1. Jeppesen Sanderson Avstar: Version 1 built by TI on the TI-35 platform, this
does specialized navigation computations.
2. Cessna Sky/Comp: Another derivative of the TI-35.
ASA Pathfinder: Notable for its large screen.
Navtronic 16, Navtronic 1701: The unusual layout of these calculators includes fourteen LED lights to the right of the keyboard which light up to identify aviation functions. The BRT-DIM switch dims the display for nighttime flying. The 1701 is an updated version of the 16.
Navtronic Navigator: SEC continued its presence into the LCD age, although there's a loss in not having those LED indicators.
More from Texas Instruments:
1. Jeppesen Sanderson Avstar: A later version on a TI-35-II box.
2. Jeppesen Sanderson Prostar: An improvement on the Avstar, based on the TI-55-II housing.