- Cessna 182 vs 185 Compared: Which Is Better?  - November 3, 2021
- Cessna 120 Guide and Specs : Is It Powerful Enough? - October 8, 2021
- Cessna 195 Guide and Specs : All About The 195 Businessliner - September 20, 2021
All military aircraft from the famous Russian design bureau Mikoyan-Gurevich earn the model designator of MiG. Founded by Artem Mikoyan and Mikhail Gurevich in 1939, their design creations bear their last initials joined with the letter ‘i’, the Russian letter for ‘and’.
In 1950, the Mikoyan-Gurevich team was tasked to design a replacement for the ageing and sub-sonic MiG-15 and MiG-17 aircraft. The Government order stipulated the jet to be capable of supersonic airspeeds in level flight. Finally designated the MiG-19, the design succeeded, and Russia won the race to produce an operational supersonic jet fighter, four months ahead of the United States.
Over time, the aircraft developed into an idiosyncratic, formidable and successful fighter. Yet, the design journey and early production flights were not without problems.
The SM-1 Testbed
The reliable and effective subsonic MiG-17 formed the basis for the initial MiG-19 testbed. In 1951 a MiG-17 was modified to accept two engines, arranged side-by-side, and was designated the SM-1. Fitted with two non-afterburning Mikulin AM-5 engines, each producing 4,410 lbs of thrust, problems plagued the initial prototype. The engines were temperamental, with rapid throttle movements causing engine surges or flameouts. The designers also struggled to maintain cockpit pressurization adequately. In 1952 the SM-1 did achieve supersonic flight reaching 1.03 Mach at 16,400 feet; however, the Russian Ministry felt the performance marginal and demanded improvement.
The SM-2 – A Step Change
In 1952 a new prototype aircraft emerged with radically different features. Major modifications included a lengthened fuselage and a 55-degree sweepback to the wings. With a redesigned cockpit, landing gear, and a larger tailplane, the aircraft weight increased, and the existing engines were considered inadequate. The new Mikulin AM-5F engines fitted had afterburners, producing 4,740 lbs of thrust dry and 5,960 wet.
Despite dramatic performance improvements to the testbed, high angles of attack caused handling problems, and the engines were still considered under-powered. Design iterations followed with changes to the horizontal stabilizer and air-brake location. As these changes occurred, the model number crept through A and B designations. Finally, Mikulin developed an entirely new engine initially designated the AM-9B, producing 5,700 lbs of thrust dry and 7,160 lbs wet. These engines formed the basis for the Tumansky RD-9 engines that ultimately powered the production aircraft.
This final prototype flew in 1954, being re-designated the SM-9 due to the new engines. Achieving Mach 1.19 in level flight, the Soviet authorities pressed for the aircraft to enter production, despite factory testing being incomplete. The officially designated MiG-19 entered production on 17 February 1954.
The Early MiG-19
With the haste to enter production, pilots encountered serious faults with the aircraft. Several mid-air explosions occurred, which were traced to the fuel tanks. It was found that when the fuel tank had been half drained, it could explode due to overheating, caused by a lack of insulation between the tank and the engines. When deploying the air-brakes at high speeds, the aircraft violently pitched up, exposing the pilots to severe g-forces. Finally, pilots found the elevator to be ineffective at supersonic speeds.
Some of the more dramatic flight issues proved difficult to train for, given no Russian two-seater versions of the aircraft were ever produced. Yet, designers resolved the elevator issue by installing an all-flying tailplane while fitting heat shields to address the fuel tank overheating. With these modifications and enhanced armament, the new aircraft designation became the MiG-19S.
Soviet Use Of The MiG-19
Used in the Soviet Air Force between 1955 and 1968, with 2,172 manufactured, the MiG-19 saw service in the Soviet Air Defense and East Germany. During this time, modifications on the aircraft continued as it evolved from a daylight escort fighter to a radar-equipped all-weather interceptor designated the MiG-19P. In 1957, the removal of cannon and the addition of missile capability created the MiG-19PM.
In the West, the new Soviet aircraft was code-named Farmer by the Air Force Interoperability Council (AFIC), comprising the United Kingdom, Canada, United States, New Zealand, and Australia.
Despite being a formidable and capable aircraft, the rushed implementation of the MiG-19 slowed its acceptance due to its many flaws. Ultimately, overshadowed by new, improved aircraft, it was forced out of production in Russia. Yet, the MiG-19 would gain a new lease on life, manufactured in small numbers by the Czechs, but coming into its own when introduced to the Chinese market.
MiG-19s (Farmer-D) Specifications
|Engines||Weights and Capacities|
|Model:||2 x Tumansky RD-9B||Max Takeoff Weight:|
|Engine Type:||Afterburning TurboJet||With drop tanks & rockets||19,471 lbs|
|Thrust – Dry:||5,700 lbs each engine||Standard Empty Weight:||11,402 lbs|
|Thrust – Wet:||7,100 lbs each engine||Max. Useful Load:||5,265 lbs|
|Gross Weight:||16,667 lbs|
|Aircraft Dimensions||Thrust to Weight Ratio:||0.86|
|Wing Span:||29.53 ft||Crew:||1|
|Wing Area:||269 sq. ft||Capacity – Internal||480 gallons|
|Wing Loading:||61.6 lb/sq. ft||Capacity – External Drop Tanks||2×170 gallons|
MiG-19s (Farmer-D) Performance and Handling Specifications
|Service Ceiling:||57,400 ft||Range in miles @ 45,900 ft||860|
|Dynamic Ceiling:||65,600 ft||Range in miles @ 45,900 ft||1,365 drop tanks|
|Combat Radius (drop tanks):||370 nautical miles|
|Max Speed @ 32,800 ft||784 kts||3×30mm NR-30 cannon:|
|Max Speed @ 32,800 ft||620 kts drop tanks||Rounds for each wing cannon||75|
|Max Operating Mach No.:||1.44||Rounds for the fuselage cannon||55|
|Time to climb – 16,400 ft||0.4 minute||Vympel K-13 AAM Missiles:||4|
|Time to climb – 32,800 ft||1.1 minutes|
|Time to climb – 49,200 ft||2.6 minutes||Bombs:||550 lbs max|
|Rate of climb||35,425 ft/min|
|Hardpoints – total:||4|
|T/O Roll dry thrust + drop tanks:||2,950 ft||Hardpoints for drop tanks:||2|
|T/O Roll dry thrust:||2.130 ft||Hardpoints for weapons:||2|
|T/O Roll afterburner:||1,690 ft|
|Ldg Roll main gear braking:||3.575 ft||32 round ORO-57K rocket pods||2|
|Ldg Roll all-wheel braking:||2,920 ft||FAB-250 bombs||2|
|Ldg Roll all wheel + tail chute:||2,000 ft|
Chinese MiG-19s; The Shenyang J-6
Despite a short time in Russian service, the Chinese embraced the MiG-19 and made it their own. Renamed the Shenyang J-6, the Chinese produced more than 4,500 aircraft between 1959 and the late 1990s. Stable production under license began in earnest in 1961 and ramped up, with exports primarily to Pakistan. Yet, the Shenyang also saw service in Vietnam, Somalia, Egypt, Iran, and Iraq air forces.
The Chinese saw the aircraft as disposable after 100 flying hours, although Pakistan managed to extract 130 hours from the aircraft before scrapping it. The aircraft was improved and modernized in Pakistan with modern Martin-Baker zero-zero ejection seats and AIM-9 Sidewinder missiles.
MiG-19 Combat Capability
The MiG-19 displayed two formidable characteristics in battle. It was more maneuverable than the heavier American aircraft, and it packed a considerable punch with its 3 x 30mm cannon. At the time, the MiG-19 opponents only carried the 23mm cannon. While the target opposition aircraft for the MiG-19 was the North American F-100 Super Sabre, it pitched against the McDonnell Douglas F4 Phantom IIs, and the Republic F-105 Thunderchiefs in Vietnam. Given its hard-hitting armament and ability to out-turn and out-accelerate the opponents, the MiG-19 managed to hold its own against theoretically superior technology. The two major operational drawbacks to the aircraft were its short-range and its temperamental engines.
FAQ: Frequently Asked Questions
Question: What does service ceiling mean?
Answer: An aircraft’s service ceiling is defined as the height at which the aircraft cannot climb at a rate greater than 100 feet per minute.
Question: What does dynamic ceiling mean?
Answer: This is the height limit able to be met using full power and aircraft momentum to climb. It does not support sustained operations.
Question: Aircraft Gross Weight refers to what?
Answer: Gross Weight is the total aircraft weight, including pilots, passengers, fuel, oil, and cargo.
Question: What is an afterburner?
Answer: An afterburner is a piece of equipment used on, mostly, military aircraft. It is a nozzle, or series of nozzles, introduced into the tailpipe of the jet engine. As engine exhaust still has a high level of oxygen in it, the afterburner injects fuel into the exhaust stream and ignites it. The burning fuel produces huge thrust increases to enable the aircraft to take off from short runways or escape another aircraft in a dogfight. It is hugely inefficient on fuel, using vast quantities.
Question: To what does MACH refer?
Answer: MACH number is the ratio of the aircraft speed compared to the speed of sound. The speed of sound is 1,126 feet per second. If the aircraft is flying at that speed, it is said to be doing Mach 1.0. Mach 0.75 is three-quarters the speed of sound, Mach 1.5 is one and one-half times the speed of sound.
Question: What is an aircraft’s angle of attack?
Answer: Angle of attack refers to the angle between a reference line on an aircraft, usually the chord of a wing, and the angle at which it meets the relative airflow. There is a maximum angle at which an airfoil will stall or cease to produce sufficient lift.
Question: Can you explain ‘thrust-to-weight-ratio’?
Answer: A ratio that describes the amount of thrust available, compared to the weight of the aircraft. Higher thrust-to-weight ratios make the aircraft accelerate and climb faster.
Question: What is ‘wing loading’?
Answer: Wing loading is the total aircraft mass divided by its wing area. Faster aircraft generally have a higher wing loading as less area is required to carry the same mass. However, it takes a longer distance high wing loading aircraft to take off and land.
Question: What is a zero-zero ejection seat?
Answer: A zero-zero ejection seat refers to an ejection seat’s ability to be used by the pilot when the aircraft is not moving forward and is at ground level. Some ejection seats require forward motion or a minimum altitude to assure safe ejection.
Question: What are hardpoints on an aircraft?
Answer: A hardpoint is a location on an aircraft designed to carry external or internal loads, such as fuel tanks, weapons, or storage containers.
The MiG-19 had a chequered history, rushed into service by the Soviets without comprehensive testing, and being rapidly overshadowed in 1956 by its more modern and successful older sibling, the MiG-21. Yet, almost 10,000 MiG-19s, or their derivatives, were built, seeing active service in over 12 countries. As late as 2002, the model was still in operation in large numbers in North Korea.
Today, there are few places to view the MiG-19. Most are in museums worldwide, while some countries still utilize the MiG-19, if only as a fast jet trainer. With the known difficulties of the engines and the limited airframe hours, it is only a matter of time before the MiG-19 is gone from our skies. Yet, they hold an important place in aviation history and in the hearts of the pilots that flew them.