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Charlotte Bailey

The UK’s Facility for Airborne Atmospheric Measurements (FAAM) Airborne Laboratory—a specially modified BAe 146 aircraft—has officially come to the end of its scientific research service. This follows a <a href="https://www.ainonline.com/aviation-news/futureflight/2026-03-02/funding-pulled-uks-faam-airborne-laboratory">sudden announcement</a> in February that its financial support, provided by the National Environment Research Council (NERC) via the UK public body UK Research and Innovation (UKRI), was to be withdrawn. 
NERC told AIN that around £38 million ($51 million) of a £49 million mid-life upgrade (MLU) —due to be completed in 2027—had already been spent. NERC believes that, “regrettably, much of this [investment] will no longer provide useful capabilities for the future.” The MLU had aimed to keep the unique facility operational until at least 2040.
Managed by the National Centre for Atmospheric Science (NCAS), the FAAM Airborne Laboratory has carried out science campaigns for over two decades in over 30 different countries and five continents. According to the UKRI, a mix of autonomous technology, land-based capabilities and remote sensing equipment will fulfil future research requirements. However, some people within the scientific community have challenged the short to mid-term feasibility of these alternatives. &nbsp;
<h2>Mid-life Upgrade Impacts Operating Hours &nbsp;</h2>
A mid-life upgrade to the four-engined jet (tail number G-LUXE), which was initiated in 2021 and was on track for completion in 2027, would have seen the platform operational for at least another 15 years. Speaking to AIN, NERC spokesperson Harriett Richardson confirmed the scope of work already undertaken. 
This work included sourcing and deploying new scientific instruments, as well as the acquisition of a spare engine, replacement landing gear, and the upgrade of various onboard systems. Significant infrastructure modifications were in place for 2026, with range of suppliers already contracted. &nbsp;
In a statement, UKRI argued that the aircraft “no longer offers value for money for the public because of a significant increase in costs and low planned utilization.” Although upgrade work had limited the aircraft’s overall flying hours, including grounding it for 2026, full operations were set to resume in 2027. These encompassed six confirmed science projects alongside 14 further applications being processed, including a partnership agreement with the European Space Agency (ESA) to validate satellite technology. 
“In recent years, the research aircraft took to the skies to monitor aviation fuel emissions, monitor harmful air pollutants over central England, verify observations made by the [ESA] EarthCARE satellite, improve summer storm predictions, detect changes in the North Atlantic marine environment, measure methane emissions from Scottish wetlands and oil-gas platforms, and detect how alpine environments affect weather forecasts,” concluded Richardson. 
<h2>Assessing Future Capabilities</h2>
Some stakeholders within the environmental science community have challenged the feasibility of the UKRI’s belief that alternative technologies can fill the gap left by the FAAM aircraft’s decommissioning. The BAe 146-301 was able to carry four tonnes of instrumentation on flights of up to six hours in duration and up to 2,000 nm, with many missions requiring the highly targeted deployment of sophisticated scientific payloads.
NCAS was already working on “long term plans for retirement of the FAAM aircraft, in perhaps 10-15 years,” Richarson explained. However, “our industry colleagues emphasize that not only will this be impossible on a shorter timescale, but it will also require investment of many billions of pounds,” she concluded. “UKRI, and the wider technology and industry, will also lose the ability to validate these autonomous technologies.” 
A Royal Meteorological Society statement also noted that “airborne measurement is not solely a research tool: it is a national contingency asset.” It added that “critically, without aircraft-based observations, the UK would lose its ability to properly calibrate and validate the very drone and satellite systems intended to replace it.” 
A&nbsp; response to a Freedom of Information Request submitted to the UKRI, seen by AIN, did not address details of the metrics “by which it was determined that FAAM no longer offers value for money” or future budget allocations for subsequent capabilities.

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