Olga Bay - Vladivostok

Following a series of reconnaissance missions over the east part of the Primorsky krai, the crew was preparing to return to Vladivostok. About 20 minutes after takeoff from the Olga Bay, the captain decided to return to refuel. The floatplane landed at a speed of about 140-150 km/h when the right pontoon collided with an obstacle (a tree trunk or the wreck of a wooden fishing boat). This caused the pontoon to be cut for more than one meter. Water entered the cabin then the airplane broke into three pieces and came to rest. The crew of the ship 'Dvinoles' arrived quickly on the scene and was able to evacuated 11 people but two passengers drowned.

Flight / Schedule

Olga Bay - Vladivostok

Registration

CCCP-L997

MSN

10529

Year of Manufacture

1933

Date

September 4, 1934 at 09:40 AM

Type

CRASH

Flight Type

Charter/Taxi (Non Scheduled Revenue Flight)

Flight Phase

Landing (descent or approach)

Crash Site

Lake, Sea, Ocean, River

Crash Location

Olga Bay Primorsky Krai

Region

Asia • Russia

Coordinates

43.6884°, 135.2498°

Crash Cause

Human factor

Narrative Report

On September 4, 1934 at 09:40 AM, Olga Bay - Vladivostok experienced a crash involving Savoia-Marchetti S.55, operated by Aeroflot - Russian International Airlines, with the event recorded near Olga Bay Primorsky Krai.

The flight was categorized as charter/taxi (non scheduled revenue flight) and the reported phase was landing (descent or approach) at a lake, sea, ocean, river crash site.

13 people were known to be on board, 2 fatalities were recorded, 11 survivors were identified or estimated. This corresponds to an estimated fatality rate of 15.4%.

Crew on board: 4, crew fatalities: 0, passengers on board: 9, passenger fatalities: 2, other fatalities: 0.

The listed crash cause is human factor. Following a series of reconnaissance missions over the east part of the Primorsky krai, the crew was preparing to return to Vladivostok. About 20 minutes after takeoff from the Olga Bay, the captain decided to return to refuel. The floatplane landed at a speed of about 140-150 km/h when the right pontoon collided with an obstacle (a tree trunk or the wreck of a wooden fishing boat). This caused the pontoon to be cut for more than one meter. Water entered the cabin then the airplane broke into three pieces and came to rest. The crew of the ship 'Dvinoles' arrived quickly on the scene and was able to evacuated 11 people but two passengers drowned.

Aircraft reference details include registration CCCP-L997, MSN 10529, year of manufacture 1933.

Geospatial coordinates for this crash are approximately 43.6884°, 135.2498°.

Fatalities

Total

2

Crew

0

Passengers

2

Other

0

Crash Summary

Following a series of reconnaissance missions over the east part of the Primorsky krai, the crew was preparing to return to Vladivostok. About 20 minutes after takeoff from the Olga Bay, the captain decided to return to refuel. The floatplane landed at a speed of about 140-150 km/h when the right pontoon collided with an obstacle (a tree trunk or the wreck of a wooden fishing boat). This caused the pontoon to be cut for more than one meter. Water entered the cabin then the airplane broke into three pieces and came to rest. The crew of the ship 'Dvinoles' arrived quickly on the scene and was able to evacuated 11 people but two passengers drowned.

Cause: Human factor

Occupants & Outcome

Crew On Board

4

Passengers On Board

9

Estimated Survivors

11

Fatality Rate

15.4%

Known people on board: 13

Operational Details

Schedule / Flight

Olga Bay - Vladivostok

Flight Type

Charter/Taxi (Non Scheduled Revenue Flight)

Flight Phase

Landing (descent or approach)

Crash Site

Lake, Sea, Ocean, River

Region / Country

Asia • Russia

Aircraft Details

Registration

CCCP-L997

MSN

10529

Year of Manufacture

1933