Omsk | Bureau of Aircraft Accidents Archives

The airplane departed Moscow on a flight to Irkutsk with intermediate stops in Omsk and Novosibirsk. On approach to Novosibirsk Airport, the crew encountered unfavorable weather conditions when the aircraft crashed. Three passengers were rescued while 18 other occupants were killed.

Crash of a Kalinin K-5 in Omsk: 4 killed

Date & Time: Feb 11, 1939 at 1235 LT

Type of aircraft:

Kalinin K-5

Operator:

Registration:

CCCP-L527

Flight Phase:

Landing (descent or approach)

Flight Type:

Scheduled Revenue Flight

Survivors:

Site:

Airport (less than 10 km from airport)

Schedule:

Tara - Omsk

MSN:

YOM:

1930

Location:

Country:

Region:

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Aircraft flight hours:

3094

Circumstances:

On final approach to Omsk Airport, in light snow falls, the pilot realized he was not properly aligned with the runway and initiated a go around procedure. Following a short circuit, he started a second attempt to land when, on short final, the airplane rolled to the left and descended to the ground, crashing near the runway threshold. The aircraft was destroyed and all four occupants were killed.

Probable cause:

Loss of control on short final following poor techniques on part of the pilot-in-command. The low visibility caused by snow falls was considered as a contributing factor as well as the fact that the speed indicator was probably showing erroneous parameters because the receptor was obstructed by snow. This situation reduced the aircraft' speed on final, causing a stall.

Crash of a Polikarpov P-5 in Novosibirsk: 1 killed

Date & Time: Sep 1, 1938 at 0315 LT

Type of aircraft:

Polikarpov P-5

Operator:

Registration:

CCCP-L1900

Flight Phase:

Takeoff (climb)

Flight Type:

Cargo

Survivors:

Site:

Airport (less than 10 km from airport)

Schedule:

Novosibirsk – Omsk

MSN:

9548

YOM:

1935

Location:

Country:

Region:

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Aircraft flight hours:

2269

Circumstances:

During the flight preparation, the pilot was informed about the deterioration of the weather conditions en route. Nevertheless, he took off from Novosibirsk Airport at 0310LT on a cargo flight to Omsk. The aircraft was also carrying a load of 184 kg of camphor. Immediately after takeoff, the airplane entered clouds and fog. The pilot continued for about five minutes when the airplane crashed in a wooded area located 7 km north of the airport. The pilot was killed.

Probable cause:

The pilot was not sufficiently trained and the aircraft was not equipped for a night IFR flight. At the time of the accident, the visibility was poor due to low clouds and fog. The pilot probably lost control of the airplane after becoming disoriented.

Crash of a Polikarpov P-5 near Karatkansk: 1 killed

Date & Time: May 18, 1934 at 2020 LT

Type of aircraft:

Polikarpov P-5

Operator:

Registration:

CCCP-L1075

Flight Phase:

Flight

Flight Type:

Postal (mail)

Survivors:

Site:

Plain, Valley

Schedule:

Novosibirsk – Omsk

MSN:

6434

YOM:

1933

Location:

Country:

Region:

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Aircraft flight hours:

491

Aircraft flight cycles:

152

Circumstances:

The pilot, sole on board, departed Novosibirsk Airport at 1740LT on a mail flight to Omsk. After passing over Tatarsk, weather conditions worsened with low ceiling, heavy rain falls and strong winds up to 57 km/h. After entering clouds, the pilots lost his bearings and elected to return to Tatarsk but the local beacon was unserviceable due to poor weather conditions. The pilot turned several minutes and probably attempted an emergency landing when the aircraft impacted ground and crashed in a field located 5 km south of the Karatkansk Station. The airplane was destroyed and the pilot was killed.

Probable cause:

The accident was the consequence of an impact with the ground at high speed while the pilot had lost all bearings in an unfavorable environment.
The following contributing factors were identified:
- The person in charge to provide weather bulletin prior to departure from Novosibirsk failed to transmit accurate weather reports to the pilot;
- The person in charge to provide same services en route (at the intermediate weather station) also failed to provide accurate information;
- The pilot took the decision to continue the flight through clouds and below the altitude of 200 metres.

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