Accident Douglas C-47A-10-DK (DC-3) OK-WDK,
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ASN Wikibase Occurrence # 334986
 

Date:Sunday 12 December 1954
Time:23:02
Type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different    
Douglas C-47A-10-DK (DC-3)
Owner/operator:CSA Ceskoslovenské Aerolinie
Registration: OK-WDK
MSN: 12549
Year of manufacture:1944
Engine model:Pratt & Whitney R-1830-92
Fatalities:Fatalities: 4 / Occupants: 4
Aircraft damage: Destroyed, written off
Category:Accident
Location:14,5 km NNE of Bratislava-Ivanka Airport (BTS) -   Slovakia
Phase: Approach
Nature:Cargo
Departure airport:Brno Turany Airport (BRQ/LKTB)
Destination airport:Bratislava-Ivanka Airport (BTS/LZIB)
Narrative:
The DC-3, registered OK-WDK, operated on a cargo flight from Prague's Ruzyne Airport (PRG) to Brno (BRQ) and Bratislava-Ivanka Airport (BTS).
The first leg of the flight was uneventful. The crew contacted Bratislava at 22:42. They were cleared for an approach to runway 23. Weather was poor with a visibility of 1800 meters 5/8 clouds at 80 m, and overcast (8/8) at 300 m. While turning on the approach course, the DC-3 impacted a wooded hillside 14.5 km from the threshold of runway and 1500 meters to the right of the center line. A fire erupted.
The cause was apparently blocked pitot tubes due to rain or frost. The pitot heater switch was found in the off position. This caused incorrect altimeter readings, leading the crew to descend to 70 m above airfield elevation at a point were the altitude should have been 600 m.

Sources:

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