MANUFACTURER(S): Iran Aircraft Manufacturing Industrial Company (HESA) - Iran
OPERATORS: Iran (planned)
LENGTH: 47.41 feet (14.45 meters)
WIDTH: 26.74 feet (8.15 meters)
HEIGHT: 13.45 feet (4.1 meters)
WEIGHT (EMPTY): 9,700 pounds (4,400 kilograms)
WEIGHT (MTOW): 24,725 pounds (11,215 kilograms)
ENGINE: ASSUMED: 2 x General Electric J85 turbojet engines developing 3,500lb of dry thrust each and 5,000lb of thrust with afterburning each.
SPEED (MAX): 1,056 miles-per-hour (1700 kilometers-per-hour; 918 knots)
RANGE: 2,299 miles (3,700 kilometers; 1,998 nautical miles)
CEILING: 52,493 feet (16,000 meters; 9.94 miles)
RATE-OF-CLIMB: 35,000 feet-per-minute (10,668 meters-per-minute)
Detailing the development and operational history of the HESA Kowsar (Thunderbolt) Lightweight Twin-Seat, Twin-Engine Multirole Fighter.
Entry last updated on 2/12/2019.
Authored by Staff Writer. Content ©www.MilitaryFactory.com.
The HESA Kowsar (translating to "Thunderbolt") is a twin-seat, twin-engine light fighter developed by local Iranian aero-industry (namely the Iran Aircraft Manufacturing Industrial Company. The illegally-copied design is based in the 1950s-era American Northrop F-5 "Tiger/Freedom Fighter" platform (detailed elsewhere on this site) with capabilities in both air-to-air and air-to-ground sorties (more limited in the latter). Iranian state-run television boasts this aircraft to be of a 100% indigenous effort sporting a multirole radar fit and advanced avionics. A first-flight was recorded in August of 2018.
The aircraft certainly, and rather obviously carries the form and function of the F-5 through-and-through, from its long nose section to its low-mounted, small-surface-area wing mainplanes. The cockpit seats two in tandem under separate, rearward-hinged canopies (the tandem cockpit configuration is used in the American T-38 "Talon" advanced jet trainer built from the F-5 family). Straddling the sides of the fuselage are small semi-circular intakes used to aspirate the twin engine configuration within. The fuselage tapers slightly towards the aft-end of the aircraft to which two separate exhaust nozzles are featured just under the single vertical tail fin. Like the wing mainplanes, the horizontal tailplanes are low-mounted on the design. The mainplanes sport flaps, a swept-back leading edge and a straight trailing edge. Wingtip rail launchers are noted for the carrying of short-ranged Air-to-Air Missiles (AAMs). A tricycle undercarriage is used for ground-running. Of note is the arrestor hook for this land-based aircraft has been retained - this is typically a component used in aircraft carrier-based platforms.
It is assumed the aircraft has the F-5 arrangement of five hardpoints (two under each wing and a centerline spot) for the carrying of AAMs, Air-to-Surface Missiles (ASMs), rocket pods, gun pods, and jettisonable fuel tanks.
Beyond its obvious combat value, the Kowsar is can also be used as an advanced jet trainer featuring the student in the front cockpit and the instructor in the rear - perhaps maintaining full-combat capability. Ejection seats are found at both cockpit positions.
There is not much to suggest that the Kowsar is a "war-winning" combat platform by any regard. It is rooted in a 1950s Cold War-era design philosophy that, though proven over years of service, has seen its best days behind it - particularly in a world where the 5th Generation Fighter is picking up steam through designs such as the Lockheed F-22 "Raptor", the Lockheed F-35 "Lighting II", and the Sukhoi Su-57. The triumph here would be the success of Iranian aero-industry in taking an existing, proven design and re-engineering it for local purposes but little else. Iranian authorities have detailed it as a "deterrence" based in lessons learned from the 1980s conflict with neighboring Iraq.
As it stands, the Kowsar design is wholly unproven (war would be the ultimate testing ground) and there have been outrageous claims by Iranian authorities and state-run television in the past, leaving many observers in the West to doubt many of the proposed capabilities of any one development originating from this gulf power.
August 2018 - The Kowsar fighter was official inaugurated by Iranian officials.
November 2018 - State-run television has reported that the Kowsar lightweight fighter was set to begin serial production for the Islamic Republic of Iran Air Force.
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Relative Maximum Speed Rating
This entry's maximum listed speed (1,056mph).
Graph average of 825 miles-per-hour.
Graph showcases the HESA Kowsar (Thunderbolt)'s operational range (on internal fuel) when compared to distances between major cities.
Useful in showcasing the era cross-over of particular aircraft/aerospace designs.
Unit Production Comparison
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units