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Mil Mi-14 (Haze)

Anti-Submarine Warfare (ASW) / Maritime Patrol Navy Helicopter

Soviet Union | 1975

"The Soviet-era Mil-14 Haze was developed exclusively for the maritime Anti-Submarine Warfare role - some still see operations with global customers today."

Authored By: Staff Writer | Last Edited: 09/04/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The Mil Mi-14 (NATO codename of "Haze") is a maritime conversion of the popular Soviet-era Mi-8 transport helicopter. It retains much of the form and function of its land-based predecessor but adds capabilities in the realm of submarine hunting, Search and Rescue and mine / mine-countermeasures. The Mi-14 has an inherent design quality about it to land and take-off from water sources and can be outfitted with torpedoes, depth charges, naval mines and conventional drop bombs - held in a watertight belly compartment. While only some 230 were originally built, the type continues in active service with several former Soviet allies. Production spanned 1969 until 1986 with the key operator becoming Soviet Naval Aviation.

The original Mi-8 was first-flown in prototype form on July 7th, 1961 and was introduced into service in 1967. It provided a natural successor to the aging line of Mi-4 helicopter which held origins back in the early 1950s. The Mi-8 went on to see a plethora of global operators adopt the type and these were flown in various roles while some 17,000 units have been produced from 1961 to today (2017).

From this proven framework was born the Mi-14 in a 1968 initiative and this gave rise to the "V-14" prototype designation. The twin-engine arrangement of the Mi-8 was retained and large sponsons were added to the four-point undercarriage for on-water landings and take-offs. The engines of choice became 2 x Klimov TV3-117MT turboshaft engines used to drive a five-bladed main rotor and three-bladed tail rotor (offset to starboard). In testing the prototype, the TV2-117 engine would be used instead. The crew would number four personnel.

A first-flight was recorded on August 1st, 1967 and production then ensued in 1973, this large gap brought about by issues with the engines and avionics fit. In service, the aircraft was designated "Mi-14" and known to NATO as "Haze". Service entry occurred in May of 1976 and the series was in active service up until 1996 when thawing relations between the United States and Russia ultimately forced their withdrawal.

While V-14 represented the prototype used in testing the series, Mi-14PL ("Haze-A") became the initial production form. This model was used in the Anti-Submarine Warfare (ASW) role and carried a towed Magnetic Anomaly Detector (MAD) as well as sonobouys and search radar. Armament was a torpedo, depth charges or bombs. Performance specs included a maximum speed of 230 kmh and a range (ferry) of 1,135 kilometers. Its service ceiling was listed at 3,500 meters.

This mark was followed by the improved Mi-14PLM with all-new radar fit, new ASW equipment and modern digital processing. The Mi-14BT ("Haze-B") was a mine-sweeping platform lacking the ASW functionality and about 30 were built to the standard. Several made their way to the Bulgarian and East German navies. Mi-14PS ("Haze-C") was a dedicated Search & Rescue model and outfitted with applicable equipment for the role.

The Mi-14PZh was a conversion of the Mi-14BT for fire-fighting duties. These were followed by the Mi-14PZh "Eliminator III" of same form and function. The Mi-14GP was a general purpose model for passenger hauling duties, seating some twenty-six in relative comfort. The Mi-14P was another civilian market model and this sat twenty-four.

The Poles were key recipients of the Mi-14 and knew it as the Mi-14PL/R. A pair of these flew in SAR guises (lacking ASW equipment). The Polish Navy used the related Mi-14PX in SAR training role.

Current (2017) operators of the Mi-14 Haze series include Georgia, Libya, North Korea, Pakistan, Poland, Republic of the Congo, Syria and Ukraine. There are calls by the modern Russian Navy to reactivate the series for frontline service due to deteriorating relations with the United States. These would be reinstated with the Black Sea and Northern fleets of the Navy, resuming their patrol roles.

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Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Mil Mi-14BT (Haze-B) Anti-Submarine Warfare (ASW) / Maritime Patrol Navy Helicopter.
2 x Klimov (Isotov) TV3-117M turboshaft engines developing 1,950 shaft horsepower each and driving five-blade main rotor and three-blade tail rotor.
143 mph
230 kph | 124 kts
Max Speed
11,483 ft
3,500 m | 2 miles
Service Ceiling
705 miles
1,135 km | 613 nm
Operational Range
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
The nose-to-tail, wingtip-to-wingtip physical qualities of the Mil Mi-14BT (Haze-B) Anti-Submarine Warfare (ASW) / Maritime Patrol Navy Helicopter.
60.3 ft
18.38 m
O/A Length
69.9 ft
(21.30 m)
O/A Width
22.7 ft
(6.93 m)
O/A Height
19,621 lb
(8,900 kg)
Empty Weight
29,542 lb
(13,400 kg)
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
Available supported armament and special-mission equipment featured in the design of the Mil Mi-14 (Haze) Anti-Submarine Warfare (ASW) / Maritime Patrol Navy Helicopter .
Internal, watertight bomb bay can contain torpedoes, conventional drop bombs, depth charges and naval mines as needed.
Notable series variants as part of the Mil Mi-14 (Haze) family line.
V-14 - Prototype Model Designation
Mi-14PL "Haze A" - Dedicated Anti-Submarine Warfare (ASW) Model.
Mi-14PL "Shrike" - Air-to-Surface Attack Variant
Mi-14PLM - Anti-Submarine Warfare Variant
Mi-14BT "Haze B" - Dedicated Mine Sweeper
Mi-14PS "Haze C" - Dedicated Search and Rescue (SAR)Model.
Mi-14PX - Search and Rescue (SAR) Trainer Platform
Mi-14PZh - Firefighting Variant based on the Mi-14BT model; amphibious.
Mi-14PZh "Eliminator" - Firefighting Variant based on the Mi-14BT model.
Mi-14GP - Civilian Passenger Transport Variant
Mi-14P - Civilian Passenger Transport Variant; seating for up to 24 passengers.
Mi-14PW - Polish Designation of Mi-14PL model series.
Global customers who have evaluated and/or operated the Mil Mi-14 (Haze). Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 230 Units

Contractor(s): Mil Moscow Helicopter Plant - Soviet Union
National flag of Bulgaria National flag of Cuba National flag of Ethiopia National flag of Georgia National flag of modern Germany National flag of East Germany National flag of Libya National flag of North Korea National flag of Poland National flag of Russia National flag of the Soviet Union National flag of Ukraine National flag of Yugoslavia

[ Bulgaria; Cuba; Ethiopia; Georgia; Germany (East Germany); Libya; North Korea; Poland; Russia; Ukraine; Soviet Union; Yugoslavia ]
Relative Max Speed
Hi: 150mph
Lo: 75mph
Aircraft Max Listed Speed (143mph).

Graph Average of 113 MPH.
Era Crossover
Pie graph section
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
Production Comparison
Entry compared against Ilyushin IL-2 (military) and Cessna 172 (civilian) total production.
MACH Regime (Sonic)
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030
Aviation Timeline
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Image of the Mil Mi-14 (Haze)
Image from the United States Department of Defense imagery database.
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Image of the Mil Mi-14 (Haze)
Image from the United States Department of Defense imagery database.
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Image of the Mil Mi-14 (Haze)
Image from the United States Department of Defense imagery database.
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Image of the Mil Mi-14 (Haze)
Image from the United States Department of Defense imagery database.
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Image of the Mil Mi-14 (Haze)
Image from the United States Department of Defense imagery database.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Mil Mi-14 (Haze) Anti-Submarine Warfare (ASW) / Maritime Patrol Navy Helicopter appears in the following collections:
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