AVIATION DEVICES Aviation engines monitoring and diagnostics Standby engine indicator Onboard Main engine monitoring and diagnostic units Main engine monitoring and diagnostic units APU engine monitoring and diagnostics units APU life counter Fuel measuring Water detector Refuel control panels Components of additional fuel system Fire protection Fire protection system for trunk aircraft Fire protection system for light aircraft, helicopters and pilotless Monitoring and control unit Fire detectors Smoke detectors Nozzles Antiicing system Ice detection Maintenance equipment Onboard Maintenance Computer Land panel