NTSB Identification: DEN87FA178.
The docket is stored on NTSB microfiche number 34836.
Accident occurred Saturday, July 11, 1987 in HAYDEN, CO
Probable Cause Approval Date: 10/07/1988
Aircraft: PIPER PA-24-250, registration: N7858P
Injuries: 3 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 PLT AND TWO PAX WERE PARTICIPATING IN THE DENVER, CO TO JACKPOT, NV AIR CLASSIC. THE ACFT DEPARTED, DESTINED FOR ROCK SPRINGS, WY. THE PLT WAS BELIEVED BY A FRIEND TO HAVE BEEN NAVIGATING WITH THE USE OF A RECENTLY INSTALLED RNAV SYSTEM. THE PLT RADIOED A FRIEND FLYING IN THE CLASSIC THAT HE HAD ENCOUNTERED 'HEAVY RAIN' IN THE HAYDEN AREA. WITNESSES STATED THE HIGH TERRAIN WAS OBSCURED BY CLOUDS. THERE WAS NO EVIDENCE OF PRE-IMPACT MECH MALFUNCTION OF ACFT.

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

VFR FLIGHT INTO IMC..INTENTIONAL..PILOT IN COMMAND


Contributing Factors

IN-FLIGHT PLANNING/DECISION..POOR..PILOT IN COMMAND


Contributing Factors

SELF-INDUCED PRESSURE..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..OBSCURATION


Contributing Factors

WEATHER CONDITION..RAIN

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