CHARLOTTE, N.C. (AP) -- Investigators looking for the cause of a plane crash that killed 21 people said Thursday that the tail assembly controlling the plane's lift was behaving erratically ...

Federal authorities have issued a warning about a part of the tail in the type of seaplane that crashed in Washington state’s Puget Sound last month, killing 10 people.

The Federal Aviation Administration has issued a warning regarding potential weaknesses in parts of the tail of Otter seaplanes, the same type of aircraft that crashed off Whidbey Island last month.

The FAA says just before 1 p.m., a parachute from one of the jumpers deployed over the tail, damaging the horizontal stabilizer. The damage caused the plane to lose control, but before it could ...