Description:
This Service Bulletin provides instructions for loading uAvionix AV-20-S UAV-1003310-001 with updated software release 1.7.1. For increased performance in attitude indicator mode, the pitot and static pneumatic lines shall be connected if not already installed. This Service Bulletin does not describe or provide authority for the work to connect the pitot and static pneumatic lines.

Products Affected:
This Service Bulletin applies to the FAA NORSEE-approved uAvionix AV-20-S UAV-1003310-001, with operating software releases 1.1.0 or 1.2.0.