Steiner Aviation is expanding its maintenance, repair, and overhaul (MRO) and interior refurbishment capabilities specifically to serve operators of the Embraer ERJ-135 and ERJ-145 family of regional jets, a development that signals continued commercial demand for specialized facility capacity serving these widely-operated platforms. While the full scope of the expansion — including specific hangar square footage, new tooling, or workforce additions — was not detailed in the available article text, the publication in *Business Jet Interiors* indicates the expansion has meaningful relevance to the VIP completion, refurbishment, and executive charter segments, not solely the regional airline MRO market.
The ERJ-135 and ERJ-145 family remains one of the most prevalent regional jet types globally, with hundreds of airframes operating across Part 121 regional carriers, Part 135 charter operators, government and special mission users, and executive VIP configurations. The ERJ-145 platform in particular shares a close lineage with Embraer's Legacy 600 and Legacy 650 business jets, meaning interior completions work on these types often overlaps with high-end corporate aviation standards. For operators managing aging interiors on these platforms — many of which entered service in the late 1990s and early 2000s — access to qualified completion and refurbishment facilities is a persistent logistical challenge, particularly in Europe where slot availability at capable shops can be constrained.
Facility expansions of this nature typically reflect actual or anticipated workload growth, and in the case of the ERJ-135/145 family, that growth is being driven by several converging forces. A large installed base of aging airframes is reaching interior lifecycle replacement thresholds simultaneously. Simultaneously, the secondary market for these aircraft remains active, with buyers frequently requiring refurbishment before redeployment in charter or corporate roles. Charter operators under Part 135 and their international equivalents face passenger expectation pressure to maintain cabin quality competitive with newer platforms, making interior upgrades a competitive necessity rather than a discretionary expenditure.
For pilots and flight departments operating ERJ-135 or ERJ-145 variants — whether in regional airline, corporate shuttle, or charter configurations — expanded facility capacity translates to improved scheduling flexibility, potentially shorter aircraft-on-ground times during interior work, and access to shops with type-specific expertise that reduces the engineering and certification risk associated with STC-governed interior modifications. Operators in Europe especially have had limited options for deep interior work on these types outside of OEM-adjacent facilities, and a capacity expansion by a specialist provider addresses a genuine market gap.
The broader trend reflected in this development is the increasing bifurcation of the MRO and completion market, where generalist facilities are losing share to type-specialized shops that can offer faster turn times, deeper parts inventories, and engineering expertise specific to a given platform. For the ERJ-135/145 community, which spans commercial, government, and business aviation users, that specialization is particularly valuable given the type's mixed operating environments and the complexity of maintaining cabin configurations that vary substantially between operators. Steiner Aviation's expansion positions it to capture a growing share of that specialized demand as the global ERJ-135/145 fleet continues to age into heavy refurbishment cycles.