Aircraft accident/incident summary report
Subtitle: midair collision involving Lycoming Air Services Piper Aerostar PA-60 and Sun Company Aviation Department Bell 412, Merion, Pennsylvania April 4, 1991
By: National Transportation Safety Board.
Publisher: National Transportation Safety Board
Published: 1991
Place of publication: Washington, D.C
Language: eng
Format: Microform
Number of pages: 26
Subjects: Aircraft accidents -- Pennsylvania -- Merion; Piper airplanes -- Accidents; Bell helicopter -- Accidents
Other titles: Midair collision involving Lycoming Air Services Piper Aerostar PA60 and Sun Company Aviation Department Bell 412, Merion, Pennsylvania April 4, 1991.
Notes: Cover title.

"September 17, 1991."

"NTSB/AAR-91/01/sum."

"PB91-910407."

Microfiche. [Washington, D.C.] : U.S. G.P.O., [1992]. 1 microfiche.