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ASN Wikibase Occurrence # 168608
Last updated: 8 April 2019
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Type:Silhouette image of generic P32R model; specific model in this crash may look slightly different
Piper PA-32R-300 Cherokee Lance
Registration: N4646F
C/n / msn: 32R-7680471
Fatalities:Fatalities: 0 / Occupants: 3
Aircraft damage: Written off (damaged beyond repair)
Location:0.5nm S of South Valley Regional Airport (U42), Salt Lake City, UT -   United States of America
Phase: Take off
Departure airport:West Jordan, UT (U42)
Destination airport:Boise, ID
Investigating agency: NTSB
Witnesses located adjacent to the accident site reported that they observed the airplane depart, and that, as it was climbing, they heard the pilot state, “emergency,” several times on the airport’s common traffic advisory frequency; however, the pilot did not specify the nature of the emergency. The airplane subsequently struck a light post and then landed in an open soccer field south of the airport, and a postimpact fire ensued. Other witnesses located at the airport reported that the engine seemed to be backfiring throughout the entire takeoff and accident sequence. The pilot reported that he recalled the initial takeoff sequence and making the distress call; however, he did not recall the nature of the emergency or the accident sequence.
Postaccident examination of the airplane, flight control systems, engine, and propeller revealed no evidence of any preimpact mechanical malfunctions. Review of the airplane manufacturer’s takeoff performance charts revealed that, at the time of the accident, the weather and environmental conditions were within the airplane’s takeoff performance limitations. Given that the witnesses reported that the engine was backfiring and that the pilot declared an emergency, it is likely that the engine experienced a partial loss of power during initial climb. Due to the severity of the damage to the engine, the reason for the loss of power could not be determined.

Probable Cause: A partial loss of engine power during initial climb for reasons that could not be determined due to the severity of the damage to the engine.



Revision history:

10-Aug-2014 15:54 gerard57 Added
10-Aug-2014 17:11 harro Updated [Time, Total fatalities, Total occupants, Other fatalities, Location, Source, Narrative]
10-Aug-2014 19:15 Geno Updated [Location, Phase, Departure airport, Source]
11-Aug-2014 03:43 Geno Updated [Aircraft type, Registration, Cn, Source, Narrative]
20-Aug-2014 10:05 Aerossurance Updated [Time, Registration, Location, Departure airport, Destination airport, Source, Narrative]
21-Dec-2016 19:28 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
30-Nov-2017 19:01 ASN Update Bot Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative]

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