The following is an excerpt from official NTSB summaries of general aviation accidents in the United States.
On the Record: Cessna 421B
Key Takeaways:
- The Cessna 421B experienced a total loss of engine power and a subsequent forced landing after being mistakenly serviced with Jet A fuel instead of the required 100LL aviation fuel.
- Contributing factors included an FBO employee's error in fueling, the use of a smaller, non-standard Jet A fuel nozzle that increased the likelihood of misfueling, and the aircraft's non-compliance with an Airworthiness Directive requiring fuel filler restrictors.
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