WPR21LA130

NTSB accident investigation · Bell 206B · Laton, CA · March 13, 2021

Accident · Minor injuriesClass 4 · LimitedFinal report
Date
March 13, 2021, 13:55 local (21:55 UTC)
Place
Laton, CA
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N161BHBell 206B
Defining event
Maneuvering-low-alt flying: Low altitude operation/event
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
20210313000219A
Case key
102756

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 clearance from powerlines during low-altitude maneuvering.

Findings · 2

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.

Object/animal/substance: wireEnvironmental issues › Physical environment · Effect on equipmentBell 206B: 27 casesAll aircraft: 588 cases

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, while conducting an aerial application on a field, he overflew one set of powerlines, however, struck the second set of powerlines shortly after. Subsequently, the helicopter impacted terrain and came to rest on its left side substantially damaging the fuselage. The pilot reported that there were no preaccident mechanical malfunctions or failures with the helicopter that would have precluded normal operation.

Aircraft

Registration
N161BH
Reported as
Bell 206B
Category
Helicopter
Serial number
1675
Built
1975
Airframe hours
20,055.3
Engine
Rolls Royce 250C20B, 400 hp, turbo shaft
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Trinkle Ag Flying
Registered owner
Trinkle Ag Flying
Airworthiness certificate
Special, Restricted (Special); Standard, Normal
Last inspection
Annual · January 16, 2021 · 76.8 hours before

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
36
Injuries
Minor
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Without waivers/limitations
Last flight review
October 10, 2020
Seat
Right
Restraint
4-point
Flight hours
10,000 total · 1,500 in this make and model · 10,000 as pilot in command · 250 in the last 90 days · 50 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
300° at 10 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
66 °F, dew point 39 °F
Altimeter
30.24 inHg
Observed at
KHJO, 7 nm away
METAR
KHJO 132153Z AUTO 30010KT 10SM CLR 19/04 A3024 RMK AO2 SLP241 T01890044

FAA reports on this event · 1

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