WPR25LA222

NTSB accident investigation · Rotorsport UK Rotorsport UK Cavalon · Hurricane, UT · July 14, 2025

Accident · Minor injuriesClass 4 · LimitedFinal report
Date
July 14, 2025, 10:15 local (16:15 UTC)
Place
Hurricane, UT · airport/runway
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N630JMRotorsport UK Rotorsport UK Cavalon
Defining event
Takeoff: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report May 14, 2026
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
20250714015709A
Case key
200631

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 failure to maintain pitch control during takeoff, which resulted in an unintended liftoff from the runway and a subsequent loss of control.

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.

Performance/control parameters: pitch controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedRotorsport UK ROTORSPORT UK CAVALO: 1 caseAll aircraft: 526 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 student pilot reported that during the takeoff ground roll on the runway, about 35 knots, the pilot moved the control stick slightly forward from the aft position and allowed the nose wheel to rise slightly above the surface, while he increased the throttle setting to 75%. As the gyroplane reached about 70 knots, it started to veer to the left and shudder, so the pilot slightly decreased the throttle setting. As the pilot approached the end of the runway, the pilot increased the throttle setting and maintained the control stick position. Subsequently, the gyroplane pitched up and rolled onto its right side. The gyroplane impacted the ground and slid to a stop on its right side within the runway safety area. The gyroplane sustained substantial damage to the drivetrain. The pilot reported that there were no preaccident mechanical failures or malfunctions with the gyroplane that would have precluded normal operation. The pilot added that during the takeoff, he should have held the aft position of the control stick to maintain the rotor RPM or aborted the takeoff earlier.

Aircraft

Registration
N630JM
Reported as
Rotorsport UK Rotorsport UK Cavalon
Category
Gyroplane
Serial number
RSUK-V00453
Built
2020
Airframe hours
293.28
Engine
Rotax MML-915 iSA, 141 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Cedar Creek Aviation LLC
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · July 11, 2025 · 4.5 hours before
Destination
Same as departure
Airport
1L8 · General Dick Stout Fld, runway 19, 3,282 × 60 ft, asphalt
Equipment
Electronic primary flight display, Electronic multifunction display, ADS-B, Onboard weather

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
75
Injuries
Minor
Certificate
Student
Medical
Sport pilot, Without waivers/limitations
Last flight review
July 12, 2025
Seat
Right
Restraint
3-point
Flight hours
295.13 total · 262.43 in this make and model · 295.13 as pilot in command · 6.08 in the last 90 days · 6.08 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
270° at 10 knots, gusting 15
Visibility
10 statute miles
Lowest ceiling
None
Temperature
97 °F, dew point 32 °F
Altimeter
30.17 inHg
Observed at
KAZC, 18 nm away
METAR
KAZC 141735Z AUTO 27010G15KT 10SM CLR 36/00 A3017 RMK AO2

Docket · 3

The files NTSB released with the investigation on May 14, 2026, on NTSB’s docket system: statements, records, photos and specialists’ reports. 4.2 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.