Narrative:

[I had an] in-flight emergency. Exhaust directly entered cabin due to opening of fuselage floor pan directly behind exhaust pipes. Extreme heat and exhaust entered cabin causing a rapid degrading of cockpit conditions. Mayday called. [I] informed responders that landing will be made at closest airport.

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Original NASA ASRS Text

Title: Pilot of an experimental aircraft reported declaring an emergency and diverting to nearest suitable airport when extreme heat and exhaust began entering cockpit from an opening in the fuselage floor pan.

Narrative: [I had an] in-flight emergency. Exhaust directly entered cabin due to opening of fuselage floor pan directly behind exhaust pipes. Extreme heat and exhaust entered cabin causing a rapid degrading of cockpit conditions. Mayday called. [I] informed responders that landing will be made at closest airport.

Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.