The Chinook is an extremely capable and highly versatile support helicopter that
can be operated from land bases or ships into a diverse range of environments,
from the Arctic to the desert or jungle. The aircraft may be armed and is fitted with
a suite of self-defence equipment allowing it to operate across the battlespace.
Chinooks are primarily used for trooping, resupply and battlefield casualty
evacuation (casevac).
With its triple-hook external load system, internal cargo winch, roller conveyor fit
and large reserves of power, the aircraft can lift a wide variety of complex
underslung or internal freight, including vehicles. It can carry up to 55 troops or up
to approximately 10 tonnes of mixed cargo.
Secondary roles include search and rescue (SAR), and supporting a wide variety of
specialist tasks, including the Military Aid to the Civil Authorities (MACA)
commitment. A Chinook crew comprises two pilots and two crewmen,
supplemented by specialists dependent upon mission requirements.

CAPABILITY
In addition to its traditional warfighting roles, the Chinook’s lifting capability is
held at readiness under the MACA commitment to respond to emergencies in the
UK; in recent years these have included resupplying snowbound farmers in
Northern Ireland and moving tons of aggregate to help reconstruct flood defences
damaged by winter storms. In August 2019, a Chinook was instrumental in
securing a dam on the Toddbrook Reservoir after it became structurally unsound
following heavy rain.


The current operational Chinook fleet comprises Mk 4, Mk 5, Mk 6 and Mk 6A
aircraft, fitted with digital glass cockpits to a common standard. The Mk 6 was
acquired as a UK-specific variant of the CH-47F and also introduced a Digital
Automatic Flight Control System (DAFCS, pronounced “daffics”), greatly enhancing
handling and safety, particularly when operating in recirculating dust or snow
conditions. The Chinook HC.Mk 5 results from upgrade of the extended-range Mk
3, or “fat tank” aircraft, which carries double the fuel load of a standard Chinook. The earlier Mk 4 Chinooks are being further upgraded to Mk 6A standard with the
addition of DAFCS; the final aircraft is expected to be completed early in 2021.

The type will continue to play a key role in UK Defence activity, with the Chinook
Sustainment Programme aiming to build on the platform’s success, recapitalising
existing airframes and extending the capability out to 2040. In 2018, the US State
Department approved the possible Foreign Military Sale of 16 extended range
Chinooks to the UK, a deal which may yet see the RAF fleet expand or replace some
of its earliest airframes.


BASED AT
RAF Odiham, RAF Benson
FLYING WITH
27 Squadron, 28 Squadron, 7 Squadron, Chinook Display Team Falcons
SPECIFICATIONS
BOEING CHINOOK HC.MK 6:
• Powerplant: two Honeywell T55-L-714A turboshaft engines, each rated at
4,168shp maximum continuous power
• Length: 98ft 10½in (30.14m)
• Height (rotors turning): 18ft 11in (5.77m)
• Rotor diameter (each): 60ft (18.29m)
• Maximum cruising speed: 160kt (296km/h)
• Maximum density altitude: 15,000ft
• Payload: up to 55 troops or around 22,000lb (10,000kg) of freight
• Armament: two 7.62mm M134 Miniguns and one 7.62mm M60D machine
gun


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