OGMA, Sweden’s Four C-390s and the Quiet Portuguese MRO Base for Nordic Military Aviation

While the Saab Gripen E narrative has dominated Portuguese coverage of the Nordic-Iberian defence corridor, a quieter and more concrete story is unfolding 30 kilometres north of Lisbon. OGMA – Indústria Aeronáutica de Portugal, the Embraer-controlled aerospace company at the Alverca Aeronautical Park, is now formally certified to perform maintenance services on the Embraer C-390 Millennium for the period January 1, 2026 to January 1, 2027. Combined with Sweden’s four-aircraft C-390 order signed on October 6, 2025, that certification turns Alverca into the natural European MRO node for one of the Nordic region’s most strategic new airlift platforms.

Sweden’s contract with Embraer covers four C-390s plus options for seven additional aircraft, signed as part of a joint European procurement framework. The aircraft replace Sweden’s ageing C-130H Hercules fleet and give the Swedish Air Force a tactical airlifter that has already been demonstrated in Arctic conditions: Embraer ran cold-weather validation flights at Sweden’s Vidsel Test Range, confirming the platform’s capability for distributed airlift across NATO’s northern flank.

Why Alverca matters

OGMA’s relationship with the C-390 is older and deeper than the maintenance certificate alone. Since 2013 the Portuguese firm has been part of the C-390 industrial programme, manufacturing central fuselage sections, fairings, metallic alloys, composite materials and elevons. Embraer holds a 65% stake in OGMA; the Portuguese state retains the remaining 35%. That ownership structure means OGMA is not a third-party MRO bidding for work — it is part of the OEM’s industrial spine, with privileged access to engineering data, tooling and configuration baselines.

The Sweden order arrives on top of an already lengthening Portuguese sustainment book. OGMA’s contract with Embraer was amended as recently as September 2025 to include a sixth aircraft for the Portuguese Air Force along with ten purchase options configured for NATO-aligned customers. For Sweden, that means Alverca will already be running C-390 lines for multiple European operators by the time the first Swedish aircraft is delivered.

EMAR 145 and the Sweden link

OGMA is one of the EMAR 145 pioneers within Europe’s military airworthiness framework. Its Part 145 approvals span Portuguese, French and Swedish military authorities — meaning the regulatory plumbing for Swedish-flagged C-390 maintenance at Alverca is already in place. That matters in practice. NATO-aligned operators do not move heavy maintenance work to a foreign facility unless the home authority accepts the receiving organisation’s certifications. Sweden’s Försvarets materielverk (FMV) recognising OGMA in advance compresses years of bureaucratic onboarding.

The C-390 itself is a more European aircraft than its Brazilian heritage suggests. Beyond Sweden and Portugal, the platform is now in service or on order with the Czech Republic, Hungary, the Netherlands, Austria, Slovakia and Lithuania. That cluster of European customers, all sharing a common type certificate, is exactly the kind of fleet density that makes a centralised MRO hub commercially viable. Alverca’s competitor, in practical terms, is Embraer’s own Gávia line in Brazil — geographically inconvenient for Nordic and Central European operators trying to keep aircraft flying.

The wider Nordic angle

This is the second concrete Nordic-Portuguese aerospace thread to emerge in 2026. The first — covered earlier this month — is Saab’s Memorandum of Understanding with OGMA and Critical Software, in which Daniel Boestad, Vice President and Head of Saab’s Gripen Business Unit, named OGMA as the candidate for local Gripen E component production should Portugal select the aircraft to replace its F-16 fleet. Read together, the two threads mean Alverca is being positioned as the Iberian end of a Nordic defence supply chain: Embraer-owned, state-backed, and with regulatory recognition from both Stockholm and Lisbon.

For Nordic defence planners, Portugal’s value proposition is increasingly clear. Lower labour costs than Northern Europe, deep aerospace engineering bench, accelerated NATO alignment under the SAFE financing instrument, and a willingness to host industrial offset packages on the same model Embraer pioneered with the Brazilian Air Force. For Portuguese policymakers, the C-390 sustainment work is among the most tangible “reverse offset” gains the country has secured from a defence platform — revenue flowing in rather than out.

What to watch

Three near-term signals will tell whether the Sweden-OGMA thread becomes a sustained programme or remains a regulatory curiosity. First, the timing of FMV’s formal selection of MRO providers ahead of the Swedish C-390 entry into service. Second, whether OGMA’s C-390 type certificate is renewed before the January 2027 expiry — a routine renewal in normal cases, but a public marker of OEM commitment to the Alverca line. Third, any expansion of OGMA’s C-390 scope from airframe-level work into engine, avionics or simulator support. Each of those increments deepens the lock-in between Sweden’s new airlift fleet and Portugal’s industrial capacity.

The headline news of the year remains the Gripen campaign. The structural news, increasingly, is what is happening underneath it: a steady operational integration of Portuguese aerospace MRO into the Nordic military supply chain — built on platforms already chosen, contracts already signed, and certifications already issued.