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Boeing CH-47 Chinook

Medium-Lift, Tandem Rotor Transport Helicopter

Boeing CH-47 Chinook

Medium-Lift, Tandem Rotor Transport Helicopter

OVERVIEW
SPECIFICATIONS
ARMAMENT
VARIANTS
HISTORY
IMAGES
Overview



The Boeing CH-47 Chinook tandem-rotor helicopter became a widely-used and widely-exported medium-lift platform for its time - amazingly it remains in service today.
National Flag Graphic
ORIGIN: United States
YEAR: 1962
STATUS: Active, In-Service
MANUFACTURER(S): Boeing / Boeing-Vertol - USA / Kawasaki Heavy Industries (KHI) - Japan
PRODUCTION: 1,200
OPERATORS: Argentina; Australia; Brazil; Canada; Egypt; Greece; India; Iran; Italy; Japan; Libya; Morocco; Netherlands; Oman; Saudi Arabia; Singapore; South Korea; South Vietnam; Spain; Taiwan; Thailand; Turkey; United Arab Emirates; United Kingdom; United States; Vietnam
National flag of Argentina
ARG
National flag of Australia
AUS
National flag of Brazil
BRA
National flag of Canada
CAN
National flag of Egypt
EGY
National flag of Greece
GRE
National flag of India
IND
National flag of Iran
IRA
National flag of Italy
ITA
National flag of Japan
JPN
National flag of Libya
LIB
National flag of Morocco
MOR
National flag of Netherlands
NED
National flag of Oman
OMA
National flag of Saudi Arabia
SAU
National flag of Singapore
SIN
National flag of South Korea
SKO
National flag of South Vietnam
SVT
National flag of Spain
SPA
National flag of Taiwan
TWN
National flag of Thailand
THL
National flag of Turkey
TUR
National flag of United Arab Emirates
UAE
National flag of United Kingdom
UK
National flag of United States
USA
National flag of ; Vietnam
VTN
Technical Specifications



Unless otherwise noted the presented statistics below pertain to the Boeing CH-47D Chinook model. Common measurements, and their respective conversions, are shown when possible.
CREW: 3
POWER: 2 x Lycoming (Honeywell) T55-L-712 turboshaft engines developing 3,750 horsepower each while driving 2 x three-bladed main rotors.
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Armament



OPTIONAL:
2 x 7.62mm General Purpose Machine Guns (GPMGs) or Miniguns on side pintle mounts.
1 x 7.62mm General Purpose Machine Guns (GPMGs) or Minigun on rear cargo ramp.

Some models used in the delivery of napalm or other drop ordnance.
Graphical image of an aircraft medium machine gun
Graphical image of an aircraft Gatling-style rotating gun
Graphical image of an aircraft conventional drop bomb munition
Variants / Models



• Vertol Model 114 - Model Selected by US Army for futher battlefield development.
• YCH-47A - Prototype Designation
• CH-47A - Initial Production Model Designation; 354 produced for US Army.
• CH-47B - Uprated engines with increased rotor diameter; 108 such models produced.
• CH-47C - Uprated engines and increased fuel capacity; became US Army "standardized" Chinook for previous "B" models; also produced under license in Italy with Elicotteri Meridionali brand.
• CH-47D - Fitted with T55-L-712 engines featuring more overall power; new external cargo hook design implemented; NVG cockpit capability; over 480 such models produced.
• CH-47D "International Chinook" - Export Model Designation.
• CH-47F (ICH) "Improved Cargo Helicopter" - US Army Transport Model.
• CH-47J - Japanese license-production of CH-47D models.
• CH-47JA - Japanese license-production of CH-47D models with weather radar equipped.
• MH-47D - Special Operations modified CH-47C models.
• MH-47E - Special Operations Model
• CH-47SD "Super D" - Export Model
• HC.1 - British CH-47C Model Designation
• HC.2 - British CH-47D Model Designation


History



Detailing the development and operational history of the Boeing CH-47 Chinook Medium-Lift, Tandem Rotor Transport Helicopter.  Entry last updated on 5/29/2019. Authored by Staff Writer. Content ©www.MilitaryFactory.com.
The Boeing "Chinook" line of medium-lift, tandem-rotor transport helicopters has been a mainstay utility system for the United States Army (and others) for decades since its introduction in 1962. The iconic design was given a tandem-rotor approach to provide the necessary lift properties when hauling medium-class loads over the battlefield - able to transport weaponry, supplies, a full complement of combat-ready troops, and other useful components to and from operating points. Despite its 1960s origins, the CH-47 remains in service throughout the world and should continue to be one of the more versatile transport helicopters ever produced - its importance is such that the series is scheduled for retirement no sooner than 2060 while being set to become the U.S. Army's first "100 Year" aircraft.

The story of the CH-47 began in the mid-1950s with the U.S. Army looking to replace its stock of Sikorsky CH-37 "Mojave" transport helicopters. Production of this system - which was not an outright success due to operating expenses, size, and reliance on piston-driven engines - was limited to just 154 units. Service began in July of 1956 and ended relatively quickly in the late 1960s. The turbine engine soon arrived and replaced piston engines in helicopters through such successful products as the Bell UH-1 "Huey" medium-lift transport helicopter so thought was no being given to an all-new, medium-lift system based on the more powerful and capable drive units.

Various contractors were in play early on to deliver a solution to the ongoing Army requirement. To help sell the idea of a new turbine -powered platform, Vertol engineers fleshed out their "V-107" of 1957 and this was enough to prove the investment as a formal contract followed the following year to be based on the developmental "YHC-1A" designation. Three prototypes would be featured for evaluation.

However, the YHC-1A failed to sell itself to the Army after testing and was instead taken on by the USMC as the CH-46 "Sea Knight" tandem rotor transport. The decision was then made to simply develop a dimensionally larger version of that same helicopter and this formally became company Model 114 and assigned the Army designation of "HC-1B". A first flight (a hovering action) followed on September 21st, 1961.

Due to the 1962 redesignation initiative covering all aircraft then in American service, the HC-1B was redesignated to the more common "CH-47" with its initial production model now recognized as the CH-47A. It was granted the name of "Chinook" in keeping with Army tradition of naming its helicopters after Native American tribes. The CH-47A entered service in August of 1962 to begin its long and storied career.

As completed, the CH-47 was an easily identifiable aircraft with its twin main rotor design. Each rotor utilized a three-bladed assembly seated atop mast mountings, the rotors arranged as counter-rotating units which eliminated the need for a tail rotor unit (the natural occurring torque of a spinning rotor was offset by another rotor spinning in the opposite direction). The high placement of the main rotors also cleared all areas immediately around the aircraft for ground personnel - no immediate danger was to be had from a spinning tail rotor so common to other helicopter transports. The cockpit was fitted well-forward in the design with excellent vision for the two pilots. The fuselage was rectangular in its general shape as seen from the side profile and dotted with vision ports. At the rear of the fuselage was a large, powered cargo door that lowered to double as the loading ramp to provide unfettered access to the cargo hold within. The engines were fitted outboard of each rear fuselage side to provide the needed forward thrust while also driving the two main rotors. The undercarriage relied a four-legged system, fixed during flight, and wheeled. Internally, the helicopter could seat up to 55 troops, 24 medical litters with medical crew, or an equal amount of cargo. An external cargo hook allowed the helicopter to sling loads under the fuselage to double its carrying capability in-the-field. The original engines were Lycoming T55-L-7 turboshaft types of 2,650 horsepower (each) with two being fitted.

The United States Army took on a total of 354 CH-47A models and these were then followed into service by the improved CH-47B. The B-model would become a "bridge" offering of sorts between the original A-models and the much improved C-model form still to come. The CH-47B fitted 2 x Lycoming T55-L-7C engines of 2,850 horsepower each as well as new, asymmetrical rotor blades. The rear rotor mounting was redesigned and there was inherent support for the M60 General Purpose Machine Gun (GPMG) mounted at the side doors for local defense/suppression. The cargo ramp at rear was also modified to support the M60D/M41 weapon station - the CH-47B flying with its cargo ramp down to allow this gunner to engage trailing threats. Its greater overall power made it a better medium-lift performer.

The CH-47C saw its gearbox and engines upgraded while fuel stores were expanded for increased operational ranges. Its first flight was during October 14th, 1967 and 233 production units followed. Many existing A- and B-models were eventually upgraded to the C-standard in time.




Boeing CH-47 Chinook (Cont'd)

Medium-Lift, Tandem Rotor Transport Helicopter

Boeing CH-47 Chinook (Cont'd)

Medium-Lift, Tandem Rotor Transport Helicopter



The primary Army models of the Vietnam War became the CH-47A, CH-47B, and CH-47C - some Chinooks outfitted for delivering napalm loads rolled out of the rear of the aircraft while others were modified for the combat assault role. The Canadian Army took delivery of eight CH-47C aircraft beginning in 1974 (as the "CH-147") and the British Army knew the type under the "HC.1" designation. Other British variants became the HC.2, HC.3, HC.4, HC.5, and HC.6. British Chinooks saw action during the Falklands War (1982).

In February of 1982 the CH-47D first took to the air and this model incorporated uprated engines with slightly reduced hauling capabilities. There were also upgraded avionics, support for night vision equipment, and a triple cargo hook external arrangement for moving heavy loads including artillery pieces. The U.S. Army went ahead with procuring some 480 D-models for service, these simply modified from the existing stock of available A-, B-, and C-models.

A small number of Chinooks were reformed from existing C-model stocks to the D-standard for use by special forces as the "MH-47D". The MH-47E marked another special forces version - this based on an E-model prototype emerging in the early 1990s and featuring increased fuel stores. Production of this model reached 26 units. A later special operations model standard became the MH-47G following the form and function of the E-model but with all-modern systems including a full "glass" cockpit.

The Dutch government purchased ex-Canadian CH-147s and used these in the upgraded D-standard guise. This left the Canadians free to pursue purchase of D-models in 2008. The Japanese joined the foreign operators list through local-licensed production of the Chinook as the "CH-47J". The J-model was completed with different avionics and engines when compared to the American-born models. A subsequent model became the CH-47JA. Both were manufactured under the Kawasaki Heavy Industries brand label.

Many export versions have been based on the CH-47D model makeup.

The CH-47F is the newest Chinook offering, first flying in 2001. This offering incorporates newer uprated engines of 4,868 horsepower output (each) for increased field performance and the fuselage relies on milled construction for more robustness. The cockpit supports a modern digital avionics suite complete. Deliveries of this variant began in 2006.

The U.S. Army has contracted for 191 of the F-model with the Dutch following as the initial export user with six examples ordered. Other operators have become Australia and the United Kingdom. Despite its newness, the CH-47F is already slated for upgrading through the "Block 2" initiative and "Block 3" proposal which are intended to keep this mighty system a viable battlefield component into the mid-2000s. The Block 2 upgrade will see the F-model hauling capabilities return to A-model levels while Block 3 is a re-engining program in line with the Army's "Future Affordable Turbine Engine" (FATE) project tied to other helicopter products in inventory (including the Boeing AH-64 "Apache" attack helicopter). The U.S. Army has undertaken a program to replace its D-model lineup with the newer F-model, a conversion process that should be completed in 2019.

The Chinook has been seen in a few civilian market products following certification to operate in civilian airspaces - this is through the Model 234 and Model 414 variants.

Sixteen nations have been participants in the CH-47 story and over 1,200 have been built since 1962. Some of the most recent combat exposure for the Chinook has centered around the coalition involvement in Afghanistan and Iraq which have resulted in some airframe losses an fatalities. Due to the Chinooks ability to haul large numbers of personnel, the aircraft suffers from a high number of fatalities when they are shot down or crash through accidents/human error. A 2005 incident near Kabul, Afghanistan saw a special forces group flying in a Chinook shot down by enemy elements - killing all members aboard.




Program Updates

September 2015 - It was announced that The Netherlands had placed an order for fourteen of the Boeing CH-47F models to replace a stock of eleven CH-47D series systems. The new aircraft will come complete with the "Common Avionics Architecture System" used in current U.S. Army Chinook forms. At least six existing Dutch D-models will also be brought up to this cockpit standard.

September 2015 - The United States and India agreed to the sale of 15 CH-47 Chinooks as well as 22 AH-64 Apache attack helicopters.

July 2017 - Thailand is expected to ink a deal to purchase more Chinook helicopters from the United States.

January 2018 - The Boeing CH-47F model is expected to compete for the standing German Army heavy-lift helicopter requirement, "STH". The Army service looks to replace its aged fleet of CH-53G heavy helicopters.

June 2018 - The United States State department has approved an order for 15 Chinook helicopters for delivery to the Indian Air Force. This deal was originally announced in September of 2015.

July 2018 - Boeing continues to finalize the stock of AH-64E Apache and CH-47F Chinook helicopters for delivery to the Indian Air Force.

September 2018 - The Spanish military will be modernizing its fleet of CH-47D model Chinooks, bringing them to the CH-47F model standard before the end.

January 2019 - Boeing will be upgraded the Spanish CH-47D Chinook fleet of seventeen helicopters to the F-model standard. Upgrades will include a standardized avionics, improved cargo handling, and a new digital automatic control system.

January 2019 - The Japan Ministry of Defense has earmarked funds to cover the procurement of some three CH-47J Chinook helicopters over the next five years. These will be built locally by Kawasaki Heavy Industries (KHI).

January 2019 - On January 31st, 2019, Boeing delivered is first of fifteen newly-minted CH-47F Chinook models to operator India.

February 2019 - The German government has issued a formal request for up to sixty medium-/heavy-lift helicopters under its STH program. The program seeks to replace an aging fleet of Sikorsky CH-53G helicopters currently in service. Front-runners include the Boeing CH-47F Chinook tandem-rotor transport and Sikorsky's own CH-53K "King Stallion".

March 2019 - On March 29th, Boeing flew, for the first time, the CH-47F Block II version of its Chinook heavy transport helicopter.

May 2019 - A single Chinook test bed will be used to evaluate a General Electric T408 7,500 shaft horsepower engine pairing.
Media





General Assessment
Firepower  
Performance  
Survivability  
Versatility  
Impact  


Values are derrived from a variety of categories related to the design, overall function, and historical influence of this aircraft in aviation history.
MF Power Rating
72
The MF Power Rating takes into account over 60 individual factors related to this aircraft entry. The rating is out of 100 total possible points.
Relative Maximum Speed
Hi: 200mph
Lo: 100mph
This entry's maximum listed speed (180mph).

Graph average of 150 miles-per-hour.
City-to-City Ranges
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Graph showcases the Boeing CH-47D Chinook's operational range (on internal fuel) when compared to distances between major cities.
Aviation Era
Pie graph section
Pie graph section
Pie graph section
Pie graph section
Pie graph section
Useful in showcasing the era cross-over of particular aircraft/aerospace designs.
Unit Production (1,200)
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units
1200
1200

  * Commercial Market High belongs to Cessna 172.

  ** Military Market High belongs to Ilyushin Il-2.


Altitude Visualization
Small airplane graphic
Supported Roles
A2A
Interception
UAV
Ground Attack
CAS
Training
ASW
Anti-Ship
AEW
MEDEVAC
EW
Maritime/Navy
SAR
Aerial Tanker
Utility/Transport
VIP
Passenger
Business
Recon
SPECOPS
X-Plane/Development
A2A=Air-to-Air; UAV=Unmanned; CAS=Close Support; ASW=Anti-Submarine; AEW=Airborne Early Warning; MEDEVAC=Medical Evac; EW=Electronic Warfare; SAR=Search-Rescue
Commitments / Honors
Military lapel ribbon for Operation Allied Force
Military lapel ribbon for the Arab-Israeli War
Military lapel ribbon for the Battle of Britain
Military lapel ribbon for the Battle of Midway
Military lapel ribbon for the Berlin Airlift
Military lapel ribbon for the Chaco War
Military lapel ribbon for the Cold War
Military lapel ribbon for the Cuban Missile Crisis
Military lapel ribbon for pioneering aircraft
Military lapel ribbon for the Falklands War
Military lapel ribbon for the French-Indochina War
Military lapel ribbon for the Golden Age of Flight
Military lapel ribbon for the 1991 Gulf War
Military lapel ribbon for the Indo-Pak Wars
Military lapel ribbon for the Iran-Iraq War
Military lapel ribbon for the Korean War
Military lapel ribbon for the 1982 Lebanon War
Military lapel ribbon for the Malayan Emergency
Military lapel ribbon representing modern aircraft
Military lapel ribbon for the attack on Pearl Harbor
Military lapel ribbon for the Six Day War
Military lapel ribbon for the Soviet-Afghan War
Military lapel ribbon for the Spanish Civil War
Military lapel ribbon for the Suez Crisis
Military lapel ribbon for the Vietnam War
Military lapel ribbon for Warsaw Pact of the Cold War-era
Military lapel ribbon for the WASP (WW2)
Military lapel ribbon for the World War 1
Military lapel ribbon for the World War 2
Military lapel ribbon for the Yom Kippur War
Military lapel ribbon for experimental x-plane aircraft
* Ribbons not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective campaigns/operations.


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