Bell 206 vs Bell UH-1N Twin Huey: Specs Compared

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Bell 206 — licensed reference photograph

AHelicopters

Bell 206

Multipurpose utility helicopter

Credit

Mfield - Matthew Field, http://www.photography.mattfield.com · CC BY 2.5 · Resized · CC BY 2.5 · Source ↗ · Modified

Bell UH-1N Twin Huey — licensed reference photograph

BHelicopters

Bell UH-1N Twin Huey

Utility helicopter

Credit

U.S. Navy Photo by Mass Communication Specialist 3rd Class Ian Carver · Public domain · Resized · Public domain · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Bell 206206B Jetranger II · including rotors

11.824 m

Length source ↗

Bell UH-1N Twin HueyUSMC UH-1N, as modified · Length

17.58 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Measured figures

Head to head

24 of 32 rows sourced on both sides

11.82m206B Jetranger II · including rotors

17.58mUSMC UH-1N, as modified · Length

LengthScopes differ

All recorded figures & sources

11.824 m

206B Jetranger II · including rotors

Single source

38 ft 9.5 in (11.824 m) including rotors^[source]

17.58 m

Configuration

Details

Bell 206 and Bell UH-1N Twin Huey configuration
Specification	Bell 206	Bell UH-1N Twin Huey
Type	Multipurpose utility helicopter^[source]	Utility helicopter^[source]
National origin	United States / Canada^[source]	United States / Canada^[source]
Manufacturer	Bell Helicopter^[source]	Bell Helicopter^[source]
Status	In service^[source]

Number built	7,300^[source]	—

Manufactured	1962–2017^[source]	1969–1970s^[source]

Introduction date	1967^[source]	October 1970^[source]

First flight	December 8, 1962 (206) January 10, 1966 (206A)^[source]	April 1969^[source]

Developed from	Bell YOH-4^[source]	Bell UH-1H Iroquois^[source]

Variants	Bell OH-58 Kiowa Bell 407^[source]	Bell 212 Bell 412 Bell UH-1Y Venom^[source]

Developed into	Bell 400 TwinRanger^[source]	—

Capacity	4 passengers^[source]	6–8 combat-equipped troops, or 4,400 lb (1,996 kg) equivalent cargo^[source]

Fuselage length	31 ft 2 in (9.50 m)^[source]	—

Interior dimensions	7 ft 2 in (2.18 m) length, by 4 ft 2 in (1.27 m) width, by 4 ft 3 in (1.30 m) height, plus 16 ft 3 (453 L) baggage compartment^[source]	—

Main rotor area	873 sq ft (81.1 m 2 )^[source]	1,808 sq ft (168.0 m 2 )^[source]

Blade section	– NACA 0012 mod (11.3%)^[source]	- root: NACA 0010.8 ; tip: NACA 0005.4 mod^[source]

Maximum speed at 5,000 ft	116 kn (133 mph; 215 km/h) at MTOW^[source]	—

Disk loading	4 lb/sq ft (20 kg/m 2 )^[source]	—

Power/mass	0.09 hp/lb (0.15 kW/kg)^[source]	—

Role	family of two-bladed, single- and twin-engined helicopters ,^[source]	medium military helicopter^[source]

Source measurement	When the YOH-4A was eliminated by the Army, Bell went about marketing the aircraft. In addition to the image problem, the helicopter lacked cargo space and only provided cramped seating for three passengers. The solution was a redesigned fuselage, sleeker and aesthetically appealing, adding 16 ft 3 (0.45 m 3 ) of cargo space in the process. A Bell executive contributed to the redesign by drawing two lines on a sketch extending the fuselage to where it meets the tail. The redesign was designated Bell 206A, and Bell President Edwin J. Ducayet named it the JetRanger , denoting an evolution from the popular Model 47J Ranger .^[source]Bell 206 · Development / JetRanger; only the objects and conditions stated in this passage The 206L LongRanger is a stretched variant with seating for seven. The fuselage, stretched a total of 30 inches (760 mm), adds two rear-facing seats between the front and rear seats. Since 1975, Bell has produced more than 1,700 LongRangers across all variants. In 1981, a military version, the 206L TexasRanger was released. The original 206L used an Allison 250 -C20R engine, and a series of model upgrades replaced this engine with more powerful versions; the 206L-1 used a 250-C28, and the 206L-3 and 206L-4 used the 250-C30P.^[source]Bell 206 · Development / LongRanger; only the objects and conditions stated in this passage In both applications, the 250-C30P is derated from 650 hp for takeoff and 501 hp continuous. The 206L-3 is transmission-limited to 435 hp for take-off, and the 206L-4 is transmission-limited to 495 hp. The derating of the C30P produces an advantage in hot-day and high-altitude operations, as it can produce the rated horsepower at higher altitudes and temperatures where applications that use the maximum rating of the engine at sea level suffer accelerated performance deterioration with increases in temperature and altitude. The 206L-3 and L-4 have not been offered in a twin configuration under those model designations.^[source]Bell 206 · Development / LongRanger; only the objects and conditions stated in this passage In 2007, Bell announced an upgrade program for the 206L-1 and 206L-3 designed to modify the aircraft to the 206L-4 configuration; modified aircraft are designated 206L-1+ and 206L-3+. Modifications include strengthened structural components (including a new tailboom), improved transmission, upgraded engine for the L-1, all of which result in a maximum gross weight increase of 300 pounds and increased performance.^[source]Bell 206 · Development / LongRanger; only the objects and conditions stated in this passage The basic shape and design of the JetRanger remained unchanged since 1967, but Bell introduced the 206B JetRanger II in 1971. In 1977, the 206B-3 JetRanger III was introduced with its modified tail rotor and more powerful engine. The JetRanger is popular with news media for traffic and news reporting. The LongRanger is commonly used as an air ambulance and as a corporate transport. On September 1, 1982, pilots H. Ross Perot, Jr. and Jay Coburn departed Dallas, Texas in the " Spirit of Texas ", a Bell 206L-1 (N3911Z). They returned on 30 September, 29 days and 3 hours later, completing the first around-the-world helicopter flight.^[source]Bell 206 · Operational history; only the objects and conditions stated in this passage On July 22, 1994, Ron Bower landed his 206B-3 (N206AJ) at Hurst, Texas , setting a new record for around-the-world flight by a helicopter. Bower had departed on June 24 and returned 24 days, 4 hours, 36 minutes and 24 seconds later, averaging 35.62 knots (40.99 mph; 65.97 km/h). Bower had added a 91-US-gallon (340 L) auxiliary fuel tank, which doubled the JetRanger III's range.^[source]Bell 206 · Operational history; only the objects and conditions stated in this passage Upgraded Allison 250-C20J engine and added 2 inches (51 mm) to tail rotor diameter for yaw control.^[source]Bell 206 · Variants / Civilian; only the objects and conditions stated in this passage 137 commercial Bell 206B-3s purchased in 1993 as the primary and instrument helicopter trainer for the US Army at Fort Rucker , Alabama. 35 in VFR configuration and 102 in IFR configuration. The US Army has 181 units as of 2026, of which 121 are in VFR configuration and 60 are in IFR configuration. All TH-67s display US registrations ("N" numbers) and are operated as public use aircraft.^[source]Bell 206 · Variants / Military; only the objects and conditions stated in this passage Capacity: 4 passengers^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Length: 38 ft 9.5 in (11.824 m) including rotors^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Fuselage length: 31 ft 2 in (9.50 m)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Height: 9 ft 6.5 in (2.908 m)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Interior dimensions: 7 ft 2 in (2.18 m) length, by 4 ft 2 in (1.27 m) width, by 4 ft 3 in (1.30 m) height, plus 16 ft 3 (453 L) baggage compartment^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Empty weight: 1,455 lb (660 kg)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Max takeoff weight: 3,200 lb (1,451 kg)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Powerplant: 1 × Allison 250-C20 turboshaft engine, 400 hp (298 kW)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Main rotor diameter: 33 ft 4 in (10.16 m)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Main rotor area: 873 sq ft (81.1 m 2 )^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Maximum speed: 122 kn (140 mph, 226 km/h) at MTOW (sea level)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Maximum speed at 5,000 ft: 116 kn (133 mph; 215 km/h) at MTOW^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Cruise speed: 120 kn (140 mph, 220 km/h) at MTOW, 5,000 feet^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Range: 337 nmi (388 mi, 624 km) at MTOW, 5,000 feet, cruise speed, no reserves^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Service ceiling: 20,000 ft (6,100 m) at MTOW^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage Rate of climb: 1,350 ft/min (6.9 m/s)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage	The Bell UH-1N Twin Huey is a twin-engined medium-sized military helicopter primarily operated as a utility transport. Power is provided by a PT6T-3/T400 Turbo Twin Pac, comprising a pair of Pratt & Whitney Canada PT6 turboshaft engines mounted side by side and driving a shared gearbox and single output shaft. These engines are capable of producing up to 1,342 kW (1,800 shp). In the event of a single power section failing, the remaining section can deliver 671 kW (900 shp) for up to 30 minutes or 571 kW (765 shp) continuously, enabling the UH-1N to maintain cruise performance at maximum weight. It is capable of flight under instrument flight rules and in nighttime conditions.^[source]Bell UH-1N Twin Huey · Design; only the objects and conditions stated in this passage The UH-1N is often flown with a four-person crew, comprising two pilots and two crew chiefs; while in the air, these crew chiefs man the weapons, while one pilot functions as a navigator and the other actively flies. The interior is normally outfitted with a 15-seat configuration, in which it can be flown by a single pilot and carry up to 14 passengers; in practice, rarely could the UH-1N actually carry this many unless also carrying limited fuel and equipment due to weight limitations and weather conditions.^[source]Bell UH-1N Twin Huey · Design; only the objects and conditions stated in this passage When configured to carry cargo, the cabin has an internal capacity of 220 ft³ (6.23 m³). Up to six litters can be carried in a medical evacuation arrangement. An external load of up to 5,000 lb (2,268 kg) can also be carried. In United States Marine Corps (USMC) service, up to three radios would be installed in the cabin so that commanders could remain airborne while coordinating ground troops. The UH-1N was normally armed with a single .50 caliber machine gun on the helicopter's left side, while a 7.62 millimeter machine gun is mounted on the right side.^[source]Bell UH-1N Twin Huey · Design; only the objects and conditions stated in this passage Starting in late 1970, mere months after receiving its first deliveries of the type, the USAF begun to re-equip the 20th Special Operations Squadron in Vietnam with UH-1Ns, supplementing and eventually replacing the single-engined UH-1F and UH-1P. Armed with miniguns (or 40 mm grenade launchers) and rocket pods, and painted camouflage with no US markings and only a Green Hornet insignia, the UH-1N supported Special Forces reconnaissance missions from Cam Ranh Bay .

Source measurement

When the YOH-4A was eliminated by the Army, Bell went about marketing the aircraft. In addition to the image problem, the helicopter lacked cargo space and only provided cramped seating for three passengers. The solution was a redesigned fuselage, sleeker and aesthetically appealing, adding 16 ft 3 (0.45 m 3 ) of cargo space in the process. A Bell executive contributed to the redesign by drawing two lines on a sketch extending the fuselage to where it meets the tail. The redesign was designated Bell 206A, and Bell President Edwin J. Ducayet named it the JetRanger , denoting an evolution from the popular Model 47J Ranger .^[source]Bell 206 · Development / JetRanger; only the objects and conditions stated in this passage

The 206L LongRanger is a stretched variant with seating for seven. The fuselage, stretched a total of 30 inches (760 mm), adds two rear-facing seats between the front and rear seats. Since 1975, Bell has produced more than 1,700 LongRangers across all variants. In 1981, a military version, the 206L TexasRanger was released. The original 206L used an Allison 250 -C20R engine, and a series of model upgrades replaced this engine with more powerful versions; the 206L-1 used a 250-C28, and the 206L-3 and 206L-4 used the 250-C30P.^[source]Bell 206 · Development / LongRanger; only the objects and conditions stated in this passage

In both applications, the 250-C30P is derated from 650 hp for takeoff and 501 hp continuous. The 206L-3 is transmission-limited to 435 hp for take-off, and the 206L-4 is transmission-limited to 495 hp. The derating of the C30P produces an advantage in hot-day and high-altitude operations, as it can produce the rated horsepower at higher altitudes and temperatures where applications that use the maximum rating of the engine at sea level suffer accelerated performance deterioration with increases in temperature and altitude. The 206L-3 and L-4 have not been offered in a twin configuration under those model designations.^[source]Bell 206 · Development / LongRanger; only the objects and conditions stated in this passage

In 2007, Bell announced an upgrade program for the 206L-1 and 206L-3 designed to modify the aircraft to the 206L-4 configuration; modified aircraft are designated 206L-1+ and 206L-3+. Modifications include strengthened structural components (including a new tailboom), improved transmission, upgraded engine for the L-1, all of which result in a maximum gross weight increase of 300 pounds and increased performance.^[source]Bell 206 · Development / LongRanger; only the objects and conditions stated in this passage

The basic shape and design of the JetRanger remained unchanged since 1967, but Bell introduced the 206B JetRanger II in 1971. In 1977, the 206B-3 JetRanger III was introduced with its modified tail rotor and more powerful engine. The JetRanger is popular with news media for traffic and news reporting. The LongRanger is commonly used as an air ambulance and as a corporate transport. On September 1, 1982, pilots H. Ross Perot, Jr. and Jay Coburn departed Dallas, Texas in the " Spirit of Texas ", a Bell 206L-1 (N3911Z). They returned on 30 September, 29 days and 3 hours later, completing the first around-the-world helicopter flight.^[source]Bell 206 · Operational history; only the objects and conditions stated in this passage

On July 22, 1994, Ron Bower landed his 206B-3 (N206AJ) at Hurst, Texas , setting a new record for around-the-world flight by a helicopter. Bower had departed on June 24 and returned 24 days, 4 hours, 36 minutes and 24 seconds later, averaging 35.62 knots (40.99 mph; 65.97 km/h). Bower had added a 91-US-gallon (340 L) auxiliary fuel tank, which doubled the JetRanger III's range.^[source]Bell 206 · Operational history; only the objects and conditions stated in this passage

Upgraded Allison 250-C20J engine and added 2 inches (51 mm) to tail rotor diameter for yaw control.^[source]Bell 206 · Variants / Civilian; only the objects and conditions stated in this passage

137 commercial Bell 206B-3s purchased in 1993 as the primary and instrument helicopter trainer for the US Army at Fort Rucker , Alabama. 35 in VFR configuration and 102 in IFR configuration. The US Army has 181 units as of 2026, of which 121 are in VFR configuration and 60 are in IFR configuration. All TH-67s display US registrations ("N" numbers) and are operated as public use aircraft.^[source]Bell 206 · Variants / Military; only the objects and conditions stated in this passage

Capacity: 4 passengers^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Length: 38 ft 9.5 in (11.824 m) including rotors^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Fuselage length: 31 ft 2 in (9.50 m)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Height: 9 ft 6.5 in (2.908 m)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Interior dimensions: 7 ft 2 in (2.18 m) length, by 4 ft 2 in (1.27 m) width, by 4 ft 3 in (1.30 m) height, plus 16 ft 3 (453 L) baggage compartment^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Empty weight: 1,455 lb (660 kg)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Max takeoff weight: 3,200 lb (1,451 kg)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Powerplant: 1 × Allison 250-C20 turboshaft engine, 400 hp (298 kW)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Main rotor diameter: 33 ft 4 in (10.16 m)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Main rotor area: 873 sq ft (81.1 m 2 )^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Maximum speed: 122 kn (140 mph, 226 km/h) at MTOW (sea level)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Maximum speed at 5,000 ft: 116 kn (133 mph; 215 km/h) at MTOW^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Cruise speed: 120 kn (140 mph, 220 km/h) at MTOW, 5,000 feet^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Range: 337 nmi (388 mi, 624 km) at MTOW, 5,000 feet, cruise speed, no reserves^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Service ceiling: 20,000 ft (6,100 m) at MTOW^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

Rate of climb: 1,350 ft/min (6.9 m/s)^[source]Bell 206 · Specifications (206B Jetranger II); only the objects and conditions stated in this passage

The Bell UH-1N Twin Huey is a twin-engined medium-sized military helicopter primarily operated as a utility transport. Power is provided by a PT6T-3/T400 Turbo Twin Pac, comprising a pair of Pratt & Whitney Canada PT6 turboshaft engines mounted side by side and driving a shared gearbox and single output shaft. These engines are capable of producing up to 1,342 kW (1,800 shp). In the event of a single power section failing, the remaining section can deliver 671 kW (900 shp) for up to 30 minutes or 571 kW (765 shp) continuously, enabling the UH-1N to maintain cruise performance at maximum weight. It is capable of flight under instrument flight rules and in nighttime conditions.^[source]Bell UH-1N Twin Huey · Design; only the objects and conditions stated in this passage

The UH-1N is often flown with a four-person crew, comprising two pilots and two crew chiefs; while in the air, these crew chiefs man the weapons, while one pilot functions as a navigator and the other actively flies. The interior is normally outfitted with a 15-seat configuration, in which it can be flown by a single pilot and carry up to 14 passengers; in practice, rarely could the UH-1N actually carry this many unless also carrying limited fuel and equipment due to weight limitations and weather conditions.^[source]Bell UH-1N Twin Huey · Design; only the objects and conditions stated in this passage

When configured to carry cargo, the cabin has an internal capacity of 220 ft³ (6.23 m³). Up to six litters can be carried in a medical evacuation arrangement. An external load of up to 5,000 lb (2,268 kg) can also be carried. In United States Marine Corps (USMC) service, up to three radios would be installed in the cabin so that commanders could remain airborne while coordinating ground troops. The UH-1N was normally armed with a single .50 caliber machine gun on the helicopter's left side, while a 7.62 millimeter machine gun is mounted on the right side.^[source]Bell UH-1N Twin Huey · Design; only the objects and conditions stated in this passage

Starting in late 1970, mere months after receiving its first deliveries of the type, the USAF begun to re-equip the 20th Special Operations Squadron in Vietnam with UH-1Ns, supplementing and eventually replacing the single-engined UH-1F and UH-1P. Armed with miniguns (or 40 mm grenade launchers) and rocket pods, and painted camouflage with no US markings and only a Green Hornet insignia, the UH-1N supported Special Forces reconnaissance missions from Cam Ranh Bay .