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Atlas / NTSB / WPR21LA367

NTSB CAROL · Event

Event WPR21LA367

2021-07-06 Roche Harbor, Washington, United States Airport · W39 None 1 aircraft Status: Completed

Registry · N456SB

FAA Aircraft Registry record.

Make / Model

QUEST AIRCRAFT COMPANY LLC KODIAK 100

Year of manufacture

2016 · 5 years old at event

Engine

P&W CANADA PT6A-34 (750 hp)

Seats / Engines

10 seats · 1 engine

Last airworthiness date

20161130

ADS-B equipped

Yes — Mode-S A589F8

Registrant of record

SURFBIRD AVIATION I LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The pilot’s failure to maintain bank control during the landing roll which resulted in the right wing impacting the water’s surface.

Factual narrative

The pilot of the amphibious-equipped airplane reported that, during a water landing the left wing lifted, and the right wing struck the water’s surface. The right-wing aileron was substantially damaged. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane 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-Lateral/bank control-Not attained/maintained
  • Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot

Verbatim from NTSB's published report. Source file NTSB_2021_WPR21LA367.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.