A US Army helicopter was flying higher than permitted limits when it collided in midair with an American Airlines Group Inc. regional jet last week, according to US aviation safety investigators.

The Army has identified the third crew member of a Black Hawk helicopter who died in the collision with a commercial jet in the skies over Washington last week as Capt. Rebecca M. Lobach, 28, of Durham, N.C.

There were 64 people on board the plane, a Bombardier CRJ-701-twin engine aircraft, while three soldiers were on the UH-60 helicopter, The Associated Press reported. Within about 12 hours after the crash,

The names of the two other soldiers were released Friday, but Lobach's name was withheld at the time at the request of her family.