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ASN Wikibase Occurrence # 45527
Last updated: 29 April 2020
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Date:14-JUN-2002
Time:20:35
Type:Silhouette image of generic PA46 model; specific model in this crash may look slightly different
Piper PA-46-310P Malibu
Owner/operator:Private
Registration: N9143B
C/n / msn: 4608134
Fatalities:Fatalities: 3 / Occupants: 3
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Osteen, FL -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:Raleigh, FL (KRDU)
Destination airport:Marco Island, FL (MKY)
Investigating agency: NTSB
Narrative:
The pilot of N9143B had asked the controller if he could deviate about 12 miles west, because he thought he saw "a hole" in the weather. The radar ground track plot showed the pilot had observed a 3 to 5 mile gap between two thunderstorm clusters and attempted to fly through an area of light radar echoes between the two large areas of heavier echoes. N9143B departed level flight, and radar showed that a cluster of thunderstorms, level three to four were present in the vicinity of N9143B's ground track position. Radar data showed that N9143B started an uncontrolled descent from FL260 (about 27,500 feet msl). Witnesses reported hearing the engine make a winding noise, then observed the airplane come out of the clouds about 300 feet above the ground, in a nose low spiral, and the right wing was missing. The right wing was not found at the crash site, but was located 1.62 miles from the main wreckage. The pilot of N9143B had requested and received a weather briefing. He was advised that the weather data indicated that an area forecast for his route of flight predicted thunderstorm activity and cumulonimbus clouds with tops as high as FL450 (flight level 45,000 feet), and a weather system impacting the Florida Gulf Coast, consisted of "looming thunderstorms" in that area. The pilot had contacted the Enroute Flight Advisory Service (EFAS, commonly known as "Flight Watch") for enroute weather advisories, and advised of "cells" east of St. Augustine, advised of convective SIGMET 05E in effect for southern Florida, and was advised that a routing toward the Tampa/St. Petersburg area and then southward, would avoid an area of thunderstorms.
Probable Cause: the pilot's inadequate weather evaluation and his failure to maintain control of the airplane after entering an area of thunderstorms resulting in an in-flight separation of the right wing and right horizontal stabilizer and impact with the ground during an uncontrolled descent.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20020619X00932&key=1


Revision history:

Date/timeContributorUpdates
28-Oct-2008 00:45 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
09-Dec-2017 16:49 ASN Update Bot Updated [Source, Narrative]

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