Nidān
निदानdiagnosis — Predictive Maintenance by Ear
What if a helicopter could tell you its gearbox was failing — days before the sortie it would have failed on?
An aircraft fault found in the air is a catastrophe; found a schedule too late, it grounds the fleet — and crews can't hear it coming.
The situation
A forward airbase, before first light
A clip-on sensor has been listening to a helicopter's gearbox for weeks. It hears a bearing begin to go — a change no crew chief could catch yet — and flags it the evening before the mission. The aircraft is fixed on the ground, not lost in the air.
How it plays out
Step by step
- 01
It listens
A cheap vibration sensor learns the healthy signature of the engine, gearbox or rotor.
- 02
It hears the change
A failing bearing or cracking gear shifts that signature long before it fails.
- 03
It warns before the sortie
The fault is flagged with days to spare — not after an inspection interval, and not in the air.
- 04
The aircraft flies safe
Maintenance happens on the ground, on the crew's terms — no grounding the fleet, no losing a crew.
The system itself
Under the bonnet
Reads the vibration and acoustic signature of a platform's machinery and catches a fault — a worn bearing, a failing turbine, a cracked gear — while there is still time to act. A clip-on microphone or accelerometer is the only new hardware.
What it means for you
The bottom line
- ▸Catches faults days before they fail
- ▸The only new kit is a low-cost sensor
- ▸Runs on the aircraft — no telemetry uplink
- ▸Saves the sortie, the airframe and the crew
A different use case?
This is one capability; the engine under it is general. If your problem looks different — in any industry, not only defence — we build the tool for it: the same on-device, training-free, auditable RSN approach, scoped to your domain and proven in a bounded pilot. Tell us what you need →