ERA20CA231

NTSB accident investigation · Air Tractor AT502 · South Bay, FL · June 29, 2020

Accident · No injuriesClass 4 · Data collectionFinal report
Date
June 29, 2020, 11:30 local (15:30 UTC)
Place
South Bay, FL
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N42190Air Tractor AT502
Defining event
Approach: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Eastern Region Aviation
Parties
FAA FSDO
FAA report
20200629007739A
Case key
101507

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 loss of airplane control during the approach, which resulted in an aerodynamic stall and impact with vegetation and terrain.

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.

Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotAir Tractor AT-502B: 22 casesAll aircraft: 9,295 casesProbable cause
Performance/control parameters: angle of attackAircraft › Aircraft oper/perf/capability · Not attained/maintainedAir Tractor AT-502B: 6 casesAll aircraft: 990 casesProbable cause
Performance/control parameters: airspeedAircraft › Aircraft oper/perf/capability · Not attained/maintainedAir Tractor AT-502B: 5 casesAll aircraft: 1,681 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 was performing an aerial application flight, and after distributing dry fertilizer he entered a downwind approach to land on a dirt road next to the field he was spraying. During a 180° turn to line up with the road, the airplane entered an aerodynamic stall. He added power, levelled the wings, deployed the flaps, and recovered from the stall; however, the airplane was too low and its landing gear struck sugar cane in the field. The airplane subsequently impacted the ground, and the fuselage and empennage were substantially damaged. The operator reported there were no preaccident mechanical malfunctions or failures of the airplane that would have precluded normal operation.

Aircraft

Registration
N42190
Reported as
Air Tractor AT502 (B)
Category
Airplane
Serial number
502B-2705
Built
2010
Airframe hours
4,374
Engine
Pratt Whitney PT6-34, 750 horsepower, turbo prop
Damage
Substantial damage
Flight
Aerial application · Part 137
Airworthiness certificate
Special, Restricted (Special)
Last inspection
100 hour · April 21, 2020 · 146 hours before
Departed
X10 · Belle Glade, FL
Destination
X10 · Belle Glade, FL
Airport
X10 · Belle Glade State Muni
Equipment
Satellite tracking device, Stall warning system

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
57
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, With waivers/limitations
Last flight review
May 24, 2020
Seat
Center
Restraint
4-point
Flight hours
3,106 total · 1,639 in this make and model · 3,013 as pilot in command · 211 in the last 90 days · 72 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 8 knots
Visibility
9 statute miles
Temperature
91 °F, dew point 77 °F
Altimeter
30.06 inHg
Observed at
BCT, 25 nm away

Docket · 4

The files NTSB released with the investigation on January 22, 2021, on NTSB’s docket system: statements, records, photos and specialists’ reports. 6.2 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.