Page:CAB Accident Report, TWA crash on 17 May 1940.pdf/15

  The weather conditions in the vicinity of the accident at 6:03 p.m. were overcast at an altitude of approximately 800 feet above the ground, moderate rain and visibility of approximately 1 mile. Subsequent to the landing, one of the carburetors was removed and was found to contain a large amount of soft rime ice. The remaining three carburetors were inspected the following day and each was found to contain a considerable quantity of water. Examination of the gasoline tanks showed the fuel to be ample and to be free from water and dirt.

Loss of power in flight resulting from icing of carburetor system.

The subject of icing has been under careful study for some time and continuous effort is being made to obtain sufficient data and experience to eliminate this hazard completely. Progress has been fairly satisfactory as shown by the marked reduction of icing accidents. The enforcement of the new Civil Air Regulations covering means for the prevention and elimination of ice has contributed substantially to this progress. This part of C.A.R. 04.6 was issued on