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ASN Wikibase Occurrence # 36809
Last updated: 15 May 2020
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Date:06-FEB-1990
Time:15:48
Type:Silhouette image of generic PA46 model; specific model in this crash may look slightly different
Piper PA-46-350P Malibu Mirage
Owner/operator:private
Registration: N8888M
C/n / msn: 46-22091
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Bakersfield, CA -   United States of America
Phase: En route
Nature:Executive
Departure airport:Porterville, CA (PTV)
Destination airport:Redlands, CA (L12)
Investigating agency: NTSB
Narrative:
BFR TKOF, PLT WAS ADZ OF IFR CONDS ALONG 1ST PART OF ROUTE, WITH FLT PRCTNS FOR OCNL MOD TURBC BLO 15,000' & MIXED ICG FM FRZG LVL (6000') TO 18,000'. HE FILED IFR FLT PLAN WITH CRUISE ALT OF 11,000'. DRG DEP, PLT WAS CLRD TO CLIMB TO 9000' & TOLD TO EXPECT CLNC TO 11,000', 5 MIN LTR . RADAR DATA SHOWED, ACFT CLIMBED AT ABT 1500'/MIN & 100 KTS, SLOWING SLIGHTLY ABV 8000'. AT ABT 9000', ACFT STARTED TO LVL & ACCELERATE. IT THEN CLIMBED MOMENTARILY, DEVIATED LATERALLY FM COURSE & ENTERED STEEP DSCNT. IN-FLT BREAKUP OCCURRED & WRECKAGE WAS SCATTERED over 4100' AREA. TRAJECTORY STUDY SHOWED BREAKUP OCCURRED BTN 4500' & 6500' AS ACFT WAS IN STEEP DSCNT IN EXCESS OF 266 KTS. METALLURGICAL EXAM OF WINGS & STA- BILIZERS REVEALED FEATURES TYPICAL OF OVERSTRESS SEPN; NO PREEXISTING CRACKS OR DEFECTS WERE FND. THE ACFT WAS RECENTLY PURCHASED. PLT'S SON INDCD PRINCIPAL PRBLM WAS 'TWENTY YEAR LEAP IN TECHNOLOGY' FM PREVIOUSLY OWNED PA-24, THAT PLT HAD DIFFICULTY WITH AVIONICS & FLT DRCTR/AUTOPLT, & THAT HE LACKED DETAIL TRNG IN AUTOPLT EMERGENCIES. (SEE:NTSB/SIR-92/03) CAUSE: THE PILOT'S FAILURE TO ACTIVATE THE PITOT HEAT BEFORE FLYING AT AND ABOVE THE FREEZING LEVEL IN INSTRUMENT METEOROLOGICAL CONDITIONS (IMC), FOLLOWED BY HIS IMPROPER RESPONSE TO ERRONEOUS AIRSPEED INDICATIONS THAT RESULTED FROM BLOCKAGE OF THE PITOT TUBE BY ATMOSPHERIC ICING. CONTRIBUTING TO THE ACCIDENT WAS SPATIAL DISORIENTATION OF THE PILOT.

Sources:

NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X22579


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]

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