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ASN Wikibase Occurrence # 37751
Last updated: 18 October 2019
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Date:11-JAN-1991
Time:14:27
Type:Silhouette image of generic M20P model; specific model in this crash may look slightly different
Mooney M20F
Owner/operator:private
Registration: N6858V
C/n / msn: 22-1251
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Pageland, SC -   United States of America
Phase: En route
Nature:Private
Departure airport:Monroe, NC (EQY)
Destination airport:Grand Strand, SC (CRE)
Investigating agency: NTSB
Narrative:
AFTER DEPARTING ON AN INSTRUMENT FLIGHT, THE PILOT REPORTED A SYSTEM PROBLEM AND REQUESTED CLEARANCE BACK TO THE DEPARTURE AIRPORT. SOON THEREAFTER, THE PILOT DECLARED AN EMERGENCY BECAUSE HE WAS EXPERIENCING A GYRO PROBLEM. NO FURTHER COMMUNICATION WAS RECEIVED FROM N6858V. INSTRUMENT WEATHER CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT. WITNESSES HEARD THE AIRPLANE FLYING IN CLOUDS BEFORE IT CRASHED. REPORTEDLY, IT MADE AN 'S' TURN, THEN IT WAS OBSERVED BELOW THE CLOUDS, SECONDS BEFORE IMPACT. THE AIRPLANE WAS EXTENSIVELY DAMAGED DURING IMPACT. AN EXAM OF THE FLIGHT CONTROLS FAILED TO DISCLOSE ANY OBVIOUS MALFUNCTION OR CONTROL FAILURE. EXAMINATION OF THE ELECTRICAL COMPONENTS AND VACUUM SYSTEM COMPONENTS FAILED TO INDICATE A MECHANICAL PROBLEM. BOTH GYROS SHOWED SIGNS OF ROTATION, AND THE VACUUM PUMP SUSTAINED IMPACT DAMAGE. A LOW LEVEL OF ETHANOL WAS DETECTED IN THE PILOT'S LIVER TISSUE, BUT NONE WAS FOUND IN KIDNEY TISSUE. CAUSE: FAILURE OF THE PILOT TO MAINTAIN CONTROL OF THE AIRCRAFT, DUE TO SPATIAL DISORIENTATION. FACTORS RELATED TO THE ACCIDENT WERE: THE WEATHER CONDITIONS AND THE MALFUNCTION OF A GYRO INSTRUMENT (PROBABLY THE ATTITUDE INDICATOR).

Sources:

NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X16255_


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:23 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
27-Dec-2018 18:08 BEAVERSPOTTER Updated [Cn]

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