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Military


Shahed 278
Shahed 478

The Shahed 278 (also known as the OH-78) is a locally designed Iranian light helicopter with a combination of components of several helicopter-types, visibly similar to the Bell 206. Reported to have made its maiden flight between 1997 and 1998, and accumulated 200 flight hours by March 2001, the Shahed 278 was publically displayed for the first time in 2002.

IRGC has designed and manufactured the combat version of Shahed-278 helicopter which had previously unveiled. Shahed-278 helicopter, developed by Aerial Industry of IRGC, which underwent testing stage in 2001 has been awarded TC license in 2013. After approved ["lined"] for industrial scale production, it was manufactured and went to serve the civil and military purposes.

The helicopter has been made of advanced composites in airframe and main rotorblades, and based on the modern designing methods in modular structure. The body and propeller blades have been made of non-metal composite materials, which contribute to light weight, and avoids corrosion, and consequently, enabling the aircraft to operate in diverse environments.

The sample produced is different in some characteristics from previous versions. The present version enjoys a performance of static flight IGE (In Ground Effect) of 3960m, an OGE (over the ground effect) stationary hover of 2740m and service hover of 4115m. Maximum rate of ascension of 6.5 m/s2, maximum velocity of 226km/h, and the final reach of 660km, flight endurance of 4.5 hours are other features of the helicopter. Shahed-278 is 11.82m long, 1.92m wide and 2.98m high. Empty body weight is 750kg and maximum ascend weight is 1450kg, and its maximum power is 420 steam horses.

More than 4 hours of flight endurance provides the advantage for air patrolling, and its high reach minimises the need to fuel, contributing the coverage of the helicopter. Shahed-278 enjoys a dual flight management system, and in newer models, Multi-Function Display (MFD) can be installed. This MFD improves significantly the repair and maintenance time, making Shahed-278 ready to operate in least possible time.

Shahed-278 main missions is patrolling and identification, air control and commander carrying, military and commercial pilot training, city traffic control, air ambulance, environment protection patrolling, and utilities lines supervision.

According to capabilities and the principle of product development, the armed cousin of Shahed-278 has been developed. The Shahed-278 is an armed version of the OH-78 with 2.75inch 7-package rocket dropper (70mm) with final reach of 500 to 5000m, and a 12.7mm shooter has been installed under side of the body. An optic system for day and night vision with 2 degrees of freedom has been installed on the platform for air view, and a data recording system is also applicable. These facilities make OH-78 an armed survey platform.

The different versions of this helicopter are used for shooting anti-armor missiles. The development of armed cousin of Shahed-278 frees the Shahed-285 from identification missions and gives it a free hand for more special missions such as targeting enemys armoured equipment, providing Iranian armed forces with fighting copters.

According to Mehrnews Shahed-278 helicopter, developed by Aerial Industry of IRGC, which underwent testing stage in 2001 has been awarded TC license in 2012. After lined for industrial scale production, it was manufactured and went to serve the civil and military purposes. The helicopter is said to be made of advanced composites in airframand main rotorblades, and based on the modern designing methods in modular structure. The body and propeller blades have been made of non-metal composite materials, which contribute to light weight, and avoids corrosion, and consequently, enabling the aircraft to operate in diverse environments.

The sample produced is different in some characteristics from previous versions. The 2012 version enjoyed a performance of static flight IGE (In Ground Effect) of 3960m, an OGE (over the ground effect) stationary hover of 2740m and service hover of 4115m. Maximum rate of ascension of 6.5 m/s2, maximum velocity of 226km/h, and the final reach of 660km, flight endurance of 4.5 hours are other features of the helicopter. Shahed-278 is 11.82m long, 1.92m wide and 2.98m high. Empty body weight is 750kg and maximum ascend weight is 1450kg, and its maximum power is 420 horsepower.

More than 4 hours of flight endurance provides the advantage for air patrolling, and its high reach minimises the need to fuel, contributing the coverage of the helicopter. Shahed-278 enjoys a dual flight management system, and in newer models, Multi-Function Display (MFD) can be installed. This MFD improves significantly the repair and maintenance time, making Shahed-278 ready to operate in least possible time. Shahed-278 main missions is patrolling and identification, air control and commander carrying, military and commercial pilot training, city traffic control, air ambulance, environment protection patrolling, and utilities lines supervision. Although displayed as a commercial light utility helicopter, the Iranian state aircraft manufacturer HESA has also suggested it usage as a military light attack and observation helicopter, this being the OH-78 version. HESA has tested the Shahed 278 with unguided rockts. An improved version, the Shahed 478, with four rotors (similar in configuration to the Bell 406), has also been offered in this capacity.

According to capabilities and the principle of product development, the armed cousin of Shahed-278 has been developed. OH-78 is a version of Shahed-278 armed with 2.75inc 7-package rocket dropper (70mm) with final reach of 500 to 5000m, and a 12.7mm shooter has been installed under side of the body.

An optic system for day and night vision with 2 degrees of freedom has been installed on the platform for air view, and a data recording system is also applicable. These facilities make OH-78 "an armed survey hawk" according to Iranian sources. The different versions of this helicopter are used for shooting anti-armor missiles. The development of the armed cousin of Shahed-278 frees the Shahed-285 from identification missions and gives it a free hand for more special missions such as targeting enemys armoured equipment, providing Iranian armed forces with fighting helicopters.

Shahed 278 Shahed 278



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Page last modified: 08-07-2019 18:52:32 ZULU