.[1] Bell submitted their design for Model 206, which was selected out of the design phase of the Navy-run competition by the Army[2] and designated as the YHO-4A.[3][4] 1944 Fairchild Argus III (G-BCBH) Fairchild were an aerospace manufacturing company based at various times in Farmingdale, New York, Hagerstown, Maryland, and San Antonio, Texas. ... Hughes Helicopters was a major manufacturer of military helicopters, now part of The Boeing Company. ...

YOH-4A LOH in flight
YOH-4A LOH in flight

Bell produced five prototype aircraft in 1962 to submit to the army for the test and evaluation phase. During the testing phase, the test pilots complained about the power problems of the aircraft, an issue that apparently knocked it out of the running, because when the winners were announced to progress on to the final selection phase, Bell's YOH-4A wasn't selected.[5] Afterwards, Bell attempted to market the model 206, but it didn't fare well commercially. Bell's market research showed that it was the body design that customers found mostly unpalatable. Bell redesigned the body of the airframe to be more sleek and aesthetic, and reintroduced it as Model 206A JetRanger which was a commercial success.[6] Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ...


Gemini ST and TwinRanger

The TwinRanger name dates back to the mid-1980s when Bell first developed the Bell 400 TwinRanger, but it never entered production.[7] The Bell 400/440 TwinRanger were twin-engine developments of the Model 206l LongRanger, while the Bell 400A was a single-engine version of the 400. ...


In 1989, Tridair Helicopters' began developing a twin engine conversion of the LongRanger, the Gemini ST. The prototype's first flight was on January 16, 1991, while full FAA certification was awarded in November. Certification covers the conversion of LongRanger 206L-1s, L-3s and L-4s to Gemini ST configuration.[7] In mid-1994 the Gemini ST was certificated as the first Single/Twin aircraft, allowing it to operate either as a single or twin engine aircraft throughout all phases of flight.[7] is the 16th day of the year in the Gregorian calendar. ... Year 1991 (MCMXCI) was a common year starting on Tuesday (link will display the 1991 Gregorian calendar). ...


The Bell 206LT TwinRanger was a new build production model equivalent to Tridair's Gemini ST, and was based on the 206L-4. Only 13 206LTs were built, the first being delivered in January 1994, and the last in 1997. The TwinRanger was replaced in Bell's line-up by the mostly-new Bell 427.[7] The Bell Model 427 is a twin-engine civil utility helicopter, a derivative of the Bell Model 206-L4 LongRanger and Model 407. ...


Operational history

A Bell 206L-3
A Bell 206L-3

The JetRanger entered the civilian market in 1967. The Model 206 has since been updated three times, with the 206B "JetRanger II" arriving in 1971 and the 206B-3 "JetRanger III" with its modified tail rotor and more powerful engine in 1977. The basic shape and design remain unchanged since 1967. Image File history File links Download high resolution version (1024x609, 79 KB) Beschreibung: Bell Helicopters - Bell 206 L3 (D-HASA) auf der Flugzeugshow am Airport Niederrhein während der Geburtstagsfeier zum einjährigen Bestehens des Flughafens. ... Image File history File links Download high resolution version (1024x609, 79 KB) Beschreibung: Bell Helicopters - Bell 206 L3 (D-HASA) auf der Flugzeugshow am Airport Niederrhein während der Geburtstagsfeier zum einjährigen Bestehens des Flughafens. ...


The JetRanger is popular with news media for traffic and news reporting. The U.S. Army eventually selected the 206 for use as the OH-58 Kiowa, fulfilling its originally intended role. The United States Navy and Marines use 206 variants known as the TH-57 Sea Ranger. The TH-67 Creek variant is used by the U.S. Army as a trainer for helicopter students. The OH-58 Kiowa is a family of single-engine, single-rotor, observation and light attack helicopters manufactured by Bell Helicopter Textron and originally based on the companys Bell 206A JetRanger helicopter. ... The United States Navy (USN) is the branch of the United States armed forces responsible for conducting naval operations. ... The United States Marine Corps (USMC) is a branch of the United States military responsible for providing power projection from the sea,[1] utilizing the mobility of the U.S. Navy to rapidly deliver combined-arms task forces. ...


The 206A, and B are five-seat designs, while the 206L "LongRanger" is a stretched seven-seat version. The LongRanger has been developed to the 206L-1, 206L-3, and 206L-4 designations. In 1981 a military version was released, the 206L "TexasRanger". Both five- and seven-seaters have two seats in the front and a three seat bench in the back; the LongRanger adds two rear-facing seats in between the front and rear seats. The LongRanger is commonly used as an air ambulance (the standard JetRanger version is too short for this function).


Derived from the Model 206, the Bell 407 and OH-58D use a newer, 4-bladed, soft, in-plane rigid rotor system which offers improved performance while reducing vibration and noise. The Bell 417 was a follow-on to the 407, but it's development was cancelled. Bell 407 at Airport Niederrhein, Germany The Bell Model 407 is a civil utility helicopter, a derivative of the Bell Model 206-L4 LongRanger. The 407 uses a 4-bladed rotor system with a rigid, composite rotor hub instead of the 2-bladed conventional rotor of the Model 206. ... A rotor is the rotating part of a helicopter which generates lift, either vertically in the case of a main rotor, or horizontally in the case of a tail rotor. ... Bell 407 at Airport Niederrhein, Germany The Bell Model 407 is a civil utility helicopter, a derivative of the Bell Model 206-L4 LongRanger. The 407 uses a 4-bladed rotor system with a rigid, composite rotor hub instead of the 2-bladed conventional rotor of the Model 206. ...


The Model 206 is flown by a single pilot, who sits in the front right seat. In flight plans the ICAO designator for the JetRanger and the LongRanger is B06. For how a flight plan is produced, see Flight planning. ... The International Civil Aviation Organization (ICAO), an agency of the United Nations, develops the principles and techniques of international air navigation and fosters the planning and development of international air transport to ensure safe and orderly growth. ...


Variants

Civilian

  • Bell 206 - Five (5) YOH-4A prototypes, for flight evaluation in the Army's LOH program (1963).
  • Bell 206A - FAA-certified in 1966. Selected as the OH-58A Kiowa in 1968.
  • Bell 206A-1 - OH-58A aircraft that are reverse-modified for FAA civil certification.[8]
  • Bell 206B - Upgraded Allison 250-C20 engine.[9]
  • Bell 206B-2 - Bell 206B models upgraded with Bell 206B-3 improvements.[9]
  • Bell 206B-3 - Upgraded Allison 250-C20J engine and added 2 inches to tail rotor diameter for yaw control.[9]
  • Bell 206L - Stretched, seven seat configuration. 250-C20B engine.
  • Bell 206L-1 - 250-C28 engine
  • Bell 206L-3 - 250-C30P engine
  • Bell 206L-4 - 250-C30P engine and transmition upgrade.
  • Bell 206LT TwinRanger - twin-engined conversions and new-builds of the 206L; replaced by the Bell 427
  • Bell 407 - based on the 206L with four-bladed rotor system
  • Bell 417 - upgraded 407 with bigger engine
  • Agusta-Bell 206A -
  • Agusta-Bell 206A-1 -
  • Agusta-Bell 206B -
  • Agusta-Bell 206B-3 -
  • Agusta-Bell 206B-1 -
  • Agusta-Bell 206L LongRanger -

The Bell Model 427 is a twin-engine civil utility helicopter, a derivative of the Bell Model 206-L4 LongRanger and Model 407. ... Bell 407 at Airport Niederrhein, Germany The Bell Model 407 is a civil utility helicopter, a derivative of the Bell Model 206-L4 LongRanger. The 407 uses a 4-bladed rotor system with a rigid, composite rotor hub instead of the 2-bladed conventional rotor of the Model 206. ... Bell 407 at Airport Niederrhein, Germany The Bell Model 407 is a civil utility helicopter, a derivative of the Bell Model 206-L4 LongRanger. The 407 uses a 4-bladed rotor system with a rigid, composite rotor hub instead of the 2-bladed conventional rotor of the Model 206. ...

Military

Bell 206L TexasRanger in 1981
Bell 206L TexasRanger in 1981
OH-58 Kiowa 
Light observation helicopter that replaced the OH-6A Cayuse.
TH-57A 
40 commercial Bell 206A aircraft purchased as the primary U.S. Navy helicopter trainer in January 1968, designated "Sea Ranger".[1]
206L TexasRanger 
proposed export military version, only a demonstrator was built in 1981.
TH-57B 
45 commercial Bell 206B-3 helicopters purchased in 1989 as replacements for the TH-57A for primary training under visual flight rules.
TH-57C 
71 commercial Bell 206B-3 helicopters purchased in 1989 with cockpits configured for advanced training under instrument flight rules.
TH-57D 
Planned upgrade program to convert TH-57B and TH-57C to a single standard digital cockpit.[2]
TH-67 Creek 
137 commercial Bell 206B-3 purchased in 1993 as the primary helicopter trainer for the U.S. Army. 35 in VFR configuration and 102 in IFR configuration.[3]

Image File history File links Size of this preview: 800 × 502 pixelsFull resolution (2321 × 1457 pixel, file size: 2. ... Image File history File links Size of this preview: 800 × 502 pixelsFull resolution (2321 × 1457 pixel, file size: 2. ... The OH-58 Kiowa is a family of single-engine, single-rotor, observation and light attack helicopters manufactured by Bell Helicopter Textron and originally based on the companys Bell 206A JetRanger helicopter. ... The Hughes H-6 is a family of light utility civilian and assault helicopters of the United States Army. ...

Operators

Military operators of the Bell 206
Bell 206A Jet Ranger, built 1967
Bell 206A Jet Ranger, built 1967
Bell 206B Jet Ranger III at Filton Airfield, Bristol, England. Used for electricity pylon patrols.
Bell 206B Jet Ranger III at Filton Airfield, Bristol, England. Used for electricity pylon patrols.

Image File history File links Size of this preview: 800 × 352 pixelsFull resolution (1427 × 628 pixel, file size: 51 KB, MIME type: image/png) World map of military operators of the Bell 206 File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to... Image File history File links Size of this preview: 800 × 352 pixelsFull resolution (1427 × 628 pixel, file size: 51 KB, MIME type: image/png) World map of military operators of the Bell 206 File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to... Image File history File links Download high-resolution version (2178x1437, 1085 KB) Bell 206a Jet Ranger helicopter (UK registration G-BKZI, built 1967), at Kemble Airfield, Gloucestershire, England. ... Image File history File links Download high-resolution version (2178x1437, 1085 KB) Bell 206a Jet Ranger helicopter (UK registration G-BKZI, built 1967), at Kemble Airfield, Gloucestershire, England. ... Image File history File linksMetadata Download high-resolution version (1890x1476, 617 KB) Bell 206B Jet Ranger III (UK registration G-MFMF, built 1981) at Filton Airfield, Bristol, England. ... Image File history File linksMetadata Download high-resolution version (1890x1476, 617 KB) Bell 206B Jet Ranger III (UK registration G-MFMF, built 1981) at Filton Airfield, Bristol, England. ... Specifications (206) General Characteristics Crew: 1 Capacity: 3-4 Length: 39 ft 1 in (11. ... Bristol Filton Aerodrome (EGTG) lies on the A38 on the border between Filton and Patchway, within South Gloucestershire. ... This article is about the English city. ... Motto (French) God and my right Anthem No official anthem - the United Kingdom anthem God Save the Queen is commonly used England() – on the European continent() – in the United Kingdom() Capital (and largest city) London (de facto) Official languages English (de facto) Unified  -  by Athelstan 927 AD  Area  -  Total 130... Image File history File links Flag_of_Albania. ... Image File history File links This is a lossless scalable vector image. ... Image File history File links Flag_of_Austria. ... Image File history File links Flag_of_Bangladesh. ... Image File history File links Flag_of_Brazil. ... Image File history File links Flag_of_Bulgaria. ... Image File history File links Flag_of_Brunei. ... This article is about the Air Force of Brunei. ... Image File history File links Flag_of_Cameroon. ... Image File history File links Flag_of_Canada. ... Image File history File links Flag_of_Chile. ... Image File history File links Flag_of_the_Republic_of_China. ... 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Slovenian Armed Forces (also Slovenian Army; officialy Slovene Slovenska vojska; SAF/SV) is onebranch armed force of Slovenia (Army includes Air and Naval Forces) and as of 2003 is organized as standing army (full proffesional army). ... Image File history File links Flag_of_South_Korea. ... Image File history File links Flag_of_Spain. ... Image File history File links Flag_of_Sri_Lanka. ... Image File history File links Flag_of_South_Africa. ... Image File history File links Flag_of_Sweden. ... Image File history File links Flag_of_Tanzania. ... Image File history File links Flag_of_Thailand. ... Image File history File links Flag_of_Turkey. ... Image File history File links Flag_of_Uganda. ... Image File history File links Flag_of_the_United_Arab_Emirates. ... Image File history File links Flag_of_the_United_Kingdom. ... Image File history File links No higher resolution available. ... The United States Army is the largest branch of the armed forces of the United States. ... The United States Navy (USN) is the branch of the United States armed forces responsible for conducting naval operations. ... Image File history File links Flag_of_Venezuela. ... Image File history File links Flag_of_Yemen. ...

Specifications (206B-3)

Bell 206B JetRanger taking off from Vancouver Harbour HeliJet pad.
Bell 206B JetRanger taking off from Vancouver Harbour HeliJet pad.

General characteristics

  • Crew: 1
  • Capacity: 5
  • Length: 39 ft 1 in (11.9 m)
  • Rotor diameter: 33 ft 4 in (10.16 m)
  • Height: 2.83 m (9 ft 4in)
  • Disc area: 872 ft² (81.1 m²)
  • Empty weight: 1,632 lb (742 kg)
  • Loaded weight: 3,200 lb (1,500 kg)
  • Max takeoff weight: 3,350 lb (1,520 kg)
  • Powerplant: 1× Allison 250-C20J turboshaft, 420 shp (310 kW)

Performance

Image File history File links Metadata Size of this preview: 800 × 532 pixelsFull resolution (1024 × 681 pixel, file size: 724 KB, MIME type: image/jpeg) // Author: Marek Wozniak HeliJet Bell 206L-1 Long Ranger II landing at the Vancouver Harbour helipad. ... Image File history File links Metadata Size of this preview: 800 × 532 pixelsFull resolution (1024 × 681 pixel, file size: 724 KB, MIME type: image/jpeg) // Author: Marek Wozniak HeliJet Bell 206L-1 Long Ranger II landing at the Vancouver Harbour helipad. ... In aviation, the Maximum Take-Off Weight (or MTOW) is the maximum weight with which an aircraft is allowed to try to achieve flight. ... The Rolls-Royce Model 250 is a highly successful turboshaft/turboprop engine family, originally started by a General Motors offshoot, the Allison Engine Company, in the early 60s. ... Schematic diagram showing the operation of a simplified turboshaft engine. ... VNO of an aircraft is the V speed which refers to the velocity of normal operation. ... The maximal total range is the distance an aircraft can fly between takeoff and landing as limited by its fuel capacity. ... In aeronautics, the service ceiling is the maximum density altitude where the best rate of climb airspeed will produce a 100 feet per minute climb(twin engine) and 50 feet(single engine) at maximum weight while in a clean configuration with maximum continuous power. ... This page is a candidate to be moved to Wiktionary. ... Power-to-weight ratio is a measure commonly used when comparing various vehicles (or engines), including automobiles, motorcycles and aircraft. ...

References

Bell 206L-4 Long Ranger IV operated by CTV News, is taking off from Vancouver Harbour helipad.
  1. ^ Steve Remington. The Cessna CH-1 Helicopter. CollectAir (commercemarketplace.com).
  2. ^ George A. Spangenberg. "George A. Spangenberg Oral History".
  3. ^ Robert Beechy (18 November 2005). U.S Army Aircraft Acquisition Programs. Uncommon Aircraft 2006.
  4. ^ Rotary Aircraft Designation Crosswalk. GlobalSecurity.org.
  5. ^ Johan Visschedijk. Bell 206 JetRanger.
  6. ^ American Helicopter Museum: Bell 206 JetRanger.
  7. ^ a b c d Frawley, Gerard: The International Directiory of Civil Aircraft, 2003-2004, page 43. Aerospace Publications Pty Ltd, 2003. ISBN 1-875671-58-7
  8. ^ TYPE CERTIFICATE DATA SHEET NO. H2SW, Revision 42. Federal Aviation Administration(www.faa.gov) (27 June 2006).
  9. ^ a b c Ron and Shannon Bower (1 May 2003). Bell 206:Still Ringing True. Aviation Today (www.aviationtoday.com).

Image File history File links Metadata Size of this preview: 800 × 531 pixelsFull resolution (1024 × 680 pixel, file size: 490 KB, MIME type: image/jpeg) Author: Marek Wozniak Bell 206L-4 Long Ranger IV operated by CTV News, is taking off from Vancouver Harbour helipad. ... Image File history File links Metadata Size of this preview: 800 × 531 pixelsFull resolution (1024 × 680 pixel, file size: 490 KB, MIME type: image/jpeg) Author: Marek Wozniak Bell 206L-4 Long Ranger IV operated by CTV News, is taking off from Vancouver Harbour helipad. ... CTV National News is a newscast on CTV, which airs at 11pm local time on the main network across Canada. ...

External links

Related content

Wikimedia Commons has media related to:

Related development

Comparable aircraft

Designation sequence

  • U.S. Military:
    • CH-54 - TH-55 - AH-56 - TH-57 - OH-58 - H-59 - UH-60
    • AH-64 - HH-65 - RAH-66 - TH-67 - MH-68 - ARH-70 - VH-71
  • Bell:
    • 201 - 204 - 205 - 206 - 207 - 209 - 210

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