Colorado Aviation Accidents & Incidents

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2310 Total Accidents 425 Fatal 816 Fatalities 1982-2026
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BENNETT, Colorado

May 1, 1991 · NTSB DEN91FA065 · PIPER PA-31B-310 (N7407L)
1 Fatal
Note: This analysis may be based on NTSB preliminary reports, which represent an initial, incomplete investigation. Facts can change as the investigation progresses, and preliminary findings should not be assumed to be accurate or final. For older events, a final NTSB report may have been issued — always consult the NTSB Aviation Query for the authoritative record.

NTSB Narrative

IN-FLIGHT SEPARATION OF THE LEFT ENGINE COWL ASSEMBLY THAT WAS NOT PROPERLY LATCHED, AND FAILURE OF THE PILOT TO MAINTAIN MINIMUM CONTROL SPEED, WHICH RESULTED IN HIS LOSS OF AIRCRAFT CONTROL. FACTORS RELATED TO THE ACCIDENT WERE: AN INADEQUATE PREFLIGHT INSPECTION, INADEQUATE MARKINGS/ALIGNMENT INDICATIONS TO ASSURE THAT THE COWL FASTENERS WERE LOCKED, AND AN INSUFFICIENTLY DEFINED PROCEDURE IN THE FLIGHT MANUAL FOR CHECKING THE COWL FASTENERS.

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Details

NTSB ReportDEN91FA065
AircraftPIPER PA-31B-310
RegistrationN7407L
DamageDEST
FAR Part091
Location39.7398, -104.7807
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