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

Date & Time: Nov 15, 1934 at 1630 LT
Type of aircraft:
Polikarpov P-5
Operator:
Registration:
CCCP-L786
Flight Phase:
Flight
Flight Type:
Postal (mail)
Survivors:
No
Site:
Plain, Valley
Schedule:
Irkutsk – Krasnoyarsk
MSN:
5683
YOM:
1932
Location:
Kaduy
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Aircraft flight hours:
341
Circumstances:
The pilot, sole on board, departed Irkutsk at 1440LT on a mail flight to Krasnoyarsk. After passing over Nizhneudinsk, he encountered poor weather conditions with blizzard and heavy snow falls. He reduced his altitude to establish a visual contact with the ground and elected to return to Nizhneudinsk. At a height of about 20 metres, the airplane impacted the top of a larch tree with its right wing, continued for about 50 metres then crashed in a wooded area, bursting into flames. The pilot was killed.
Probable cause:
The accident resulted from an impact with trees while cruising at low altitude through poor visibility due to bad weather conditions. It was determined that the pilot was cleared to takeoff from Irkutsk despite the weather conditions en route were unfavorable. Also, the pilot was inexperienced in instrument flights.

Crash of a Fokker C-4 near Kemerovo: 1 killed

Date & Time: Oct 29, 1929 at 0840 LT
Type of aircraft:
Fokker C-4
Operator:
Registration:
CCCP-150
Flight Phase:
Flight
Flight Type:
Postal (mail)
Survivors:
No
Site:
Plain, Valley
Schedule:
Moscow – Novosibirsk – Krasnoyarsk – Irkutsk
MSN:
2347
Location:
Kemerovo
Kemerovo oblast
Country:
Russia
Region:
Asia
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Circumstances:
The aircraft was engaged in a mail flight from Moscow to Irkutsk with several en route stops. After leaving Novosibirsk, about an hour into the flight, the pilot encountered poor visibility due to foggy conditions. He apparently attempted an emergency landing when the airplane impacted ground and crashed southwest of Kemerovo, about 183 km northeast of Novosibirsk. The airplane was destroyed and the pilot was killed.
Probable cause:
The pilot was inexperienced for flying in limited visibility and under instruments. Unable to continue the flight, he attempted an emergency landing when the airplane crashed. It was also determined that the pilot did not received relevant information about weather conditions en route prior to departure, which was considered as a contributing factor.
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