FTW04LA189

NTSB accident investigation · Calhoun RV-4 · Latexo, TX · July 18, 2004

Accident · Serious injuriesLimited investigationFinal report
Date
July 18, 2004, 13:51 local (18:51 UTC)
Place
Latexo, TX
Injuries
1 serious
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N996NCCalhoun RV-4
Weather
Visual (VMC) · Day
Status
Completed · report October 28, 2004
Report
Approved by Office Director
Parties
FAA Flight Standards District Office
FAA report
20040718016179A
Case key
59672

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 failure to maintain directional control and attain adequate airspeed resulting in a stall. Contributing factors were the pilot's diverted attention with closing the canopy, and the quartering crosswind.

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
Diverted attentionPilot in commandFactor
Directional control - not maintainedPilot in commandCause
Weather condition - tailwindFactor
Airspeed - not attainedPilot in commandCause
Weather condition - crosswindFactor
In flight collision with terrain/waterTakeoff
Terrain condition - ground

Analysis

A witness, standing near the approach end of runway 17 (a 2,500 feet long by 50 feet wide turf runway), stated that the 180-hour pilot went through his pre-flight checklist and began his take-off roll. The witness further stated that the tailwheel-equipped airplane veered off to the left and into some tall grass to the left of the runway. The airplane became airborne for a moment and then settled back down in a level attitude. The airplane again lifted off of the runway and it was at this point the witness noticed the pilot "trying to close" the canopy on the airplane. The airplane remained airborne at what appeared to be "just above stall speed." Subsequently, the airplane banked to the left and stalled. The witness lost sight of the airplane as it went down behind some trees, short of the departure end of runway 17 and "several hundred feet" to the left. Near the time of the accident, the closest weather reporting station reported winds from 330 degrees at 10 knots, gusting to 14 knots, visibility 10 miles, sky scattered at 4,900 feet msl, temperature 35 degrees Celsius, dew point 17 degrees Celsius, and a barometric pressure of 29.94 inches of Mercury.

Factual narrative

On July 18, 2004, at 1351 central daylight time, a Calhoun RV-4 single-engine homebuilt airplane, N996NC, was destroyed when it impacted terrain following a loss of control after take-off from the Bruner Airport (8TS3), near Latexo, Texas. The private pilot, sole occupant of the airplane, sustained fatal injuries. The airplane was registered to and operated by the pilot. 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 was originating at the time of the accident.

One witness, standing near the approach end of runway 17 (a 2,500 feet long by 50 feet wide turf runway), stated that the pilot went through his pre-flight checklist and began his take-off roll. The witness further stated that the tailwheel-equipped airplane veered off to the left and into some tall grass to the left of the runway. The airplane became airborne for a moment and then settled back down in a level attitude. The airplane again lifted off of the runway and it was at this point the witness noticed the pilot "trying to close" the canopy on the airplane. The airplane remained airborne at what appeared to be "just above stall speed." Subsequently, the airplane banked to the left and stalled. The witness lost sight of the airplane as it went down behind some trees, short of the departure end of runway 17 and "several hundred feet" to the left.

The Federal Aviation Administration (FAA) inspector, who responded to the accident site, stated that ground signatures and ground scars revealed that, after the airplane impacted the ground, the airplane "pivoted" on the left wing and traveled approximately 150 feet before coming to rest in the upright position, facing approximately 280 degrees. Examination by the FAA inspector revealed that the left wing was wrinkled and the left main spar was bent. The right wing was wrinkled. The left wing fuel tank exhibited signs that the fuel had spilled out, and the right wing fuel tank was leaking fuel. The fuselage was folded at the cockpit, and cocked to the left approximately 12 degrees.

The private pilot held a private pilot certificate for airplane single-engine land, and the most recently completed third class medical certificate was issued on May 2, 2003, with the limitation of "MUST HAVE GLASSES AVAILABLE FOR NEAR VISION." A review of the pilot's logbook revealed that he had accumulated a total of 180 hours in single-engine airplanes, with 25 being logged in the accident airplane.

The automated surface observing system (PSN) at Palestine, Texas, located approximately 26 miles southeast of the accident site, reported winds from 330 degrees at 10 knots, gusting to 14 knots, visibility 10 miles, sky scattered at 4,900 feet msl, temperature 35 degrees Celsius, dew point 17 degrees Celsius, and a barometric pressure of 29.94 inches of Mercury.

Aircraft

Registration
N996NC
Reported as
Calhoun RV-4
Category
Airplane, amateur-built
Serial number
1
Airframe hours
25
Engine
Lycoming O-320-E2D, 150 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Ronald R. Calhoun
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · July 10, 2004 · 0.5 hours before
Departed
8TS3 · Latexo, TX
Airport
8TS3 · Bruner Airport, runway 17, 2,500 × 50 ft, grass/turf

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
61
Injuries
Fatal
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Last flight review
May 2, 2003
Seat
Front
Flight hours
180 total · 25 in this make and model · 124 as pilot in command · 4 in the last 90 days · 1 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
330° at 10 knots, gusting 14
Visibility
10 statute miles
Lowest ceiling
None
Temperature
95 °F, dew point 63 °F
Altimeter
29.94 inHg
Observed at
PSN, 26 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.