68 Years ago today: On 17 November 1955 a Peninsular Douglas C-54 crashed on climbout from Seattle-Boeing Field, killing 28 out of 74 occupants.

Date:Thursday 17 November 1955
Type:Silhouette image of generic DC4 model; specific model in this crash may look slightly different
Douglas C-54-DO (DC-4)
Operator:Peninsular Air Transport
First flight:1942
Engines:Pratt & Whitney R-2000-11
Crew:Fatalities: 1 / Occupants: 4
Passengers:Fatalities: 27 / Occupants: 70
Total:Fatalities: 28 / Occupants: 74
Aircraft damage:Destroyed
Aircraft fate:Written off (damaged beyond repair)
Location:4 km (2.5 mls) S of Seattle-Boeing Field, WA (BFI) (   United States of America)
Phase:Initial climb (ICL)
Nature:Domestic Non Scheduled Passenger
Departure airport:Seattle-Boeing Field International Airport, WA (BFI/KBFI), United States of America
Destination airport:Newark International Airport, NJ (EWR/KEWR), United States of America

Crashed in a residential area following takeoff from runway 13.
Probable Cause:

PROBABLE CAUSE : “The excessively high drag resulting from the improperly indexed propeller blades and inability to feather. These conditions were the result o a series of maintenance errors and omissions.”