
Mikoyan-Gurevich MiG-3
Soviet High-Altitude Interceptor
The fastest Soviet fighter of 1941 — a thoroughbred built to kill high-flying intruders, lethal above 4,000 m and a handful for green pilots down low, where the Eastern Front was actually fought.
The MiG-3: a stratosphere fighter thrown into a low-altitude war
In the late 1930s Soviet air planners wanted a fast interceptor that could catch high-flying bombers and reconnaissance aircraft over the homeland. The job went to a brand-new design office — the OKO at Moscow’s State Aircraft Factory No. 1 — led by two men whose initials would define a dynasty: Artem Mikoyan and Mikhail Gurevich. Working at speed, they wrapped an airframe around the biggest inline engine the USSR had, the Mikulin AM-35A, and produced the I-200. It first flew in the spring of 1940 and was, on paper, the fastest fighter in the Soviet inventory.
The first version, the MiG-1, was a dangerous animal — fast but unstable, with a short range and a reputation for biting inexperienced pilots. A revised model fixed the worst of it: the engine was moved forward, the wing gained dihedral, an extra fuel tank went in behind the pilot, and the canopy was reworked for a better view. That aircraft, heavier but far more usable, became the MiG-3. Its party trick was altitude: the AM-35A’s large supercharger kept the power up high, so above roughly 7,000–8,000 metres the MiG-3 was in its element, reaching about 640 km/h where rival fighters were gasping.
The problem was the war it actually got. When Germany invaded on 22 June 1941, the MiG-3 was the most numerous of the new-generation Soviet fighters — but most air combat on the Eastern Front happened low down, escorting or attacking troops, tanks and airfields. Down there the heavy, altitude-tuned MiG-3 was sluggish and unforgiving. One pilot called it, flatly, “a cow.” Worse, there were far more airframes than trained pilots to fly them, and many were destroyed on the ground in the first catastrophic days.
So the MiG-3 found its true calling not at the front but in home air defence — the PVO — guarding Moscow and Leningrad against high-flying intruders, exactly the mission it had been designed for. Its most famous pilot, Aleksandr Pokryshkin, cut his teeth on it in the opening days of the war before becoming the Soviet Union’s second-highest-scoring ace on later types. But the MiG-3’s fate was sealed by its engine: the AM-35 production line was needed to build the AM-38 for the Il-2 Sturmovik ground-attack aircraft, the machine Stalin wanted above all others. In late 1941 MiG-3 production was ordered to stop. Without an engine, the high-altitude falcon had no future.
01The MiG-3’s fatal compromise: a high-altitude fighter in a low-altitude war
Every strength of the MiG-3 pointed upward. The Mikulin AM-35A was geared with a large supercharger to hold its power at height, and the airframe carried a relatively high wing loading that made it stable and fast at altitude. Above about 7,000 metres it could out-run and out-climb the fighters sent against it. But that same recipe made it heavy, slow to accelerate and hard to turn down low — and it demanded a smooth, experienced hand.
The tragedy was that the 1941 air war was overwhelmingly a low-altitude war of close support: attacking columns, covering the retreat, dueling with Bf 109s a few thousand metres up. There the MiG-3 was outclassed, and it was handed to young conscript pilots with only a handful of flying hours. The aircraft that was superb where the fighting was not, and mediocre where it was, ended the year with the highest loss count of any Soviet fighter type.
What makes the MiG-3 special
An engine tuned for thin air
The heart of the MiG-3 was the Mikulin AM-35A, a liquid-cooled 60° V-12 of about 46.7 litres giving roughly 1,350 hp (sources vary, ~1,332–1,350 hp). Its large, high-boost supercharger kept power alive at altitude, so the fighter peaked around 7,000–8,000 m. The same big supercharger made the engine heavy and thirsty down low — strong exactly where the war mostly was not.
Fast, but lightly armed
Standard armament was modest: one 12.7 mm Berezin UBS و two 7.62 mm ShKAS machine guns, all cowling-mounted. Pilots widely judged it too light to down a bomber quickly. Field and factory kits added underwing 12.7 mm UBK gun pods, six RS-82 rockets or light bombs, and a few aircraft trialled 20 mm ShVAK cannon.
A demanding thoroughbred
High wing loading gave speed and stability at height but a tricky character near the ground: a sharp stall, an unforgiving spin and heavy controls. In skilled hands above 4,000 m it was formidable; in the hands of a barely-trained 1941 recruit it could be lethal to its own pilot. Pokryshkin likened it to a hot-tempered horse that rewarded a strong rider.
02The MiG-3’s MiG-1 origins: fixing a dangerous prototype
The MiG-3 was a rescue job on the MiG-1. Flight testing had shown the first model to be fast but directionally unstable, short on range and prone to vicious behaviour at the edge of the envelope. The fixes were methodical: the engine was shifted about 100 mm forward to improve longitudinal stability, the outer wings gained a degree of dihedral for lateral stability, a roughly 250-litre fuel tank was added under the seat to stretch the range, the radiator and oil systems were reworked, the cockpit glazing was enlarged for a better rearward view, and armour and ammunition were increased. The cost was about 250 kg of extra weight, which slightly dulled the climb and the ceiling — the price of making the design usable.
03The MiG-3’s guns: why Soviet pilots wanted more
Firepower was the MiG-3’s weakest suit. A single heavy Berezin and two rifle-calibre ShKAS were adequate against a fighter but slow to bring down a well-built bomber, the very target the interceptor existed to kill. Units improvised: some aircraft carried a pair of underwing UBK heavy machine-gun pods, others were fitted for RS-82 rockets or small bomb loads for ground attack, and a handful were tested with 20 mm ShVAK cannon. None of the fixes fully solved the problem before the type left the assembly line.
Full MiG-3 specifications
Airframe & Performance
- طاقم
- 1
- طول
- 8.25 m
- طول الجناحين
- 10.20 m
- ارتفاع
- 3.30 m
- منطقة الجناح
- 17.44 m²
- الوزن الفارغ
- ~2,700 kg
- Loaded weight
- ~3,350 kg
- Max speed
- ~640 km/h at ~7,800 m
- Speed at sea level
- ~505 km/h
- سقف الخدمة
- ~12,000 m
- يتراوح
- ~820 km (varies by source)
Propulsion, Armament & Cost
- محرك
- 1 × Mikulin AM-35A V12
- Power
- ~1,350 hp (~993 kW)
- Guns
- 1 × 12.7 mm UBS + 2 × 7.62 mm ShKAS
- Underwing options
- RS-82 rockets, bombs, UBK pods
- First flight
- 29 October 1940 (MiG-3 config)
- Built
- ~3,100+ (contested; see note)
- Unit cost
- No reliable public figure (planned economy)
- Cost per flight hour
- No reliable public figure exists
04The MiG-3’s operating costs: why no dollar figure exists
The MiG-3 was built inside a wartime centrally planned economy and never sold on any open market, so a meaningful flyaway unit price — and any cost-per-flight-hour figure — simply does not exist in the public record. Soviet accounting used non-convertible rubles and factory quotas, not Western-style life-cycle costs. Any precise dollar number attached to a MiG-3 today is an invention. The production total is contested too: reputable sources cite anywhere from about 3,120 to 3,300 aircraft, and some totals fold in the ~100 MiG-1s. We use “roughly 3,100+” throughout.
From high-altitude hope to grounded falcon
A rushed new design office
The OKO team at Factory No. 1 under Mikoyan and Gurevich begins the I-200, wrapped around the powerful Mikulin AM-35A engine.
The MiG-1 flies
The I-200 prototype takes to the air — the fastest Soviet fighter yet, but unstable and short-ranged.
The MiG-3 takes shape
The refined configuration flies on 29 October and is accepted in December, entering service through the spring of 1941.
Barbarossa
With ~900–1,000 in service, the MiG-3 is the most numerous new Soviet fighter — but there are far more airframes than trained pilots. Pokryshkin flies his first, chaotic combats this day.
Guarding Moscow
As frontline units are ground down, survivors concentrate in PVO home defence around Moscow and Leningrad — the high-altitude role the aircraft was built for.
Traded for the Sturmovik
Production is curtailed: the AM-35 line is switched to the AM-38 engine for the Il-2. Without an engine, the MiG-3 is doomed.
Fading from the front
Frontline VVS use collapses; a dwindling number soldier on in home-defence and night interception before the type disappears.
Raised from the tundra
Aviarestoration in Novosibirsk rebuilds MiG-3s from wartime wrecks recovered near Murmansk; a restored example flies again decades after the war.
From the cockpit: twelve MiG-3 stories
The falcon built in a hurry
A brand-new design office wrapped a fighter around the biggest engine the USSR had — in months.
Read the full story
An engine that loved thin air
The AM-35A’s big supercharger kept the power up high — and weighed the fighter down low.
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Fixing a dangerous prototype
The first model was fast but bit its pilots. The MiG-3 was the fix.
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“A cow” at low level
Superb above 4,000 m, heavy and sluggish down where the fighting was.
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Caught on the back foot
The most numerous new Soviet fighter — and one of the worst-placed to fight in June 1941.
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A tragic first kill
On the war’s first day the future ace shot down one of his own side’s aircraft.
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The Messerschmitt over the Prut
His first genuine kill — then, days later, shot down and a long walk home.
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Guarding Moscow’s sky
Pushed out of the front line, the MiG-3 found its real job over the capital.
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Three guns and a grievance
Light firepower for a bomber-killer — a complaint that followed the type to the end.
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Traded for the Sturmovik
Stalin wanted Il-2s. The MiG-3 lost its engine to build them.
Read the full story
The most-lost Soviet fighter
A hard first year left the MiG-3 with a grim statistical record.
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Raised from the tundra
Decades later, wrecks recovered from the Arctic put MiG-3s back in the air.
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The MiG-3 in pictures






The MiG-3 in motion
Palm Springs Air Museum: MiG-3 — Warbird Wednesday Episode #88. An accredited museum’s on-camera history of the type, the engine that defined it and its hard first year on the Eastern Front.
Where the MiG-3 flew
The MiG-3’s war: defence, not dogfighting
The MiG-3 was an interceptor, and its record is written in home defence and hard first-year losses rather than in a long tally of dogfight kills. It was the most numerous modern Soviet fighter when Germany invaded, yet it was thrown into a low-altitude war it was never built for. Its best work was done high over Moscow and Leningrad — and in the hands of pilots like Pokryshkin, who learned to fight on it before moving to better types.
Compare the combat record of every military aircraft. Figures as of 2026.
Everything people ask about the MiG-3
Can I fly in a Mikoyan-Gurevich MiG-3?
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Why was the MiG-3 poor at low altitude?
Why did MiG-3 production stop so soon?
Did Aleksandr Pokryshkin fly the MiG-3?
How many MiG-3s were built?
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You can’t fly the MiG-3.
These, you can.
Some legends only live in museums — others are fuelled and waiting. MiGFlug has put civilians in real military jet cockpits since 2004.
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Every MiG-3 fact, checked
- Military Aviation Museum — Mikoyan-Gurevich MiG-3Owner of the only intact MiG-3 in North America; authoritative on the airframe and its restoration.
- VVS Air War — The MiG-1 & MiG-3 High-Altitude InterceptorsDetailed development, engine and production history of the type.
- Massimo Tessitori — Soviet Warplanes: MiG-3Long-running research site on Soviet aircraft, unit histories and the Pokryshkin combats.
- Warbird Digest — Aviarestoration’s MiG-3 restorationAccount of the Novosibirsk rebuilds from wartime wrecks.
- HistoryNet — Soviet warbird restorationsBackground on recovering and returning wartime Soviet types to the air.
- Palm Springs Air Museum — Warbird Wednesday #88Accredited-museum video history of the MiG-3 (embedded above).
- Imperial War MuseumsReference on the Eastern Front air war of 1941–42 in which the MiG-3 fought.
- Yefim Gordon & Dmitriy Komissarov — Mikoyan MiG-3Standard monograph on the design, variants and service of the aircraft.