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Atlas / NTSB / WPR25LA209

NTSB CAROL · Event

Event WPR25LA209

2025-07-11 Colorado City, Arizona, United States None 1 aircraft Status: Completed

Registry · N209ZM

FAA Aircraft Registry record.

Make / Model

PIPISTREL ITALIA S R L ALPHA TRAINER

Year of manufacture

2018 · 7 years old at event

Engine

ROTAX 912UL SERIES (80 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20190704

ADS-B equipped

Yes — Mode-S A1B5BD

Registrant of record

ELEMENTAL AVIATION LC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The pilot’s exceedance of the airplane’s never-exceed speed (VNE) during maneuvering, which resulted in the in-flight separation of the left flaperon.

Factual narrative

The pilot reported that during a steep turn maneuver, the airplane pitched down and accelerated rapidly. The pilot stated that the airplane exceeded the never-exceed speed (VNE) and encountered aerodynamic buffeting, which resulted in the in-flight separation of the outboard portion of the left flaperon and substantial damage to the left wing. The pilot reported no preaccident mechanical failures or malfunctions that would have precluded normal operation. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).

  • Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Airspeed-Capability exceeded
  • Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot
  • Aircraft-Aircraft structures-Wing structure-Ailerons-Damaged/degraded

Verbatim from NTSB's published report. Source file NTSB_2025_WPR25LA209.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.