In-flight escape systems for helicopters should be developed to prevent fatalities
By: report to the Congress [on the] Department of Defense by the Comptroller General of the United States.
Publisher: U. S. General Accounting Office
Published: 1973
Place of publication: [Washington
Language: eng
Number of pages: 27
Subjects: Helicopters.; Aircraft survival equipment.
Notes: Cover title.

"B-177166."

"June 12, 1973."