WPR22LA212

NTSB accident investigation · Aviat A-1B · Big Creek, ID · June 10, 2022

Accident · Minor injuriesClass 4 · LimitedFinal report
Date
June 10, 2022, 13:00 local (19:00 UTC)
Place
Big Creek, ID · Big Creek Lodge
Injuries
2 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N55HUAviat A-1B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Western Pacific Region
Parties
Federal Aviation Administration
FAA report
20220610009809A
Case key
105244

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 directional control of the airplane during takeoff, which resulted in a runway excursion and collision with fencing.

Findings · 3

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.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedAviat A-1B: 21 casesAll aircraft: 3,958 casesProbable cause
Wind: windshearEnvironmental issues › Conditions/weather/phenomena · Ability to respond/compensateAviat A-1B: 1 caseAll aircraft: 90 cases
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotAviat A-1B: 33 casesAll aircraft: 9,295 casesProbable cause

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 pilot reported that, during departure the airplane encountered windshear and he could not maintain directional control. The airplane veered off the right side of the runway and collided with two fences. The airplane nosed over and came to rest inverted. The wings and fuselage were substantially damaged. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation

Aircraft

Registration
N55HU
Reported as
Aviat A-1B
Category
Airplane
Serial number
2046
Built
1999
Airframe hours
2,614.9
Engine
Lycoming O-360-A1P, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Kaihai Corp
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 19, 2021
Departed
U60 · Big Creek, ID
Airport
U60 · Big Creek Airport, runway 01, 3,550 × 110 ft, grass/turf
Equipment
Satellite tracking device, Stall warning system, Electronic flight bag or handheld device, ADS-B

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
31
Injuries
Minor
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 1, Without waivers/limitations
Last flight review
May 2, 2021
Seat
Front
Restraint
5-point
Flight hours
905.6 total · 654.9 in this make and model · 855.7 as pilot in command · 15.1 in the last 90 days · 9.9 in the last 30 days · 3.2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
210° at 13 knots, gusting 21
Visibility
10 statute miles
Lowest ceiling
9,500 ft broken
Temperature
73 °F, dew point 45 °F
Altimeter
30.07 inHg
Observed at
KMYL, 36 nm away
METAR
KMYL 101851Z AUTO 21013G21KT 10SM SCT065 BKN095 23/07 A3007 RMK AO2 SLP141 T02280072

Docket · 2

The files NTSB released with the investigation on August 30, 2022, on NTSB’s docket system: statements, records, photos and specialists’ reports. 3.0 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.

Other investigations on N55HU · 1

Matched to the same aircraft by N-number and date.