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Commemorative Air Force Updates on FIFI B-29 Superfortress Engine Repairs

June 5, 2025By ePlane AI
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Commemorative Air Force Updates on FIFI B-29 Superfortress Engine Repairs
Commemorative Air Force
B-29 Superfortress
Engine Repairs

Commemorative Air Force Updates on FIFI B-29 Superfortress Engine Repairs

The Commemorative Air Force (CAF) has provided a detailed update on the ongoing restoration of FIFI, the historic B-29 Superfortress and one of only two airworthy examples remaining worldwide. Earlier this year, the CAF postponed the 2025 AirPower History Tour after identifying a critical engine issue that grounded the iconic aircraft, prompting an urgent and complex repair effort.

Challenges in Restoring a Vintage Warbird

The restoration of FIFI’s Curtiss-Wright R-3350 engines underscores the unique difficulties involved in maintaining vintage warbirds. The process demands not only specialized technical expertise but also the sourcing of rare components and strict adherence to historical accuracy. These challenges highlight the dedication of the CAF’s volunteers and maintenance crews, whose work extends beyond routine maintenance to preserving a living piece of aviation history.

In April, routine pre-flight inspections uncovered a malfunction in the impeller spinner discharge valve, a small yet essential component of the supercharger system. Following consultations with specialists, the CAF determined that engines number two and four required immediate removal and repair. The B-29/B-24 Squadron’s maintenance team responded swiftly, removing and shipping both engines to California within three and a half days.

Progress and Support for the Restoration

Repairs are currently underway at Vintage Radials, under the supervision of renowned engine expert Mike Nixon. The valve systems are being meticulously rebuilt and tested to meet manufacturer specifications, with each engine scheduled for rigorous test runs prior to reinstallation on FIFI.

Matthew Hood, Maintenance Officer for the B-29/B-24 Squadron, expressed pride in the team’s professionalism, emphasizing the reverence with which they treat the aircraft. “Every inspection and repair reflects deep respect for the aircraft and her legacy,” Hood stated.

While the restoration has received strong support from aviation enthusiasts and historians, the financial and logistical demands remain considerable. To address these challenges, the CAF has launched a fundraising campaign aimed at covering costs and ensuring FIFI’s timely return to flight. The project has been met with positive reactions within the preservation community, although some in the commercial aviation sector regard it as a highly specialized endeavor. Several other aviation preservation organizations have expressed interest in collaboration, reflecting a shared commitment to safeguarding aviation heritage.

Jeremy Lashbrook, B-29/B-24 Squadron Leader, highlighted the responsibility involved in maintaining FIFI. “Flying an aircraft like FIFI is a huge responsibility that requires time, resources, and unwavering dedication,” he said. “We couldn’t keep her flying without the passionate support of our fans who believe in preserving the legacy of the Greatest Generation.”

Supporters can contribute to the restoration and track progress through the CAF’s fundraising platform. The organization will continue to provide updates via email and social media as repairs advance, with the goal of returning FIFI to the skies to honor its legacy and inspire future generations.

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