DEN99LA170

NTSB accident investigation · Cessna 172 · Panguitch, UT · September 25, 1999

Accident · No injuriesLimited investigationFinal report
Date
September 25, 1999, 17:15 local (23:15 UTC)
Place
Panguitch, UT
Injuries
3 uninjured
Damage
Destroyed
Phase of flight
Landing
Aircraft
N9103BCessna 172
Weather
Visual (VMC) · Day
Status
Completed · report December 4, 2000
Report
Approved by Office Director
FAA report
19990925027909A
Case key
47456

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

Inadequate preflight planning and preparation by the pilot in command. Factors were high velocity gusty winds, high-density altitude, and unsuitable terrain for a forced landing.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Forced landingEmergency landing
Weather condition - high windFactor
Weather condition - gustsFactor
Weather condition - high density altitudeFactor
In flight collision with terrain/waterEmergency descent/landing
Terrain condition - mountainous/hilly
Terrain condition - none suitableFactor
Preflight planning/preparation - inadequatePilot in commandCause

Analysis

During climb following takeoff, the aircraft was unable to clear surrounding terrain and the pilot made a forced landing in mountainous and hilly terrain. Wind and weather at the time were high winds, gusty winds, high temperature, and high density altitude.

Factual narrative

On September 25, 1999, at 1715 mountain daylight time, impact and postimpact fire destroyed a Cessna 172, N9103B, when it collided with terrain during an emergency landing after encountering heavy downdrafts following takeoff from Panguitch, Utah. The private pilot and her two passengers were not injured. The flight was operating under Title 14 CFR Part 91 and no flight plan was filed. Visual meteorological conditions prevailed for this cross-country flight to Cedar City, Utah. The flight originated from Panguitch.

According to the pilot, she was doing a circular climb to get over terrain and a downdraft caused the aircraft to enter a descent. She said she attempted to land in a field but, during the landing roll, the nose wheel struck a rock and broke off. The aircraft then nosed over caught fire.

The pilot said the accident site was approximately 7,000 feet above mean sea level (msl) and the temperature at Panguitch was 76 degrees Fahrenheit. (F). The Panguitch airport elevation was 6,757 feet msl. Standard temperature at 7,000 feet msl, according to a chart provided in the flight manual, was 35 degrees F. Thus the temperature was 40 degrees above standard, creating a density altitude of 9,700 feet. According to the performance charts in the Pilot's operating Handbook, the calculated maximum rate of climb was 150 feet- per-minute based on a temperature of 76 degrees F, and an aircraft weight of 2, 047 pounds.

At the time of the accident, Cedar City, located approximately 30 miles to the west, was 10 miles visibility with clear skies, a temperature of 82.4 degrees F, and winds from 230 degrees at 12 knots with gusts to 19 knots.

Aircraft

Registration
N9103B
Reported as
Cessna 172
Category
Airplane
Serial number
36603
Engine
Continental O-300A, 145 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Operator
Marcia H. Bahr
Registered owner
High Valley Aviators, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 2, 1999 · 50 hours before
Departed
U55 · Panguitch, UT
Destination
CDC · Cedar City, UT

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
53
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
126 total · 63 in this make and model · 78 as pilot in command · 8 in the last 90 days · 8 in the last 30 days · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
230° at 12 knots, gusting 19
Visibility
10 statute miles
Lowest ceiling
None
Temperature
82 °F, dew point 39 °F
Altimeter
30.00 inHg
Observed at
CDC, 30 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.