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CEN23LA386

2023-08-20 · Granbury, Texas, United States · Serious · 1 aircraft · Status: Completed

Airport 0TX1

Current FAA registration · N57AR

Make / Model
SILVERLIGHT AVIATION LLC AR-1
Year of manufacture
2021 · 2 years old at event
Engine
ROTAX 912ULS SERIES (100 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
20211215
ADS-B equipped
Yes — Mode-S A74C20

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The pilot’s improper takeoff procedure which resulted in a loss of control during takeoff.

Factual narrative

According to two witnesses, the pilot of the gyroplane started his takeoff roll with the rotor in a horizontal position. Both witnesses stated that the gyroplane’s take off roll was longer than usual. When the pilot pitched the rotor up, the gyroplane pitched up, climbed about 30 to 40 ft above the ground, rolled to the left, and subsequently impacted the runway. The left main landing gear separated from the gyroplane after impacting the runway, and the gyroplane departed the runway to the left. The gyroplane came to rest about 1,400 ft from its departure point. The pilot was seriously injured. During the runway excursion, the gyroplane’s rotor impacted the ground resulting in substantial damage to the rotor, horizontal stabilizer, vertical stabilizer, and rudder. The pilot stated via telephone that there were no mechanical malfunctions or failures that would have precluded normal operation. The pilot did not provide an NTSB Form 6120.1 Pilot/Operator Aircraft Accident/Incident Report. According to FAA-H-8083-21 Rotorcraft Flying Handbook, “The normal takeoff for most amateur-built gyroplanes is accomplished by prerotating to sufficient rotor r.p.m. to prevent blade flapping and tilting the rotor back with cyclic control. Using a speed of 20 to 30 m.p.h., allow the rotor to accelerate and begin producing lift. As lift increases, move the cyclic forward to decrease the pitch angle on the rotor disc.” It is likely the pilot did not position the rotor at the appropriate pitch angle to allow the main rotor to reach sufficient takeoff rpm before attempting to takeoff. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

FAA avdata. C = Cause, F = Factor.

  • — Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot
  • — Aircraft-Aircraft oper/perf/capability-Aircraft capability-Climb capability-Not attained/maintained

Verbatim from NTSB's published report. Source file NTSB_2023_CEN23LA386.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

Matched on aircraft type or causal vocabulary (loss of control, runway excursion). All research papers