UFO Case Directory (SIGHTINGS FROM AIRCRAFT):

“AF ‘Requests’ Plane Loaded 
With Passengers To Chase UFO, 
April 8, 1956, New York State”
(NICAP.org)

Captain Raymond Ryan and First Officer William Neff (American Airlines) followed a UFO across New York State on 8 April 1956, according to NICAP:

http://www.nicap.org/560408ryan_dir.htm

The pilots first sighted the UFO over Schenectady, New York.

NICAP.org presents U.S. government (U.S. Air Force) documents that pertain to the UFO case.

Satellite photo of Schenectady, New York (tageo.com)
(tageo.com photo)