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Il-12 crash in Magdagachi (1953)

4 Nov 1953 · 5 km from Magdagachi Airport, Amur Oblast (RSFSR, USSR)

Aeroflot (East Siberian Territorial Directorate of the GVF, Irkutsk Aviation Group) Ilyushin Il-12 · Crew error

From Irkutsk to Novy, Khabarovsk

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Event

Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
Accident
Event fatalities
5 · all aircraft and ground
Ground fatalities
Unknown
Occupants
Unknown
Survivors
Unknown
InjuriesFatal: death within 30 days. Serious: over 48 hours in hospital within a week, most broken bones, severe bleeding, nerve or organ damage, or serious burns. Minor: anything less. Glossary
Unknown
OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
Airline

Ilyushin Il-12

Aircraft type
Ilyushin IL-12
Category
Airplane · from aircraft type
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
CCCP-L1367
Onboard fatalities
5
Route
From IrkutskTo Novy, Khabarovsk

Cause areas

  • Personnel issues › Task performance
  • Personnel issues › Experience/knowledge
  • Organizational issues › Support/oversight/monitoring
  • Environmental issues › Operating environment

From the investigation findings the Wikipedia article reports, sorted into the NTSB's cause areas with AI assistance.

Not plotted · Not plotted: the Wikipedia article gives no coordinates, and its site names no town or airport that matches exactly.

From the Wikipedia article

The Il-12 crash at Magdagachi was an aviation accident involving an Il-12 aircraft of Aeroflot that occurred on Wednesday, 4 November 1953 near Magdagachi airport, killing 5 people.

Crash

The aircraft was operating mail flight 5 from Irkutsk to Khabarovsk with intermediate stops in Chita and Magdagachi. At 10:03 the airliner took off from Irkutsk and 1 hour 5 minutes later landed safely in Chita. Then at 12:58 flight 5 took off from Chita for Magdagachi and after climbing took up flight level 3000 metres. At 14:24, proceeding at this flight level, the aircraft entered the area of responsibility of the control centre in Magdagachi, and at 15:41, having already descended to flight level 1200 metres, it also entered the zone of Magdagachi airport. The airport controller cleared flight 5 to descend to the height of the traffic circuit with a pressure setting of 728.2 mm Hg. The crew then received clearance to land on a heading of 300°, as well as the landing conditions (north-westerly wind 4 m/s, clear, visibility 15 kilometres), after which it began the approach. At this time it was a clear moonless night. The airport's flight director watched as the Il-12 approached the airport on a heading reciprocal to the landing heading, made the third turn, and then disappeared from view. Several minutes passed, after which a glow suddenly appeared in the area of the fourth turn.

As was established, between the first and second turns the airliner approached the airfield at a height of approximately 600 metres. When the commander received clearance to land, he did not fly a full check circuit but immediately began the landing approach. However, when the Il-12 completed the fourth turn, it began catching the tops of trees with its wing. After flying like this for 160 metres, the aircraft then struck the trunk of a thick tree with its left wing, as a result of which the wing was partially destroyed. The airliner soared sharply upward, then, rotating to the left about its axis, turned over "onto its back", after which at 15:55 (21:55 local time), 358 metres from the point of first collision with the trees, it struck the ground at an angle of about 45°. The aircraft was completely destroyed and burned, and all five people on board died.

Investigation and cause

Investigation

It was established that all the aircraft's systems had been working properly before the collision. Having examined the left altimeter (on the commander's side), the investigators determined that the pressure on it had been set to 733.2 mm Hg, that is, 5 mm Hg higher than the controller had given. Such a difference caused the altitude readings to be overstated by 55 metres. The readings of the right altimeter (on the co-pilot's side) could not be determined. Also, during the approach the commander delayed the fourth turn, as a result of which it was performed 1–1.5 kilometres further out than usual, and moreover over terrain that was 100 metres above the level of the airfield, and that is without taking into account the trees growing on it. Thus, when the aircraft was rolling out of the fourth turn, with altimeter readings of 175–180 metres it was actually 20–25 metres above the ground, and therefore, while 5620 metres from the airport, it began catching trees with its wing. There were also errors in the actions of the flight director, who showed no initiative in directing the flight, did not require the crew to fly the full check circuit, and when flight 5 disappeared from view, did not take the necessary measures to locate it.

The main cause of the crash, in the commission's opinion, was the incorrect setting of the airfield pressure on the barometric scale of the left altimeter, and also that the pilots thereafter did not monitor the height readings on the radio altimeter. Contributing factors to the crash included the aircraft commander's insufficient practical experience of night flying, which the deputy commander of the Irkutsk Aviation Group failed to detect in time during check flights, and also the unsafe approach procedure with a landing heading of 300°, since just five kilometres south-east of the airport, that is, near the area where the fourth (final) turn is performed, there is terrain that is 100 metres above the level of the airfield.

Translated into English with AI assistance from the Russian Wikipedia article “Катастрофа Ил-12 в Магдагачах (1953)” (revision 152863973, retrieved 2026-09-19) by its authors, under CC BY-SA 4.0. Extracted as plain text: references, tables, images and some sections are left out; the translation may contain errors, and long articles were cut to their first 700 words. Read the article

Sources

Russian Wikipedia article: Катастрофа Ил-12 в Магдагачах (1953)
Article
Катастрофа Ил-12 в Магдагачах (1953)
Translation
Into English with AI assistance; names of linked operators and aircraft types from Wikidata. It may contain errors.
Revision
152863973 · 2026-04-25 · retrieved 2026-09-19
Wikidata
Q19909941
Licence
Text CC BY-SA 4.0, by the article's authors; Wikidata CC0; town positions GeoNames (CC BY 4.0)
Where each value comes from
Record
ru Wikipedia article "Катастрофа Ил-12 в Магдагачах (1953)" (page 5354506, revision 152863973), translated into English with AI assistance
Date
Wikipedia infobox: date
Place and country
Wikipedia infobox: site
Map position
none
Aircraft, operator and route
Wikipedia infobox: aircraft type, registration, operator, origin and destination; route airports from the linked airport articles' Wikidata codes (OurAirports)
Operation
operator is an airline according to Wikidata
Fatalities
Wikipedia infobox: aircraft fatalities
Ground fatalities
not stated in the Wikipedia infobox
Summary
Wikipedia infobox: summary
Source notes (1)
  • Wikipedia · Facts from the Russian Wikipedia article's infobox, translated into English with AI assistance, not checked against an investigation report. Independent review pending.