INSTALLATION AND REMOVAL INSTRUCTIONS FOR THE TRIMBLE TRIMPACK GLOBAL POSITIONING SYSTEM (GPS) SPECIAL MISSION KITS ON OH-58C (ROUND GLASS) HELICOPTERS, TB 1-1520-228-20-79

INSTALLATION AND REMOVAL INSTRUCTIONS FOR THE TRIMBLE TRIMPACK GLOBAL POSITIONING SYSTEM (GPS) SPECIAL MISSION KITS ON OH-58C (ROUND GLASS) HELICOPTERS, TB 1-1520-228-20-79

This Technical Bulletin to only be applied if dictictated by mission requirements. It provides Instructions for the temporary Installation of provisions for a GPS Trimpack receiver on the upper center surface of the main Instrument panel glareshield in the cockpit and a remote antenna on the upper wire strike cutter. When the GPS is installed, it will provide the copilot/observer with information on aircraft position for navigation.