GAA18CA042
2017-11-11 · Burlington, Washington, United States · None · 1 aircraft · Status: Completed
Airport BVS
Aircraft involved
Probable cause & findings
The pilot’s unstabilized approach, which resulted in a hard, bounced landing and nose-over. Also causal to the accident was the pilot’s improper decision to land on a closed alternate grass landing area.
Factual narrative
The pilot of the amphibious, float-equipped airplane reported that, two days before a repositioning flight, he inspected the destination airport. He had planned to land on an alternate grass landing area, adjacent to an asphalt runway, and stop prior to a gravel driveway. He further reported that he noticed in the airport facility directory that the intended landing area was closed due to soft, wet conditions. The pilot reported that, during landing, he was "high and fast". He further reported that he landed "too far along to stop before the gravel drive". The airplane encountered the gravel driveway, bounced, and landed hard, resulting in a nose over. The airplane sustained substantial damage to the left wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The airport facility directory for the accident airport, in part stated: "[Alternate Grass Landing Area (AGLA)]: AGLA clsd 1 Nov-1 June. Gnd soft when wet. [Daylight] hrs only. Use of AGLA prohibited when Rwy 04-22 in use." It further stated: "Pilots use at own risk." The pilot of the amphibious, float-equipped airplane reported that, 2 days before a repositioning flight, he inspected the destination airport. He had planned to land on an alternate grass landing area, adjacent to an asphalt runway, and stop before reaching a gravel driveway. He further reported that he noticed in the airport facility directory (AFD) that the intended landing area was closed due to soft, wet conditions. The pilot reported that, during landing, he was "high and fast." He further reported that he landed "too far along to stop before the gravel drive." The airplane reached the gravel driveway, bounced, and then landed hard, and nosed over. The airplane sustained substantial damage to the left wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The AFD for the accident airport, in part, stated: "[Alternate Grass Landing Area (AGLA)]: AGLA clsd 1 Nov-1 June. Gnd soft when wet. [Daylight] hrs only. Use of AGLA prohibited when Rwy 04-22 in use….Pilots use at own risk." Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
FAA avdata. C = Cause, F = Factor.
- C Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot - C
- C Personnel issues-Action/decision-Info processing/decision-Decision making/judgment-Pilot - C
- — Environmental issues-Physical environment-Runway/land/takeoff/taxi surface-Soft surface-Effect on operation
- — Environmental issues-Physical environment-Runway/land/takeoff/taxi surface-(general)-Effect on operation
- C Environmental issues-Physical environment-Runway/land/takeoff/taxi surface-Soft surface-Decision related to condition - C
- C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Descent/approach/glide path-Not attained/maintained - C
Verbatim from NTSB's published report. Source file
NTSB_2017_GAA18CA042.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (unstabilized approach). All research papers
- Embry-Riddle Scholarly Commons 2023 · Conference paper Utilizing Deep Learning to Predict Unstabilized Approaches for General Aviation Aircraft
Unstabilized approaches pose a major hazard for general aviation aircraft. In the period from 2009 to 2019, 3,257 general aviation accidents occurred during the landing phase of flight in which loss o…
- NTSB Aircraft Accident Reports 2014 · Accident report Crash during a Nighttime Nonprecision Instrument Approach — UPS 1354
UPS Flight 1354 (A300-600F) Birmingham AL, August 14, 2013. Investigation of UPS 1354 crash short of runway 18 at Birmingham.