scope:

Purpose of This Notice. This notice provides guidance to inspectors who have oversight responsibility of air carriers equipped with a Night Vision Imaging System (NVIS) and are assigned operations specification (OpSpec) paragraph D093, Helicopter Night Vision Goggle Operations (HNVGO) Maintenance Program. (See Appendix B, Sample OpSpec D093, Helicopter Night Vision Goggle Operations (HNVGO) Maintenance Program.) This guidance contains the instructions to perform the inspections of the NVIS lighting installation, the NVIS documentation, and maintenance requirements of the approved installation. Additionally, this guidance will introduce a revision to OpSpec D093, capturing the maintenance and installation data for the NVIS and night vision goggles (NVG). An NVIS Aircraft Inspection Job Aid, which inspectors can use as a guide, is included in Appendix A, Night Vision Imaging System Aircraft Inspection Job Aid.