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December 23, 1963

Mr. Lee Johnson
Division President
Sikorksy Aircraft Division
United Aircraft Corporation
Stratford, Connecticut

Mr. William Johnson
Program Control Engineer, T-58 Project
Small Aircraft Engine Department
The General Electric Company
1000 Western Avenue, Building 2-40
West Lynn 3, Massachusetts

Mr. Gordon W. Link
Director of Planning
Vertol Division
The Boeing Company
Woodland Avenue & P.R.R.
Morton, Pennsylvania.


This study was prepared by the United Research in response to your request for an independent appraisal of the outlook for vertical-lift aircraft from an organization outside both the manufacturing and the air carrier industries.

Acknowledgement should be given, however, of the assistance which has been given us in the performance of this study by yourselves and other personnel associated with your companies. I should like to recognize also the helpful assistance given us by the four helicopter carriers-Chicago Helicopter Airways, Los Angeles Airways, New York Airways and San Francisco & Oakland Helicopter Airlines.

As the studies, statistics and data obtained from your companies are all familiar to you, we have made no attempt to reproduce them in this report. To the reader, however, I should like to make it clear that United Research takes full responsibility for the interpretation of such data. This also applies to data furnished by the carriers.

United Research personnel participating in the study included Dr. Paul W. Cherington, Mr. Stanley Gewirtz, Mr. Robert Fraser and Mr. Dan Love. Additional assistance was given by Mr. Robin Wilson and Mr. James Templeton.

A.H. Norling
Project Director 
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