A Russian Antonov An‑22 military heavy transport aircraft (registration RF‑08832) disintegrated in mid‑air and crashed into the Uvodskoye Reservoir near Ivanovo Oblast, Russia, on 9 December 2025, killing all on board during a post‑maintenance test flight.
The crash, one of the most dramatic in recent memory involving a Cold War-era turboprop, is likely to trigger an extensive investigation by Russian authorities. Initial reports indicate a catastrophic in‑flight failure minutes after takeoff from a military base near Ivanovo, which is a region that lies 200 kilometers (125 miles) east of Moscow.
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Crash Sequence and Technical Factors
Social media footage widely circulated in open‑source intelligence communities show the fuselage separating and sections of the aircraft detaching as it plummeted toward a reservoir.
Witnesses and analysts have described the breakup sequence as rapid and explosive, indicative of a sudden structural collapse rather than a controlled emergency landing attempt. According to Kommersant.ru, the Russian Military “plan to allocate tanks and tractors to pull the wreckage out of the water“:
“In the meantime, a commission has been created in the Aerospace Forces of the Ministry of Defense to study the circumstances of the emergency, and a criminal case has been opened in the military investigative authorities under Article 351 of the Criminal Code (violation of the rules of flights or preparation for them). Investigators are inspecting the crash site, seizing documentation related to the operation and repair of the aircraft, as well as fuel samples that will be sent for examination.”
Various sources report that the An‑22 departed on a test flight following recent maintenance work. Moments after takeoff, the aircraft lost control and suffered a breakup before crashing. All crew and technicians on board perished.
Aviation observers have linked the failure to possible assembly errors or fatigued structural components, consistent with the extreme age of the airframe and the demanding duty cycles such aircraft endure. The aircraft involved in the accident is over fifty years old.
A report referenced by an industry press source notes that problems at the repair facility, including lack of funds and potential maintenance shortcomings, may have contributed to a faulty assembly or improperly serviced flight‑control actuators, Defense Express reported:
“….russian sources have begun reporting extensively on the case, expressing confusion as to why russia, as it turns out, lacks funds even for a defense enterprise. This is particularly striking given that the plant is part of Aviaremont, which itself falls under UAC (United Aircraft Corporation), the holding that consolidates russia’s key and largest aviation companies.”
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Expert Insight into the Reasons Behind the Crash of the Largest Turboprop
This technical viewpoint highlights that catastrophic disintegration is rarely attributable to a single minor fault but often stems from compounded stress and lifecycle challenges. It has been said that there are 2-5 An-22 that are currently in operation. These aircraft have the following specification:
Investigators have begun drawing a direct link between the crash and the deteriorating condition of the Ivanovo-based 308th Aircraft Repair Plant, with key findings such as the following being reported:
Key findings reported so far include:
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The accident has reportedly been attributed to “incorrectly assembled or inadequately repaired control actuators”.
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Workers at the facility have allegedly gone unpaid for several months, raising concerns about workforce morale and quality control.
| Financial item | Amount |
|---|---|
| Total outstanding debt | More than $3.76 million |
| Unpaid wages | ~$720,000 |
| Electricity arrears | ~$250,000 |
| Court-ordered compensation to Ilyushin | $2.3 million |
| Contract in dispute | Aircraft repair agreement signed in 2020 |
The following are the aircraft types supported by the plant:
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An-22: Russia’s only full-capability repair facility
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An-30: Certified repair support
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An-32: Certified repair support
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An-72: Primary overhaul center
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An-26: Primary overhaul center
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Il-112V: Planned repair base; program terminated
Estimated Fleet Still in Operation
Despite the loss of the largest turboprop in the world, the Russian Air Force, still has a formidable inventory. The Russian Air Force is ranked 3rd in the WDMMA ranking. Here is the inventory of Russian Air Force:
Data: Global Military
| Category | India (Units) |
|---|---|
| Aircraft available at 50% readiness rate | 1,839 |
| Aircraft available at 70% readiness rate | 2,574 |
| Aircraft available at 75% readiness rate | 2,758 |
| Aircraft available at 80% readiness rate | 2,942 |
| Combat / Attack | 1,320 units |
| General Support | 2,095 units |
| Pilot / Crew Training | 262 units |
| Future Procurement | 395 units |
Source: WDMMA
According to TWZ, last year saw unconfirmed reports that “Russia had finally ceased operations of its An-22 fleet altogether“:
” At this time, it was suggested that the last example, registration number RF-09309, built in 1974, was flown from its home base of Migalovo in the Tver region of western Russia, to Yekaterinburg in the Ural Federal District on August 16, 2024. It was expected to be put on permanent display at the military museum in Verkhnyaya Pyshma. However, no An-22 is visible in recent satellite imagery of the collection, suggesting those plans may have changed”.
The Antonov An-22 is a relic of the Soviet era aircraft that included the likes of Caspian Sea Monster, Ilyushin Il-76 among others.
In the early 200s, there were 9 airworthy An-22 at Migalovo, a fleet size which reduced to five in the recent years. In 2024, Russian Military Transport Aviation commander Gen. Vladimir Venediktov stated the An-22 would retire before year’s end.
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