The rugged and useful Mi-8 and Mi-17 transports have been
built in more numbers than any other helicopter in Russia.
Work on the Mi-8 began in 1960 with the aim of finding a
successor for the piston engined 14 seat Mi-4 'Hound'. The resulting aircraft
featured the Mi-4's dynamic systems coupled to a new fuselage and powered by a
turboshaft engine. The first prototype Mi-8 ('Hip-A') flew during June 1961 and
was powered by a single 2015kW (2700shp) Soloviev turboshaft, but when the Mi-8
was found to be underpowered two Isotov TV2 turboshafts and a five bladed main
rotor were substituted instead. The Mi-8 first flew in this configuration in
August 1962, and since that time more than 10,000 have been built.
Initial production Mi-8s including the MI-8T are covered by
the NATO designation 'Hip-C' and include the basic military transport plus
civil versions with square windows. The MI-8TB 'Hip-E' is a dedicated assault
version with three (instead of two) outrigger hardpoints either side of the
fuselage for rockets or 9M17 (AT-2 'Swatter') anti armour missiles, while the
export Mi-STBK 'Hip-F' was armed with 9M14M (AT-3 'Sagger') missiles.
There have been numerous Mi-8 special mission variants
including the MI-8PS 'Hip-D' radio relay/command post aircraft, the similar
Mi-9 'Hip-G' with hockey stick antennae under the tailboom and fuselage, the
MI-8SMV 'Hip-J' ECM jammer, and the MI-8PPA 'Hip-K' communications jammer with
a unique antenna array either side of the fuselage (with six cross dipole
antennae each).
The Mi-17 'Hip-H' introduced uprated TVS turboshafts and can
be identified by its port side tail rotor. Several Mi-8s were also rebuilt to
this standard under the designations MI-8MT or MI-8TV. The Mi-171 and Mi-172
have more powerful TV3s.
On 16 August 2013 the Ministry of Defense of Ukraine
reported that one of their Mi-8's had set a world altitude record of 9,150
meters at the Kirovske military airfield on August 15.
Ukrainian Armed Forces used their Mi-8 alongside with Mi-24
in the operations against the pro-Russian insurgents in Eastern Ukraine during
the 2014 pro-Russian conflict in Ukraine. On 25 April 2014, a Ukrainian Mi-8
was destroyed on the ground alongside an An-2 at the airport in Kramatorsk
while preparing for departure when it was hit by a grenade. The crew was able
to evacuate the aircraft unharmed. On 5 May 2014, a Ukrainian Mi-8 was damaged
by small arms fire while overflying a pro-Russian check point during the Siege
of Sloviansk On 29 May 2014, a Ukrainian National Guard Mi-8 was shot down by pro-Russian
insurgents using a MANPADS outside Slavyansk with 12 personnel, including an
Army general killed and one seriously injured. On 24 June 2014, a Ukrainian
National Guard Mi-8 was shot down by pro-Russian insurgents again using a
MANPADS outside Slavyansk with 9 personnel killed.
Mi-17s were used during the Cambodian government's 1996 dry
season offensive, five of them being converted to helicopter gunships equipped
with 57mm rocket pods and providing air support for ground forces attacking the
Khmer Rouge stronghold of Pailin.
In May 1999, during Operation Safed Sagar, the Mi-17 was
used in the first air phase of the Kargil War by 129HU of the Indian Air Force
against Pakistani regular and Pakistan-backed militant forces. One Mi-17 was
lost in combat to shoulder-fired missiles. Mi-17s were withdrawn and attacks by
fixed-wing aircraft began.
The Mi-17 was used extensively by the Sri Lanka Air Force in
the Sri Lankan Civil War. Seven of them were lost in combat and attacks on
airports.
The Mi-17 was used by the Colombian Army in Operation Jaque.
In 2001, the Macedonian Air Force used the Mi-17 against
Albanian insurgents.
The Mi-17 is also used by search and rescue teams such as
the Malaysian Fire and Rescue Department.
Executive Outcomes used them extensively in its operations
in the Angolan Civil War.
The Mi-17 is used as a commercial passenger aircraft by Air
Koryo, national airline of North Korea. Previous flights include those between
Pyongyang and Kaesong and Pyongyang and Haeju.
The Mexican Navy utilizes its Mi-17s for anti-narcotic
operations such as locating marijuana fields and dispatching marines to
eradicate the plantations.
The Slovak Air Force and Croatian Air Force operate Mi-17s
in Kosovo as part of KFOR.
Both the pro-Gaddafi and anti-Gaddafi forces in the 2011
Libyan civil war have operated Mi-17s.
Mi-17s are operated by the Afghan Air Force. In July 2010
two Mi-17 were flown by a mixed crew of United States Air Force and Afghan Air
Force personnel in a 13-hour mission that rescued 2,080 civilians from flood
waters. This was the largest rescue by two helicopters in USAF history. USAF
pilot Lt Col Gregory Roberts received the Distinguished Flying Cross for the
mission
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