Event Brief
F-16 crash at Nellis released hydrazine cloud
By The BriefBrief · Sources (1)
Filed: Sep 23, 2026 at 7:00 PM ET
Summary: In 1982, during the last Red Flag exercise to fly an Avro Vulcan, an F-16 crashed at Nellis Air Force Base in Nevada and the pilot ejected. Hydrazine from the jet’s emergency power unit released a toxic cloud over the ramp, and air traffic told RAF Vulcan crews to stay sealed inside until it cleared. No one was hurt.
WHO: US Air Force and RAF Vulcan crews
WHAT: An F-16 crash at Nellis released hydrazine from its emergency power unit, trapping an RAF Vulcan crew inside until the toxic cloud cleared.
WHEN: 1982
WHERE: Nellis Air Force Base, Nevada
WHY: Hydrazine released from the F-16’s emergency power unit created a toxic cloud over the ramp, requiring crews to remain sealed inside until it cleared.
How this brief is built: The BriefBrief uses multi-source information fusion to correlate reporting across sources, identify related developments, and continuously update a structured WHO, WHAT, WHEN, WHERE and WHY event picture. Pattern arcs, source analysis, and velocity indicators provide deeper analysis in our MI Console.
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