NTSB Identification: DEN87FA188.
The docket is stored on NTSB microfiche number 34946.
Accident occurred Saturday, July 18, 1987 in COALDALE, CO
Probable Cause Approval Date: 04/24/1989
Aircraft: CESSNA 210, registration: N7444E
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE ATP RATED PILOT WAS AN AIRLINE CAPTAIN ON A BOEING 727 AIRCRAFT. HOWEVER, THE PILOT HAD ACCUMULATED A TOTAL OF ONLY 140 HOURS IN SINGLE ENGINE AIRCRAFT WITH 20 HOURS IN THE CESSNA 210. MODERATE TO SEVERE TURBULENCE HAD BEEN FORECAST AND REPORTED IN THE ACCIDENT AREA. WITNESSES OBSERVED THE AIRCRAFT DESCEND IN A NOSE LOW ATTITUDE WITH A PORTION OF THE LEFT WING MISSING. A 5-FOOT SECTION OF THE LEFT WING WAS FOUND ONE-HALF MILE FROM THE MAIN WRECKAGE. POSTCRASH EXAMINATION REVEALED EVIDENCE INDICATIVE OF AERODYNAMIC OVERLOAD; HOWEVER, NO EVIDENCE EXISTED OF PRE-EXISTING FATIGUE OR CORROSION.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

WEATHER CONDITION..TURBULENCE,CLEAR AIR

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

DESIGN STRESS LIMITS OF AIRCRAFT..EXCEEDED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

AIRSPEED(VA)..EXCEEDED..PILOT IN COMMAND


Contributing Factors

WING,SPAR..OVERLOAD


Contributing Factors

WING,SPAR..FAILURE,TOTAL


Contributing Factors

WEATHER CONDITION..UPDRAFT


Contributing Factors

WEATHER CONDITION..DOWNDRAFT

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