CEN21LA318

NTSB accident investigation · Air Tractor AT-602 · Nappanee, IN · July 6, 2021

Accident · No injuriesClass 4 · LimitedFinal report
Date
July 6, 2021, 19:54 local (23:54 UTC)
Place
Nappanee, IN
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N602REAir Tractor AT-602
Defining event
Maneuvering-low-alt flying: Low altitude operation/event
Weather
Visual (VMC) · Dusk
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Central Region
Parties
Federal Aviation Administration; Grand Rapids FSDO
FAA report
20210706009029A
Case key
103479

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 the tower during low-level agricultural operations.

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.

Performance/control parameters: altitudeAircraft › Aircraft oper/perf/capability · Not attained/maintainedAir Tractor AT-602: 11 casesAll aircraft: 1,310 casesProbable cause
Object/animal/substance: tower/antenna (incl guy wires)Environmental issues › Physical environment · Awareness of conditionAir Tractor AT-602: 2 casesAll aircraft: 55 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 stated that while spraying for mosquitos, the airplane’s right wing struck an unmarked tower. The pilot flew the airplane back to the departure airport, during which the right wing stalled when the airplane slowed for landing. The airplane then ground looped. The airplane sustained substantial damage to the right wing skin during the in-flight collision with the tower. The pilot stated that there was no mechanical malfunction/failure of the airplane that would have precluded normal operation.

Aircraft

Registration
N602RE
Reported as
Air Tractor AT-602
Category
Airplane
Serial number
602-1200
Built
2011
Airframe hours
2,927
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Agriflight Services Inc.
Registered owner
Deby Ag Leasing Lp
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · January 14, 2021
Departed
II74 · Wakarusa, IN
Destination
II74 · Wakarusa, IN
Airport
C03
Equipment
ADS-B, 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
42
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Without waivers/limitations
Last flight review
April 11, 2021
Seat
Single
Flight hours
11,428 total · 606 in this make and model

Weather

Conditions
Visual (VMC) · Dusk
Wind
230° at 7 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
82 °F, dew point 68 °F
Altimeter
29.99 inHg
Observed at
SBN, 10 nm away

Docket · 2

The files NTSB released with the investigation on October 5, 2021, on NTSB’s docket system: statements, records, photos and specialists’ reports. 4.6 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.