CEN22LA087

NTSB accident investigation · J&J Ultralights Seawing · Golden, MO · December 30, 2021

Accident · FatalClass 3 · LimitedFinal report
Date
December 30, 2021, 15:14 local (21:14 UTC)
Place
Golden, MO
Injuries
1 fatal
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N285SWJ&J Ultralights Seawing
Defining event
Maneuvering-low-alt flying: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 3
NTSB office
Central Region
Parties
Flight Standards District Office
FAA report
20211230021539A
Case key
104461

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 noncertificated pilot’s failure to maintain aircraft control while aggressively maneuvering at low altitude.

Findings · 4

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The noncertificated pilot departed on his first flight in his recently purchased weight-shift control (WSC) aircraft. After takeoff, the pilot made a steep left bank turn that included a rapid climb and descent. The pilot leveled the aircraft and made a second steep bank turn with a rapid climb, then the aircraft entered a dive and impacted a house. The wings, empennage, and fuselage sustained substantial damage. A postaccident examination revealed no evidence of any mechanical malfunctions or failures that would have precluded normal operation. The pilot completed two flights in a different WSC aircraft about 6 months before the accident. According to the previous owner, the accident aircraft stalled more abruptly than other WSC aircraft and a substantial amount of altitude was required to recover from a stall. Although toxicology testing indicated the pilot used cannabis at some point before the accident flight, the detected blood levels could not be used to infer the level of impairment. Based on the circumstances of the accident, the effect of cannabis usage was determined not to be a likely factor in the accident.

Factual narrative

On December 30, 2021, about 1514 central standard time, a J&J Ultralights Seawing, N285SW, was substantially damaged when it was involved in an accident near Golden, Missouri. The noncertificated pilot sustained fatal injuries. The aircraft was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. A video of the accident showed that, after takeoff, the aircraft pitched up and banked left, then transitioned into a steep dive. After recovery toward level flight, the aircraft pitched up and banked left again. While in the second left turn, the aircraft entered a steep dive and impacted a house, which resulted in damage to both wings, fuselage and empennage. Engine noise was observed throughout the video until ground impact. Examination of the engine and airframe revealed no evidence of any mechanical malfunctions or failures that would have precluded normal operation. The pilot’s certificate was revoked on January 23, 2020, for his failure to report two suspensions of his driver’s license and a conviction for unlawful alcohol concentration. The pilot purchased the accident aircraft about 6 months before the accident, and he completed two introductory flights in a weight-shift control (WSC) aircraft that handled substantially differently than the accident aircraft. Family members of the pilot reported that the accident flight was the pilot’s first flight in the accident aircraft. The previous owner stated that the flight characteristics of the accident aircraft included a more abrupt stall than other WSC aircraft and a small "window" between cruise and stall speeds. He described the stall as a "parachute straight forward" type of maneuver that required a substantial amount of altitude for recovery. Toxicology testing performed by the Federal Aviation Administration Forensic Sciences Laboratory identified delta-9-tetrahydrocannabinol (THC), the primary psychoactive component in cannabis, at 3.4 ng/ml in cavity blood and 2.3 ng/ml in urine; its inactive metabolite, carboxy-delta-9-THC, at 38.3 ng/ml in cavity blood and 321.4 ng/ml in urine; and its active metabolite, 11-hydroxy-delta-9-THC, was inconclusive in cavity blood and at 23.7 ng/ml in urine.

Aircraft

Registration
N285SW
Reported as
J&J Ultralights Seawing
Category
Weight-shift
Serial number
10001234582
Built
2002
Engine
Rotax 582SER, 64 horsepower, reciprocating
Damage
Substantial damage
Fire
On-Ground
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental light sport (Special)
Departed
MO32 · Golden, MO
Destination
MO32 · Golden, MO
Airport
n/a

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
53
Injuries
Fatal
Medical
Class 3, Without waivers/limitations
Last flight review
May 24, 2000
Seat
Front
Toxicology
Performed
Flight hours
207 total · 0 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
240° at 4 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
61 °F, dew point 45 °F
Altimeter
29.77 inHg
Observed at
KFWB, 17 nm away
METAR
KFWB 302115Z AUTO 24004KT 10SM CLR 16/07 A2977 RMK AO2

Docket · 7

The files NTSB released with the investigation on June 14, 2023, on NTSB’s docket system: statements, records, photos and specialists’ reports. 6.3 MB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.