GPS vertical axis performance enhancement helicopter precision approach
By: Robert P. Denaro and Jacques Beser.
Contributors: Beser, Jacques.; Ames Research Center.
Series: NASA contractor report -- 177443.; NASA contractor report -- NASA CR-177443.
Publisher: National Aeronautics and Space Administration, Ames Research Center; For sale by the National Technical Information Service
Published: 1988
Place of publication: Moffett Field, Calif; [Springfield, Va
Language: eng
Format: Microform
Subjects: Aeronautics -- Communication systems.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington,D.C.? : National Aeronautics and Space Administration], 1988. 2 microfiches.