Ensign Shaffer was a Starfleet officer who served aboard the USS Enterprise, under the command of Captain James T. Kirk, in the 2260s.

During the Enterprise's mission to Kyros in 2269, he stood in as the helmsman on bridge duty. (TOS novel: Spock, Messiah!)

USS Enterprise (NCC-1701) flight control personnel
Under Robert April	Bann • Ferarra • C. Florida • S. Niles • Nobis • Po • I. Soulian	Under Christopher Pike	Mohindas • Number One • J. Tyler • Viola • B. Wayne
Under James T. Kirk (first five-year mission)	Akrumba • D. Alden • Arex N. E. • D. Bailey • L. Baker • T. Barrows • Brady • Brubaker • Burnhard • Chalmers • P. Chekov • M. Cheung • J. Clayton • Connors • S. DePaul • V. DeSalle • J. Farrell • Frost • Green • B. Hadley • J. Haines • B. Hansen • Harrison • M. Ita • L. Kelso • S. Kerby • Kovaks • J. Kyle • R. Latimer • R. Leslie • F. Longstreet • V. Mahtani • G. Mitchell • Moore • Nova • R. Painter • N. Rahda • K. Riley • Sanchez • Sankey • Shaffer • Spinelli • Stanley • A. Stiles • H. Sulu • H. Tanaka • J. Thompson • Tommy • Vitali • D. Walking Bear
Subsequent missions under Kirk & Spock	D. Avoca • Bhutto • Billings • N. Bryce • s'Bysh • P. Chekov • M. DiFalco • Domenick • M. Ledoux • Haarv • Heming • Hwavirë • Ilia • A. Lee • Ryan • Saavik • E. Sherwood • H. Sulu • T'Lara
see also: Personnel roster • administrative personnel • communications personnel • engineering personnel • medical personnel • security & tactical personnel • sciences personnel • senior staff • unnamed (2240s and 2250s • 2260s • 2270s and 2280s)