FTW97LA351

NTSB accident investigation · Brashears MONERAI-S · Artesia, NM · September 16, 1997

Accident · Serious injuriesLimited investigationFinal report
Date
September 16, 1997, 11:15 local (17:15 UTC)
Place
Artesia, NM
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N5575SBrashears MONERAI-S
Weather
Visual (VMC) · Day
Status
Completed · report June 26, 1998
Report
Approved by Office Director
FAA report
19970916026899A
Case key
20346

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 improper handling of the aircraft during takeoff, which resulted in an inadvertent stall and collision with the terrain. A factor relating to the accident was: the pilot's lack of recent flight experience in the make and model of aircraft.

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
Aircraft handling - improperPilot in commandCause
Stall - inadvertentPilot in commandCause
Lack of recent experience in type of aircraftPilot in commandFactor
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The homebuilt motorized glider was observed on takeoff roll from runway 21 in calm wind. Witnesses reported that as soon as the aircraft broke ground, 'the aircraft assumed a very nose high attitude and stalled.' It impacted the ground in a left banking turn and nose low attitude. Witnesses further stated that the 22 horsepower engine continued to operate at high RPM after the aircraft impacted the ground. The co-owner of the airplane stated that he had flown the motorized glider 3 times prior to the accident and found it to have 'extremely sensitive controls.' He further reported that the flight controls in the glider were operated by a side stick located on the left side of the cockpit. He noted that 'there is a tendency to overcorrect the control inputs specially at low airspeeds in close proximity to the ground.' Also, the pilot said that for the last few years, he had been flying gliders, and before the accident, he had not flown a powered aircraft for over 13 years.

Factual narrative

On September 16, 1997, at 1115 mountain daylight time, a Brashears Monerai-S motorized glider, N5575S, was substantially damaged following a loss of control during takeoff from the Artesia Municipal Airport, near Artesia, New Mexico. The private pilot, sole occupant of the aircraft, was seriously injured. The glider was jointly registered and operated by the pilot and another individual. The aircraft was being operated under Title 14 CFR Part 91. Visual meteorological conditions prevailed for the local flight. The flight was originating at the time of the accident.

According to witnesses at the airport, the homebuilt glider was observed on takeoff roll from Runway 21. As soon as the aircraft broke ground, the witnesses reported that "the aircraft assumed a very nose high attitude and stalled." The aircraft impacted the ground in a left banking turn, in a nose low attitude. Witnesses further stated that the 22 horsepower above the wing pusher engine continued to operate at high RPM after the aircraft impacted the ground.

The co-owner of the airplane, a seasoned pilot with over 30,000 hours, told the NTSB investigator-in-charge (IIC), that he had flown the motorized glider 3 times since they purchased the glider in April 1997, and found it to "have extremely sensitive flight controls." He further stated that the flight controls in the powered glider are operated by a side stick located on the left side of the cockpit. During his 3 flights in the aircraft, he noted that he had a tendency to overcorrect the control inputs, specially at low airspeeds in close proximity to the ground.

During a telephonic interview, the pilot told the IIC that for the last few years he had been flying gliders and prior to the accident, he had not flown a powered aircraft for over 13 years. The pilot added that he should have at least performed several high speed taxi runs to gain some proficiency in the aircraft prior to attempting a flight.

The FAA inspector examined the wreckage and confirmed continuity of the flight control system. The examination revealed that the aircraft incurred structural damage to the left wing and the forward section of the fuselage.

The winds at the time of the accident were reported as calm. Based on the reported weather conditions (temperature of 84 degrees and a dew point of 64 degrees Fahrenheit), the IIC calculated that the density altitude was approximately 5,700 feet.

Aircraft

Registration
N5575S
Reported as
Brashears MONERAI-S
Category
Unknown, amateur-built
Serial number
111
Engine
Konig SC-430, 22 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Gene Scoggins & Lloyd Soleman
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · April 30, 1997 · 3 hours before
Departed
ATS
Airport
ATS · Artesia Municipal, runway 21, 6,300 × 150 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
74
Certificate
Private
Airplane ratings
Single-engine land
Seat
Center
Flight hours
194 total

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 64 °F
Altimeter
30.00 inHg
Observed at
ATS, 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.