DFW07LA010

NTSB accident investigation · Taylor Zodiac 601 · San Antonio, TX · October 21, 2006

Accident · No injuriesLimited investigationFinal report
Date
October 21, 2006, 16:30 local (21:30 UTC)
Place
San Antonio, TX
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N143DTTaylor Zodiac 601
Weather
Visual (VMC) · Day
Status
Completed · report May 29, 2007
Report
Approved by Office Director
Parties
FAA, FSDO
FAA report
20061021024119A
Case key
64740

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 NTSB’s determination of the probable cause, and any contributing factors.

The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.

Analysis

A 1,900-hour private pilot departed from a 3,000-foot long by 40-foot wide runway, in a single engine experimental airplane on a local flight. Immediately after takeoff, while the airplane was climbing through approximately 300 feet above the ground, the pilot reported experiencing a total loss of engine power. Due to the low altitude, the pilot was only able to make one attempt to restart the engine. The pilot reported that he was unable to start the engine. The airplane sustained structural damage during the forced landing. Fuel was present in the airplane's fuel tanks. After the airplane was recovered, the engine was inspected. The engine examination revealed the engine itself did not sustain any damage. A thumb compression test was conducted on each cylinder, fuel was present in both carburetor bowls, and the electric fuel pump operated and displaced fuel. The engine's electric starter was used to rotate the engine, and ignition spark was observed on each top cylinder sparkplug. No anomalies were found that could have prevented normal engine operation. The reason for the reported loss of engine power could not be determined. A review of the airplane's cockpit area revealed that no markings or labeling were associated with the fuel shutoff valve. A row of assorted electrical fuses were also found to be unmarked.

Factual narrative

On October 21, 2006, approximately 1630 central daylight time, a single-engine Taylor Zodiac 601 experimental airplane, N143DT, was substantially damaged during a forced landing following a reported loss of engine power shortly after take-off from the San Geronimo Airpark (8T8), near San Antonio, Texas. The private pilot and passenger were not injured. The airplane was registered to and operated by a private individual. 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 mishap.

The 1,900-hour private pilot reported in the Pilot/Operator Airplane Accident Report (NTSB Form 6120.1), that immediately after take-off and at approximately 300 feet, "the engine died."

According to a Federal Aviation Administration (FAA) inspector, who responded to the accident site, the airplane sustained structural damage during the forced landing. The inspector also noted that fuel was present in the airplane's fuel tanks.

An engine inspection was conducted on March 28, 2007. Two of the three wooden propeller blades were found broken off. However, the engine itself did not sustain any damage. A thumb compression test was conducted on each cylinder, fuel was present in both carburetor bowls, and the electric fuel pump operated and displaced fuel. The engine's electric starter was used to rotate the engine, and ignition spark was observed on each top cylinder sparkplug. No abnormalities were found with the engine that could have prevented normal engine operation. The reason for the reported loss of engine power could not be determined.

Additionally, an inspection of the airplane's cockpit revealed the absence of labeling or markings for the fuel shutoff valve or the row of assorted electrical fuses.

At 1655, the automated weather observation system at SKF, located approximately 15 miles southeast of the accident site, reported variable winds at 3 knots, 7 miles visibility, few clouds at 3,600 feet, temperature 82 degrees Fahrenheit, dew point 68 degrees Fahrenheit, and an altimeter setting of 29.83 inches of Mercury.

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 engine powerTakeoff - initial climb
Reason for occurrence undeterminedCause
Forced landingEmergency descent/landing
In flight collision with terrain/waterEmergency landing
Terrain condition - ground
Terrain condition - none suitableFactor

Aircraft

Registration
N143DT
Reported as
Taylor Zodiac 601
Category
Airplane, amateur-built
Serial number
6-5923
Airframe hours
552
Engine
Rotax 912 UL, 80 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · August 1, 2006
Departed
8TA0 · San Antonio, TX
Destination
San Antonio, TX
Flight plan
Unknown
Airport
8TA0 · San Geronimo 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
58
Injuries
None
Certificates
Private, Sport Pilot
Airplane ratings
Single-engine land
Medical
Sport pilot, Unknown
Seat
Front
Flight hours
1,900 total · 10 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 3 knots
Visibility
7 statute miles
Lowest ceiling
None
Temperature
82 °F, dew point 68 °F
Altimeter
29.82 inHg
Observed at
KSKF, 15 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.