Maintain NVGs to Standard

As appliances, the NVGs must be able to meet a certain criteria and performance standards plus a required FAA Certification. You can find the complete description and a list of performance standards in document RTCA/DO-275, Minimum Operational Performance Standards for Integrated Night Vision Imaging System Equipment, Oct. 12, 2001 and FAA Technical Standard Order (TSO) for night vision goggles (TSO-C164), Sept. 30, 2004.Night Vision Goggles (NVGs) were determined and classified as appliances in 1990 by the Federal Aviation Administration (FAA). NVGs are used in navigation, operation and have been a critical tool when it comes to the control and operation of an aircraft during night flight.

Night Flight Concepts owns and operates a FAA approved Part 145 NVG Repair Station (certification #N5ZR113B) which gives them the authority to conduct and certify the air worthiness of the inspections. They are also authorized to remove and replace the parts of NVGs and to complete repairs on night vision imaging systems.

Supporting models such as:

  • ITT – F4949, F4944, F4210, F4212 series
  • Litton of Northrop Grumman – M949, N929 series
  • L3 – M949 series
  • NIVISYS – NVAG series
  • US Army – AN/AVS-6 series
  • US Air Force / Navy – AN/AVS-9 series
Maintenance Services


Inspection ServiceFAA Return to Service Certificate;
Single point monitoring of NVG performance levels and degradation;
Monitoring of regulatory changes supporting continued air-worthiness and NVG component manufacturing updates;
180-Day InspectionIncludes battery pack, helmet mount, adjustment ranges, optics, current draw, image intensifiers nitrogen, gain, gain differential, resolution, infinity focus, diopter setting, collimation, and purge.
Standard RepairSupport line for NVG operators;
Repair existing NVG to perform as new;
Replacement of pivot & adjustment shelf, monocular housing, purge valves, o-rings, optics, circuit boards, battery pack wiring, image intensifier, performance upgrades.
Standard UpgradeReplace class “A” objective lens with class “B”, upgrade image intensifier, 2-turn fine focus objective lenses, 25mm eyepiece, dual eyespan, low profile battery pack.
WarrantyOne (1) year warranty on all new components installed;
One (1) year extended warranty on NVG after manufacture warranty expires (contract required).

NVG 180-Day Service Inspection

An overview of the 180-day NVG inspection process for NVGs.

NVG Repair Criteria

Criteria for NVG repair under qualified FAR Part 145 Repair Station.

NVG Parts

An overview of potential issues related NVG parts with recommendations.

NVG Warranty

An overview of warranty issues and recommendations.

If you are interested in maintenance services and would like more information, use our contact form to provide us with your details and any questions. We will get back to you in less than 24 hours. Or call directly at, 1.888.632.8764