ATL04LA112

NTSB accident investigation · Piper PA-28-140 · Cortland, AL · May 11, 2004

Accident · FatalLimited investigationFinal report
Date
May 11, 2004, 12:45 local (17:45 UTC)
Place
Cortland, AL
Injuries
1 fatal
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N7123RPiper PA-28-140
Weather
Visual (VMC) · Day
Status
Completed · report July 7, 2005
Report
Approved by Office Director
Parties
Birmingham FSDO
FAA report
20040511008149A
Case key
59213

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

The pilot's misjudgment of distance/altitude and his failure to maintain obstacle clearance which resulted in an undershoot and collision with trees.

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.

UndershootApproach - vfr pattern - final approach
Distance/altitude - misjudgedPilot in commandCause
In flight collision with objectApproach - vfr pattern - final approach
Object - tree(s)Factor
Clearance - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

According to witnesses the airplane was flying low towards the airport when the right wing of the airplane "clipped a tree". The airplane "spun" to the right and collided with the ground. No radio transmissions were received from the pilot prior to the accident. Examination of the wreckage site revealed the airplane came to rest 600 feet from the approach end of the runway 13 on a golf course in a nose down attitude. The engine compartment of the airplane was crushed aft towards the firewall and displaced to the left. The right wing tip leading edge was crushed. The left wing assembly was buckled. Examination of the flight controls and power plant revealed no anomalies. The pilot did not report any mechanical or flight control anomalies.

Factual narrative

History of flight

On May 11, 2004, at 1245 central daylight time, a Piper PA-28-140, N7123R, registered to and operated by a private pilot collided with a tree during a low approach to runway 13 at Lawrence County Airport, Cortland, Alabama. The personal flight was operated under the provision of Title 14 CFR Part 91 with no flight plan filed. Visual meteorological conditions prevailed at the time of the accident. The airplane sustained substantial damage, and the private pilot was fatally injured. The flight departed Lawrence County Airport on May 11, 2004 at 1200.

Circumstances and the purpose of the flight were unknown , however according to witnesses, located on a golf course, the airplane was flying low towards the airport when the right wing "clipped a tree". The airplane "spun" to the right and collided with the ground. The witnesses went the location of the downed airplane.

Personnel information

Review of the pilot's records revealed the pilot held a private pilot certificate issued on August 7, 1998 with ratings for airplane single engine land. The pilot held a third-class medical issued July 7, 2003, valid when wearing corrective lenses. The pilot log book review revealed that he had accumulated a total of 1262 flight hours. The pilot's total flight hours in the Piper PA-28 were not determined.

Aircraft information

Review of the maintenance records revealed that the last recorded annual inspection was conducted on May 7, 2003.The current tachometer time was 3783.30, and the engine time since overhaul was 299.1 hours. The last overhaul was on July 21, 1994 at a tachometer time of 3483.39 hours.

Meteorological information

The weather at Northwest Alabama Regional Airport, 13nm west of Lawrence County Airport reported at 1253 CDT, Clear, 10sm visibility, wind 060 degrees at 7 knots gusting to 14 knots, temperature 29 degrees Celsius, dew point 17 degrees Celsius, altimeter 30.14.

Wreckage examination

Examination of the wreckage site revealed the airplane was on final approach for runway 13 and came to rest 600 feet from the approach end of runway 13. The airplane came to rest in a golf course in a nose down attitude. The engine compartment of the airplane was crushed aft towards the firewall and displaced to the left. The right wing tip leading edge was crushed and the leading edge was damaged. The left wing assembly was buckled. The engine compartment was buckled upward towards at the engine mount and crushed towards the firewall. One propeller blade was bent forward and exhibited chord-wise scoring on the outboard section. The pilot did not report any flight control or mechanical anomalies prior to the accident.

Examination of the engine revealed when the crankshaft was rotated, compression was noted at all four cylinders, and spark was observed at the spark plug leads for all four cylinders. The oil suction screen was removed and no contamination was found.

The fuel strainer screen was removed for examination and no contamination was found. The lower half of the carburetor was broken off and the floats were crushed. Pumping action from the fuel pump was observed when the crankshaft was rotated. An undetermined amount of fuel was found in the fuel lines and in both main fuel tanks. The post-accident examination of the airplane and engine assembly failed to disclose a mechanical malfunction or component failure.

Pathological information

The pilot initially survived the accident but expired on May 12, 2004. The Alabama Department of Forensic Sciences, Department of Pathology, preformed the postmortem examination of the private pilot on May 13, 2004. The reported cause of death was "multiple blunt force trauma." The toxicological examinations were negative for carbon monoxide, cyanide, drugs and alcohol. The Forensic Toxicology Research Section, Federal Aviation Administration, Oklahoma City, Oklahoma performed postmortem toxicology of specimens from the pilot. No ethanol was detected in the vitreous, urine, blood, brain or muscle. Methanol was detected in the vitreous, blood, brain and muscle. Isopropanol was detected in the vitreous, blood and brain. The body was partially embalmed prior to the autopsy.

Additional information

The wreckage of the Piper PA-28-140, N7123R was released to America Insurance Group on July 2, 2004.

Aircraft

Registration
N7123R
Reported as
Piper PA-28-140
Category
Airplane
Serial number
28-21824
Airframe hours
3,783
Engine
Lycoming O-320-E2A, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Thomas J Johnston
Airworthiness certificate
Standard, Normal
Last inspection
Annual · May 7, 2003 · 19 hours before
Departed
9A4 · Cortland, AL
Destination
9A4 · Cortland, AL
Airport
9A4 · Industrial Airpark

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
74
Injuries
Fatal
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Toxicology
Performed
Flight hours
1,250 total · 1,250 as pilot in command

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 7 knots, gusting 14
Visibility
10 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 63 °F
Altimeter
30.13 inHg
Observed at
9A4, 1 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.