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ASN Wikibase Occurrence # 41837
Last updated: 17 February 2020
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Date:07-DEC-1992
Time:06:12
Type:Silhouette image of generic C177 model; specific model in this crash may look slightly different
Cessna 177B
Owner/operator:private
Registration: N11889
C/n / msn: 17702379
Fatalities:Fatalities: 1 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Kansas City, MO -   United States of America
Phase: Approach
Nature:Private
Departure airport:Belleville, KS (RPB)
Destination airport:
Investigating agency: NTSB
Narrative:
EN ROUTE TO HIS DESTINATION, DURING LEVEL FLIGHT AT 9,000 FT, THE PILOT ADVISED ATC THAT HIS GYRO WAS INOPERATIVE. WHEN ASKED IF HE WOULD NEED ANY SPECIAL ASSISTANCE AT HIS DESTINATION, HE DECLINED. DURING THE ILS APPROACH HE WAS ISSUED A NEW VISIBILITY OF 1/4 MILE. HE SUBSEQUENTLY EXECUTED A MISSED APPROACH, AND WAS INSTRUCTED TO CLIMB AND MAINTAIN 2,500 FT FOR NO-GYRO VECTORS. THE AIRPLANE IMPACTED RISING TERRAIN 1/4 MILE FROM THE DEPARTURE END OF THE ILS RUNWAY. EXAM OF THE VACUUM PUMP REVEALED THAT THE ROTOR WAS BROKEN; ONE VANE WAS BROKEN, AND TWO PIECES WERE WEDGED IN ONE VANE SLOT. THE ROTOR ASSEMBLY WOULD NOT ROTATE. THE PILOT'S TOXICOLOGICAL RESULTS SHOWED 33.500 UG/ML OF ACETAMINOPHEN IN THE URINE, ALONG WITH DIPHENHYDRAMINE. THIS COMBINATION IS FOUND IN COMMON NON-PRESCRIPTION DRUGS SUCH AS 'BUFFRIN AF NITE TIME' AND 'EXCEDRIN P.M.' CAUSE: THE PILOT-IN-COMMAND'S FAILURE TO MAINTAIN A POSITIVE RATE OF CLIMB DURING A MISSED APPROACH. FACTORS WHICH CONTRIBUTED TO THE ACCIDENT WERE: INOPERATIVE GYRO INSTRUMENTS DUE TO A BROKEN VACUUM PUMP, THE DARK NIGHT, ADVERSE WEATHER CONDITIONS, AND RISING TERRAIN.

Sources:

NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001211X16130


Revision history:

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

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