CEN26LA276

NTSB accident investigation · Robinson Helicopter R44 II · Bennett, IA · August 2, 2026

Accident · No injuriesClass 3 · LimitedPreliminary report
Date
August 2, 2026, 13:18 local (18:18 UTC)
Place
Bennett, IA · Pasture
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Emergency descent
Aircraft
N26KLRobinson Helicopter R44 II
Defining event
Autorotation: Hard landing
Weather
Visual (VMC) · Day
Status
Investigation ongoing
Investigation class
Class 3
NTSB office
Central Region
Parties
Federal Aviation Administration - Des Moines FSDO
FAA report
20260802011379A
Case key
203517

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Preliminary report

What NTSB knew early in the investigation. It may change in the final report.

On August 2, 2026, about 1318 central daylight time, a Robinson Helicopter Company R44 II helicopter, N26KL, was substantially damaged when it was involved in an accident near Bennett, Iowa. The pilot was not injured. The helicopter was operated as a Title 14 Code of Federal Regulations Part 137 agricultural flight. The pilot reported that as the helicopter passed over a tree line he felt a vibration in the airframe and when the vibration increased he decided to perform an autorotation into the next field. According to the pilot, the helicopter descended rapidly from about 20 ft above the ground which resulted in a hard landing. A witness to the accident reported hearing an “awful” noise before the helicopter passed over a tree. The witness stated that as the helicopter descended the main rotor blades almost stopped rotating when the helicopter was about 10 to 15 ft above the ground, and then the helicopter dropped vertically into the field. The airframe and tailboom sustained substantial damage during the hard landing. The helicopter was recovered to a secure facility pending an examination.

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.

Aircraft

Registration
N26KL
Reported as
Robinson Helicopter R44 II
Category
Helicopter
Serial number
12024
Built
2007
Airframe hours
1,230.5
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
DK Aircraft LLC
Registered owner
Kurt Lepping
Airworthiness certificate
Special, Restricted (Special); Standard, Normal
Last inspection
Annual · May 12, 2026 · 102 hours before
Equipment
None

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.

Weather

Conditions
Visual (VMC) · Day
Wind
60° at 8 knots
Visibility
10 statute miles
Lowest ceiling
3,400 ft broken
Temperature
81 °F, dew point 68 °F
Altimeter
29.94 inHg
Observed at
KIOW, 29 nm away
METAR
SPECI KIOW 021759Z AUTO 06008KT 10SM SCT030 BKN034 27/20 A2994 RMK AO2

FAA reports on this event · 1

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