FTW04CA224

NTSB accident investigation · Cessna 172S · Leakey, TX · August 28, 2004

Accident · Minor injuriesData collectionFinal report
Date
August 28, 2004, 11:30 local (16:30 UTC)
Place
Leakey, TX
Injuries
3 minor
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N2477ECessna 172S
Weather
Visual (VMC) · Day
Status
Completed · report October 28, 2004
Report
Approved by Office Director
Parties
Federal Aviation Administration
FAA report
20040828025809A
Case key
60009

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

On this page

Probable cause

The pilot's failure to maintain clearance with terrain. A contributing factor was the high density altitude.

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.

In flight collision with terrain/waterCruise - normal
Clearance - not maintainedPilot in commandCause
Terrain condition - mountainous/hilly
Weather condition - high density altitudeFactor

Analysis

The 270-hour pilot reported that he was flying approximately 500 feet above the ground, before departing the area over mountainous terrain. Subsequently, the airplane impacted the side of a mountain. The pilot stated that it "felt like something was pulling me [the airplane] down as the airspeed was dropping fast." The pilot added that he increased power and lowered the nose to increase airspeed, but the airplane continued to sink. The NTSB investigator-in-charge calculated the density altitude to be 4,532 feet.

Factual narrative

On August 24, 2004, approximately 1130 central daylight time, a Cessna 172S single-engine airplane, N2477E, sustained substantial damage when it impacted terrain during cruise flight near Leakey, Texas. The private pilot and two passengers sustained minor injuries. The airplane was registered to and operated by Uvalde Flight Training Center Inc., of Uvalde, Texas. Visual meteorological conditions prevailed and a flight plan was not filed for the 14 Code of Federal Regulations Part 91 personal flight. The local flight originated from the Garner Field Airport (UVA), near Uvalde, Texas, at 1050.

The 270-hour pilot reported in a written statement that he was flying over a house owned by one of the passengers at approximately 500 feet above ground level (agl), before departing the area over a mountainous area. The pilot stated that it "felt like something was pulling me [the airplane] down as the airspeed was dropping fast." He added power and lowered the nose to increase airspeed, but the airplane continued to sink. Subsequently, the airplane impacted terrain on the side of a mountain, approximately 100 feet below the peak.

Examination of the airplane by an Federal Aviation Administration (FAA) inspector, who responded to the site of the accident, revealed the right wing spar and the engine firewall were bent. The airplane came to rest upright among trees at a field elevation of 2,231 feet.

At 1100, the automated weather observing system at UVA, located approximately 32 miles south of the accident site reported wind from 170 degrees at 6 knots, visibility 10 statute miles, sky condition clear, temperature 88 degrees Fahrenheit, dew point 68 degrees Fahrenheit, and an altimeter setting of 30.01 inches of Mercury.

The NTSB investigator-in-charge calculated the density altitude to be 4,532 feet.

Aircraft

Registration
N2477E
Reported as
Cessna 172S
Category
Airplane
Serial number
172S8800
Airframe hours
1,810.5
Engine
Lycoming IO-360-L2A, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Uvalde Flight Training Center Inc
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · August 3, 2004 · 45.9 hours before
Departed
UVA · Uvalde, TX

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
56
Injuries
Minor
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
270 total · 100 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
170° at 6 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
88 °F, dew point 68 °F
Altimeter
30.01 inHg
Observed at
UVA

FAA reports on this event · 1

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