ATL03LA129

NTSB accident investigation · William Allen MONI-1 · Timberlake, NC · August 18, 2003

Accident · Serious injuriesLimited investigationFinal report
Date
August 18, 2003, 14:30 local (18:30 UTC)
Place
Timberlake, NC
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N240AWilliam Allen MONI-1
Weather
Visual (VMC) · Day
Status
Completed · report September 1, 2004
Report
Approved by Office Director
Parties
Greensboro FSDO
FAA report
20030818021159A
Case key
57770

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 adequate airspeed which resulted in a stall and subsequent collision with the ground.

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.

Loss of control - in flightTakeoff - initial climb
Airspeed - not maintainedPilot in commandCause
Stall - inadvertentPilot in command
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

According to a witness, approximately 500 feet past the departure end of the runway, the airplane banked steeply to the left. The witness stated he "could see the entire top of the airplane. Then the airplane turned nose down and spun about one rotation to the left and impacted the ground". Examination of the downed airplane found it in a nose down attitude at the accident site.

Factual narrative

On August 18, 2003, at 1430 eastern daylight time William Allen Moni-1, N240A an experimental airplane owned and operated by a commercial pilot collided with the ground shortly after takeoff from runway 6, at the Roxboro Person County Airport Timberlake, North Carolina. The personal flight was operated under the provisions of Title 14 CFR Part 91, and visual flight rules. Visual meteorological conditions prevailed and no flight plan was filed. The commercial pilot received serious injuries and the airplane sustained substantial damage. The flight originated from Timberlake, North Carolina, on August 18, 2003, at 1425.

In a written statement provided by the commercial pilot he stated "I remember nothing of the flight or accident; so I can provide no insight into the actual events of the accident".

According to a witness, the airplane took off from runway 6, and approximately 150 feet above the ground, the witness heard the engine power back and then advance in power. Approximately 500 feet past the departure end of the runway, the airplane banked steeply to the left. The witness stated he "could see the entire top of the airplane. Then the airplane turned nose down and spun about one rotation to the left and collided with the ground". According to the witness, he heard the engine running during the entire flight.

Examination of the downed airplane found it in a nose down attitude at the accident site. Wreckage debris was scattered in the immediate vicinity of the main wreckage. The inboard spars of both wings were damaged. The cowling had crush damage, and the cockpit plexiglass canopy was broken. The wooden propeller asembly was broken.

Aircraft

Registration
N240A
Reported as
William Allen MONI-1
Category
Airplane, amateur-built
Serial number
003
Airframe hours
60
Engine
KFM 107, 25 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · August 17, 2003 · 0 hours before
Departed
TDF · Timberlake, NC
Destination
TDF · Timberlake, NC
Airport
TDF · Pearson City, runway 06, 5,700 × 100 ft, asphalt

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
60
Injuries
Serious
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
October 30, 2002
Seat
Center
Flight hours
4,456 total · 12 in this make and model · 4,400 as pilot in command · 35 in the last 90 days · 12 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
0° at 0 knots
Visibility
7 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 72 °F
Altimeter
30.02 inHg
Observed at
RDU, 50 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.