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ASN Wikibase Occurrence # 264175
Last updated: 22 July 2021
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Type:Silhouette image of generic P28A model; specific model in this crash may look slightly different
Piper PA-28-140 Cherokee
Registration: N6323R
MSN: 28-21490
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Deseret Peak Wilderness near Rush Valley, UT -   United States of America
Phase: En route
Departure airport:Idaho Falls-Fanning Field, ID (IDA/KIDA)
Destination airport:Cedar City Airport, UT (CDC/KCDC)
Investigating agency: NTSB
The pilot and passenger were fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 flight.

The accident flight was the second leg of an almost 1,000-mile cross-country trip from the
pilot’s home airport of Havre City-County Airport (HVR), Havre, Montana, to El Centro NAF
Airport (NJK), El Centro, California. The airplane departed HVR about 1600, and according to
a friend of the pilot, the plan was to fly through the night, stop for fuel at Idaho Falls Regional
Airport (IDA), in Idaho Falls, Idaho, then Cedar City Regional Airport (CDC), Cedar City, Utah,
and eventually arrive in El Centro by 0600.

The pilot was traveling with her granddaughter, and the trip was planned as a Father’s Day
surprise for the pilot’s father, who lived near El Centro. According to the friend, the pilot opted
to fly overnight to avoid the heat and turbulence associated with flying over the desert, and had
planned to sleep for two hours in the airport during the stop at CDC.

The airplane was not equipped with an ADS-B transponder, and as such a flight track was
compiled utilizing preliminary radar data. The data indicated a target utilizing the 1200 (VFR)
beacon code departing IDA at 2100 and flying southbound directly toward the Malad City
VOR. Fifty minutes later, having crossed directly over the VOR at a Mode-C reported altitude
of 9,200 ft, the target began to descend. By 2224, the target had reached the Promontory
Mountains, a peninsular on the northern shores of the Great Salt Lake, about 35 miles
northwest of Salt Lake City International Airport (SLC). For the next 20 minutes, the target
followed a meandering counterclockwise radial track around SLC, passing in and out of the
edges of the airport’s Mode C veil, at an altitude of about 8,200 ft.

By 2245, the target had reached the Tansbury Mountains, a north-south range situated westsouthwest of SLC. The target crossed over the northern section of the range at an altitude of
8,200 ft, clearing terrain by about 400 ft vertically. Review of the Salt Lake City sectional aeronautical chart revealed that the central area of the mountains were annotated as the Deseret Peak Wilderness Area, and were within an approximately 3.5-mile-wide corridor between the SLC Mode-C veil, and the SEVIER B & D military operation areas (MOAs).

The target then flew south along the corridor over the foothills of the mountain range, where at
one point it came within 100 ft vertically and horizontally of terrain. By 2250, the target was
passing to the east of Desert Peak, the highest point in the range (11,031 ft), when it began a
right turn directly through a valley and toward terrain (figure 2).
The last target was recorded at 2253:10 and indicated that the airplane was traveling on a
heading of 221° about 0.75 miles short of the 10,330 ft peak, at an altitude of 8,200 ft, and
airspeed of 98 knots.

At 2320 the Tooele County Fire Department received a 911 call reporting a fire had developed
within the Tansbury Mountains. At 0700 the following morning family and friends of the pilot,
having been unable reach her, informed the FAA of the missing airplane, and a subsequent
ALNOT was issued. The wreckage was located by members of the Forest Service a few hours

The airplane came to rest on a 30° east-facing slope within a valley, about 1,300 ft beyond, and
at the same elevation as, the last radar target. The terrain was composed of loose rock and soil,
dispersed with pine trees and brush. The first identified point of impact was composed of an
18-inch-wide tree trunk, severed about 15 ft above ground level. The left wing had detached
and was located about 10 ft upslope of the trunk. The wing had folded aft midspan and
exhibited a semi-circular indentation in the wing spar, which matched the diameter of the
trunk. A 10-ft-wide ground disruption was present to the right of the wing and contained
fragments of painted aluminum along with the nose wheel. The ground disruption was at about
the same level horizontally as the severed the trunk. The main wreckage was an additional 20 ft
upslope and was composed of burnt remnants the cabin and right wing, along with the engine
and empennage. The fuselage was on a heading of about 220°. The engine remained partially
attached to the firewall, and the propeller had detached from the crankshaft, and was the last
section located in the debris field, a further 15 ft upslope.





Revision history:

18-Jun-2021 19:32 Captain Adam Added
20-Jun-2021 06:19 gerard57 Updated [Total fatalities, Total occupants, Other fatalities, Source, Embed code, Narrative]
20-Jun-2021 06:19 gerard57 Updated [[Total fatalities, Total occupants, Other fatalities, Source, Embed code, Narrative]]
22-Jun-2021 21:49 Geno Updated [Registration, Cn, Operator, Location, Nature, Source]
26-Jun-2021 17:13 Anon. Updated [Source, Narrative]
21-Jul-2021 08:35 aaronwk Updated [Time, Phase, Departure airport, Destination airport, Source, Damage, Narrative, Category]

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