Boeing Chinook (UK variants) vs Panha 2091

Boeing Chinook (UK variants) — licensed reference photograph

AHelicopters

Boeing Chinook (UK variants)

Transport helicopter

Credit

Cpl Tim Laurence RAF · OGL v1.0 · Resized · OGL v1.0 · Source ↗ · Modified

Panha 2091 — licensed reference photograph

BHelicopters

Panha 2091

Attack helicopter

Credit

Atarod2003 · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Boeing Chinook (UK variants)Chinook / RAF specification (variant not stated) · Length · Length

30.14 m

Length source ↗

Panha 2091Length

16 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Measured figures

Head to head

14 of 36 rows sourced on both sides

30.14m

16m

Length

All recorded figures & sources

30.1 m

Chinook HC6A · Length

Single source

30.14 m

Chinook / RAF specification (variant not stated) · Length · Length

Single source

98 ft 9 in (30.10 m)^[source]

30.14m^[source]Chinook / RAF specification (variant not stated) · Length

16 m

Length

Single source

16 m (52 ft 6 in)^[source]

18.29mChinook HC6A · 2 ×

13mMain rotor diameter

Rotor diameterScopes differ

All recorded figures & sources

18.29 m

Chinook HC6A · 2 ×

Single source

18.29 m

Chinook / RAF specification (variant not stated) · Rotor diameter · Rotor

Single source

2 × 60 ft 0 in (18.29 m)^[source]

18.29m^[source]Chinook / RAF specification (variant not stated) · Rotor

13 m

Main rotor diameter

Single source

13 m (42 ft 8 in)^[source]

5.77m

—

Height

All recorded figures & sources

5.69 m

Chinook HC6A · Height

Single source

5.77 m

Chinook / RAF specification (variant not stated) · Height · Height

Single source

18 ft 8 in (5.69 m)^[source]

5.77m^[source]Chinook / RAF specification (variant not stated) · Height

22.7t

4.5tMaximum take-off; Max takeoff weight

MassScopes differ

All recorded figures & sources

10,183 kg

Empty; Chinook HC6A · Empty weight

Single source

12,102 kg

Gross; Chinook HC6A · Gross weight

Single source

22,680 kg

Maximum take-off; Chinook HC6A · Max takeoff weight

Single source

22,450 lb (10,183 kg)^[source]

26,680 lb (12,102 kg)^[source]

50,000 lb (22,680 kg)^[source]

2,802 kg

Empty; Empty weight

Single source

4,530 kg

Maximum take-off; Max takeoff weight

Single source

2,802 kg (6,177 lb)^[source]

4,530 kg (9,987 lb)^[source]

Crew

All recorded figures & sources

4 people

Chinook HC6A · pilot, copilot, two weapon system operators/loadmasters

Single source

4 (pilot, copilot, two weapon system operators/loadmasters)^[source]

2 Pilots, 2 Weapon System Operators^[source]Chinook / RAF specification (variant not stated) · AircrewSource text · numeric interpretation needs review

2 people

Crew

Single source

2^[source]

300km/hMaximum; Chinook HC6A · Maximum speed

236km/hMaximum; Maximum speed

SpeedScopes differ

All recorded figures & sources

300 km/h

Maximum; Chinook HC6A · Maximum speed

Single source

296.32 km/h

Maximum; Chinook / RAF specification (variant not stated) · Maximum speed · Maximum speed

Single source

160 kn (180 mph, 300 km/h)^[source]

160kt^[source]Chinook / RAF specification (variant not stated) · Maximum speed

236 km/h

Maximum; Maximum speed

Single source

236 km/h (147 mph, 127 kn)^[source]

2,200kmChinook HC6A · with auxiliary fuel tanks

600km

Range

All recorded figures & sources

2,200 km

Chinook HC6A · with auxiliary fuel tanks

Single source

1,200 nmi (1,400 mi, 2,200 km) with auxiliary fuel tanks^[source]

600 km

Range

Single source

600 km (370 mi, 320 nmi)^[source]

2,800kW

—

Power

All recorded figures & sources

2,800 kW

Chinook HC6A · 2 × Honeywell T55-GA-714A turboshaft free-turbine engines, 3,750 shp ( ) each

Single source

2 × Honeywell T55-GA-714A turboshaft free-turbine engines, 3,750 shp (2,800 kW) each^[source]

4,600mChinook HC6A · Service ceiling

—

Service ceiling

All recorded figures & sources

4,600 m

Chinook HC6A · Service ceiling

Single source

15,000 ft (4,600 m)^[source]

10m/s

—

Rate of climb

All recorded figures & sources

10.1 m/s

Chinook HC6A · 1,980 ft/min ( )Thrust 2x 4,168shp each engine

Single source

1,980 ft/min (10.1 m/s)Thrust 2x 4,168shp each engine^[source]

Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.

Configuration

Details

Boeing Chinook (UK variants) and Panha 2091 configuration
Specification	Boeing Chinook (UK variants)	Panha 2091
Type	Transport helicopter^[source]	Attack helicopter^[source]
Manufacturer	Boeing Defense, Space & Security^[source]	Bell Helicopter Textron Panha^[source]
Designer	Boeing-Vertol^[source]	—
Status	In service^[source]	Active^[source]
Primary user	Royal Air Force^[source]	Iranian Armed Forces Artesh Air Force Ground Forces Army Aviation IRGC Aerospace Force^[source]
Number built	72 (all RAF models)^[source]	—
Introduction date	22 November 1980 (with RAF)^[source]	1998^[source]
First flight	23 March 1980 (HC1)^[source]	—
Developed from	Boeing CH-47 Chinook^[source]	Bell AH-1J International^[source]
Variants	HC1, HC1B, HC2, HC3, HC4, HC5, HC6, HC6A, HC7^[source]	—
Capacity	55 soldiers and up to 10 tonnes of freight or equipment^[source]	—
Guns	2× M134 Miniguns and 1× M60 machine gun^[source] 2 x M134 Miniguns, 1 x M60 Machine Gun^[source]Chinook / RAF specification (variant not stated) · Guns	—
Main rotor area	5,655.2 sq ft (525.39 m 2 )^[source]	132.75 m 2 (1,428.9 sq ft)^[source]
Blade section	- root: Boeing VR-7; tip: Boeing VR-8^[source]	—
Cockpit Avionics	Glass cockpit with a BAE Systems Digital Advanced Flight Control System (DAFCS), includes automatic modes such as auto-hover and auto-descend to ease pilot workload.^[source]	—
Sensors	Electro-Optical Sensor Turret (EOST) with two infrared cameras and a low-light TV function .^[source] EOST turret including two infrared cameras and a low-light TV function^[source]Chinook / RAF specification (variant not stated) · Electro optics	—
Defensive Aids	Missile Warning Receiver, Infrared Warning Receiver, Radar Warning Receiver, Counter-measure dispensing system (flares).^[source]	—
Country of origin	United States^[source]Boeing Chinook (UK variants) · origin explicitly stated in the linked current national-inventory row; no inference from operator or shipyard	Iran^[source]Inventory Origin column; table 9, row 6, cell 2; revision 1377604549; retrieved 2026-10-02
Powerplant	Two Honeywell 55-L-714A Free-Turbine engines^[source]Chinook / RAF specification (variant not stated) · Powerplant	—
Reported engine rating	4,168shp each^[source]Chinook / RAF specification (variant not stated) · ThrustSource text · numeric interpretation needs review	—
Flight altitude	15,000ft^[source]Chinook / RAF specification (variant not stated) · Maximum altitude	—
Airfoil	—	Wortmann FX 69-H-098^[source]
Role	—	Iranian overhaul and upgrade of the Bell AH-1J International (export version of the SeaCobra) attack helicopter purchased before the 1979 Islamic Revolution^[source]
National origin	—	Iran^[source]
Source measurement	—	The upgraded attack helicopter has a narrower airframe for greater flexibility and is armed with an M197 three-barreled 20-mm Gatling-type cannon in the A/A49E turret. Its wing-stub stations carry a pair of 19-tube 70-mm rocket launchers.^[source]Panha 2091 · Design; only the objects and conditions stated in this passage Bulletproof glass protects the pilot's cockpit and weapons officer station, internal avionics have been revamped with the addition of a GPS and receiver in the nose, and a warning radar attached to the rear, with four antennae providing 360 degrees coverage and all electronics systems integrated.^[source]Panha 2091 · Design; only the objects and conditions stated in this passage Length: 16 m (52 ft 6 in)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage Airfoil : Wortmann FX 69-H-098^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage Empty weight: 2,802 kg (6,177 lb)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage Max takeoff weight: 4,530 kg (9,987 lb)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage Main rotor diameter: 13 m (42 ft 8 in)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage Main rotor area: 132.75 m 2 (1,428.9 sq ft)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage Maximum speed: 236 km/h (147 mph, 127 kn)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage Range: 600 km (370 mi, 320 nmi)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage M197 3-barreled 20 mm "Gatling-style" cannon in the M97 turret (750 rounds ammo capacity) 2.75 in (70 mm) Mk 40 or Hydra 70 rockets in 7 or 19 round pods 5 in (127 mm) Zuni rockets - 8 rockets in two 4-round LAU-10D/A launchers AIM-9 Sidewinder / Misagh-2 Anti-Aircraft Missiles - 1 mounted on each hardpoint Toophan ATGM - 1 dual or quad launcher on each wing^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage

FORCETALLY

Loading the evidence…

Preparing your view.

Boeing Chinook (UK variants)

Panha 2091

Type

Transport helicopter^[source]

Attack helicopter^[source]

Manufacturer

Boeing Defense, Space & Security^[source]

Bell Helicopter Textron Panha^[source]

Designer

Boeing-Vertol^[source]

—

Status

In service^[source]

Active^[source]

Primary user

Royal Air Force^[source]

Iranian Armed Forces Artesh Air Force Ground Forces Army Aviation IRGC Aerospace Force^[source]

Number built

72 (all RAF models)^[source]

—

Introduction date

22 November 1980 (with RAF)^[source]

1998^[source]

First flight

23 March 1980 (HC1)^[source]

—

Developed from

Boeing CH-47 Chinook^[source]

Bell AH-1J International^[source]

Variants

HC1, HC1B, HC2, HC3, HC4, HC5, HC6, HC6A, HC7^[source]

—

Capacity

55 soldiers and up to 10 tonnes of freight or equipment^[source]

—

Guns

2× M134 Miniguns and 1× M60 machine gun^[source]

2 x M134 Miniguns, 1 x M60 Machine Gun^[source]Chinook / RAF specification (variant not stated) · Guns

—

Main rotor area

5,655.2 sq ft (525.39 m 2 )^[source]

132.75 m 2 (1,428.9 sq ft)^[source]

Blade section

- root: Boeing VR-7; tip: Boeing VR-8^[source]

—

Cockpit Avionics

Glass cockpit with a BAE Systems Digital Advanced Flight Control System (DAFCS), includes automatic modes such as auto-hover and auto-descend to ease pilot workload.^[source]

—

Sensors

Electro-Optical Sensor Turret (EOST) with two infrared cameras and a low-light TV function .^[source]

EOST turret including two infrared cameras and a low-light TV function^[source]Chinook / RAF specification (variant not stated) · Electro optics

—

Defensive Aids

Missile Warning Receiver, Infrared Warning Receiver, Radar Warning Receiver, Counter-measure dispensing system (flares).^[source]

—

Country of origin

United States^[source]Boeing Chinook (UK variants) · origin explicitly stated in the linked current national-inventory row; no inference from operator or shipyard

Iran^[source]Inventory Origin column; table 9, row 6, cell 2; revision 1377604549; retrieved 2026-10-02

Powerplant

Two Honeywell 55-L-714A Free-Turbine engines^[source]Chinook / RAF specification (variant not stated) · Powerplant

—

Reported engine rating

4,168shp each^[source]Chinook / RAF specification (variant not stated) · ThrustSource text · numeric interpretation needs review

—

Flight altitude

15,000ft^[source]Chinook / RAF specification (variant not stated) · Maximum altitude

—

Airfoil

—

Wortmann FX 69-H-098^[source]

Role

—

Iranian overhaul and upgrade of the Bell AH-1J International (export version of the SeaCobra) attack helicopter purchased before the 1979 Islamic Revolution^[source]

National origin

—

Iran^[source]

Source measurement

—

The upgraded attack helicopter has a narrower airframe for greater flexibility and is armed with an M197 three-barreled 20-mm Gatling-type cannon in the A/A49E turret. Its wing-stub stations carry a pair of 19-tube 70-mm rocket launchers.^[source]Panha 2091 · Design; only the objects and conditions stated in this passage

Bulletproof glass protects the pilot's cockpit and weapons officer station, internal avionics have been revamped with the addition of a GPS and receiver in the nose, and a warning radar attached to the rear, with four antennae providing 360 degrees coverage and all electronics systems integrated.^[source]Panha 2091 · Design; only the objects and conditions stated in this passage

Length: 16 m (52 ft 6 in)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage

Airfoil : Wortmann FX 69-H-098^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage

Empty weight: 2,802 kg (6,177 lb)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage

Max takeoff weight: 4,530 kg (9,987 lb)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage

Main rotor diameter: 13 m (42 ft 8 in)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage

Main rotor area: 132.75 m 2 (1,428.9 sq ft)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage

Maximum speed: 236 km/h (147 mph, 127 kn)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage

Range: 600 km (370 mi, 320 nmi)^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage

M197 3-barreled 20 mm "Gatling-style" cannon in the M97 turret (750 rounds ammo capacity) 2.75 in (70 mm) Mk 40 or Hydra 70 rockets in 7 or 19 round pods 5 in (127 mm) Zuni rockets - 8 rockets in two 4-round LAU-10D/A launchers AIM-9 Sidewinder / Misagh-2 Anti-Aircraft Missiles - 1 mounted on each hardpoint Toophan ATGM - 1 dual or quad launcher on each wing^[source]Panha 2091 · Specifications; only the objects and conditions stated in this passage