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NTSB investigations/NTSB defining events/Unknown or undetermined/

NTSB investigations, 1977, ND

0 cases where the sequence of events included Unknown or undetermined.

Defining event

Finding

Phase of flight

Aircraft model

In the sequence: Unknown or undetermined Fatal Major investigations Ongoing Final reports

ND

All states AK AL AR AZ CA CO CT DC DE FL GA HI IA ID IL IN KS KY LA MA MD ME MI MN MO MS MT NC ND NE NH NJ NM NV NY OH OK OR PA PR RI SC SD TN TX UT VA VI VT WA WI WV WY Atlantic Ocean Canada Gulf of Mexico Mexico Pacific Ocean Place not recorded Outside the U.S.

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1977

2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962

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