I-42-1I System is designed to measure & calculate flight & navigation parameters of a/c and means of ground transport.
The system comprises:
- inertial unit based on GL-1 Laser Gyros and A-L2 accelerometers;
- GPS-GLONASS/NAVSTAR with ARINC 743A output (NAVIS CH-3301, KLN-99A etc.)


SPECIFICATIONS
Accuracy of determination of parameters in GPS up-dating mode:
- position coordinates                                                                         50-200m
- ground speed components                                                               5km/h
- pitch & roll                                                                                        0.04°
-true heading                                                                                     10 minutes
-warm-uptime                                                                                     115VAC,400Hz
- power supply from a/c                                                                      27V DC