Aircraft accident report
Subtitle: Air Pennsylvania 501 Piper PA-31-350, N5MS, Philadelphia, Pennsylvania, July 25, 1980
By: National Transportation Safety Board.
Publisher: The Board; National Technical Information Service, distributor]
Published: 1981
Place of publication: Washington, D.C; [Springfield, Va
Language: eng
Number of pages: 24
Subjects: Aircraft accidents -- Pennsylvania -- Philadelphia.; Atmospheric turbulence.; Aeronautics -- Pennsylvania -- Philadelphia -- Safety measures.
Other titles: Air Pennsylvania 501 Piper PA-31-350, N5MS, Philadelphia, Pennsylvania, July 25, 1980.
Notes: Cover title.

"NTSB-AAR-81-1."