Investigators are probing metal fatigue
Credit: NATIONAL TRANSPORTATION SAFETY BOARD
Investigators are probing metal fatigue in the inflight breakup of a Chalk's Ocean Airways Grumman twin-engine amphibian that killed all 20 on board on Dec. 19. Amateur videotape shows the right wing coming off inboard of the engine shortly after the 1947-vintage Grumman G-73T Turbo Mallard took off...
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