Can India develop an integrated avionics suite for commercial aircraft?

The world's third-largest aviation market does not manufacture the software that flies its planes. As of 2026, India's commercial aviation avionics are 100 per cent imported. The HAL Hindustan-228, the country's only commercially certified, domestically manufactured aircraft, flies on a foreign Honeywell Garrett TPE331 engine and certified foreign avionics. There is no indigenous alternative.

An integrated avionics suite is the aircraft's nervous system: the mission computer, flight control computers, air data computers, navigation and attitude reference, cockpit displays and warning systems, all working as one certified whole. The difficulty is not any single box. It is integration under safety certification — DO-178C for software, DO-254 for hardware — where every line of code and every failure mode must be provably accounted for. Only a handful of nations do this: the United States, France, Canada, Germany and Israel.

India has built the pieces, but in the military domain. DRDO's laboratories — ADA, ADE, CSIO and CASDIC — designed the Digital Flight Control Computers, Air Data Computers, Weapon Computers and Radar Warning Receiver LRUs for the Tejas Mk1A; in the biggest avionics order of its kind, BEL received ₹2,400 crore from HAL to manufacture 20 types of these airborne systems between 2023 and 2028. HAL and DRDO jointly built an indigenous Mission Computer with open architecture for the Tejas MK-2, alongside a digital quadruplex fly-by-wire system, glass cockpit displays, and a 100 per cent Indian-made electronic warfare suite from DRDO's Defence Avionics Research Establishment. These are real, demonstrated subsystems.

The gap persists because none of this is a commercial-certified, integrated suite. Military avionics answer to military airworthiness authorities; civilian aircraft answer to a different, unforgiving certification regime. The foundational capabilities beneath a commercial suite — mission-critical software architecture, and the DO-254/DO-178C certification pathway itself — remain at an emerging stage in India. Subsystem mastery does not automatically become integration mastery, and integration is where the certification cost concentrates.

The demand is not in doubt. Air India has 570 aircraft on order, IndiGo 920 — the largest single-airline backlog in the world — and Akasa Air 226, roughly 1,716 aircraft in all, committing India to imported avionics for decades on current trajectory.

What it would take is the harder half of the work already begun: carrying demonstrated military subsystems through civilian certification, and building the software architecture and certification capability that lets separate boxes become one trusted, integrated system.