Avionics Maintenance Services

Avionics systems form the technological backbone of modern aircraft, integrating navigation, communication, surveillance, flight control, and passenger support. At Global Jet MRO, our avionics maintenance capabilities cover inspection, testing, repair, calibration, and software management for all major Airbus and Boeing commercial models. Services are carried out in compliance with FAA, EASA, CAAC, and ICAO Part-145 standards, ensuring maximum safety, reliability, and dispatch readiness.

Key Avionics Services

1. Navigation & Flight Management

– FMS, GPS, IRS/INS, VOR/DME, ILS inspections and testing.
– Database updates, ARINC 424 navigation data loading, and software version control.
– Alignment checks, redundancy verification, and ETOPS readiness.

2. Communication Systems

– Maintenance of VHF/UHF/HF radios, SATCOM, ACARS, SELCAL, and interphone/PA systems.
– Antenna testing for impedance, signal strength, and lightning protection.
– Cabin and cockpit communication reliability checks.

3. Surveillance & Safety Systems

– Transponder (Mode-S/ADS-B) verification, TCAS/ACAS functional tests.
– Weather radar calibration, GPWS/EGPWS, TAWS testing.
– Flight Data Recorder (FDR) and Cockpit Voice Recorder (CVR) data download and analysis.

4. Flight Control & Monitoring Avionics

– Autopilot/Flight Director system troubleshooting and BITE checks.
– EFIS displays, PFD/ND functional verification, and annunciator panel logic testing.
– Stall warning, stick shaker/pusher, and yaw damper system calibration.

5. Electrical & Instrumentation

– Generator control units (GCU) inspection, CB monitoring, and load distribution checks.
– Pitot-static system leak testing, Air Data Computer (ADC) validation.
– Standby instruments calibration and backup power systems verification.

6. Data & Software Management

– Avionics LRU software part number management and controlled loading.
– Onboard Maintenance System (OMS) fault log retrieval and analysis.
– Cybersecurity compliance and secure update handling.

7. Power & Sensors

– Maintenance of TAT probes, AOA vanes, pitot/static probes, and pressure sensors.
– Sensor heating element testing and anti-ice protection verification.
– Integration testing with flight control computers.

8. Cabin & Passenger Avionics

– IFE (In-Flight Entertainment) system health checks and server updates.
– Cabin Wi-Fi and connectivity system troubleshooting.
– Cabin environmental and lighting control integration tests.

Compliance & Quality

All avionics maintenance is carried out with OEM data (AMM, CMM, SB, AD/SB compliance), and fully documented under Global Jet MRO’s Part-145 release authority. Continuous calibration, reliability monitoring, and trend analysis ensure aircraft remain operationally safe, cost-efficient, and compliant with evolving airspace regulations.