NXT's Automatic Flight Inspection product line includes a full spectrum of Flight Inspection Systems and products.

Portable GPS Flight Inspection System

Download the Brochure (PDF format; 565 KB)

The portable GPS flight inspection system (GFIS) developed by Parker Electronic Systems Division, allows any helicopter light fixed-wing aircraft to be use as a GPS Non-Precision approach flight inspection aircraft.

System Features
  • Simple aircraft installation
  • Inspection and certification of GPS Non-Precision approaches
  • High accuracy, real time differential GPS (DGPS) positioning
  • No ground-based operator required
  • Notebook computer processing, control and display
  • Adaptation of U.S. FAA-proven GPS-NP inspection software
  • Upgradeable to dual-frequency DGPS positioning
System Overview

The GPS comprises an airborne equipment unit, a ground equipment unit and an accessory case.

Airborne Unit

The airborne component consists of:
  • IBM Thinkpad notebook computer or equivalent
  • 12-channel GPS receiver
  • 5-watt synthesized netlink radio data system (SNRDS)
  • UHF data link
  • All necessary cables and antennas
  • Compact carry-on-board case


Ground Unit

The ground component, which is remotely activated and controlled from the aircraft, consists of:
  • GPS and UHF units identical to the airborne component
  • Internal battery charger
  • All necessary cables and antennas
  • Locking weather-proof case
Accessory Case

The accessory case is a locking case that provides: Storage space for all Antennas, Tripods, Cables and Other Accessories


Equipment Characteristics

Airborne Unit
  • External 115/230 ac (50-400Hz), 12V dc or 28V dc or,
  • Internal 3-hour battery operation
  • Contained in 13"x18"x8" carry case
Ground Unit
  • External 115/230 ac (50-400Hz), 12V dc or 28V dc or,
  • Internal 5-hour battery operation
  • Contained in 13"x18"x8" carry case
Accessory Case
  • Lockable 14"x49"x5" case
GFIS Accuracy
Two Sigma Accuracy GFIS TSO-C129 Receiver Requirement
XTK & ATK position error 3 feet + 15 ppm 330 feet
Waypoint displacement error 3 feet + 20 ppm 835 feet
Sales Office
3100 West Britton Road
Suite F
Oklahoma City, OK 73116

Phone: (405) 286-1746
Fax: (405) 286-4188
Email: nxtok@nxt-afis.com
Technical Support
2805 Veterans Highway
Suite 6
Ronkonkoma, NY 11779

Phone: (631) 738-9060
Fax: (631) 738-9062
Email: nxtny@nxt-afis.com