NTSB investigations
25 cases where NTSB found Glassy surface.
Cases per year
| 2008 | 3 |
|---|---|
| 2009 | 3 |
| 2012 | 1 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 1 |
| 2017 | 2 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1 WHERE c.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '03023025')) ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '03023025')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ERA26LA277Accident · No injuriesClass 4 · LimitedFinal reportRans S-6-S · Morgan, VTThe pilot’s failure to maintain control of the airplane during takeoff, resulting in an aerodynamic stall and impact with water.NTSB ERA26LA075Accident · No injuriesClass 4 · LimitedFinal reportAviat A-1C-200 · Hawthorne, FLThe pilot’s failure to maintain an appropriate descent rate for a glassy water landing, which resulted in a hard landing.NTSB CEN25LA211Accident · No injuriesClass 4 · LimitedFinal reportCessna U206 · Falun, WIThe pilot experiencing the featureless terrain illusion during the approach which gave the perception that the airplane was at a higher altitude over the glassy water surface than it was, resulting in the airplane impacting the water.NTSB ANC25LA057Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Trapper Creek, AKThe pilot’s improper flare while landing on glassy water, which resulted in a hard landing.NTSB WPR25LA036Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 180 · Owinza, IDThe pilot’s failure to maintain clearance from the water during a low pass over a lake.NTSB ERA22LA402Accident · Serious injuriesClass 4 · LimitedFinal reportCessna U206G · Millinocket, METhe pilot’s failure to maintain an appropriate descent rate for a glassy water landing, which resulted in a hard landing.NTSB ANC21LA081Accident · No injuriesClass 4 · LimitedFinal reportDehavilland DHC-2 MK. I(L20A) · Kodiak, AKThe pilot’s improper landing flare, which resulted in a hard landing and nose over.NTSB GAA20CA007Accident · No injuriesData collectionFinal reportDe Havilland Beaver DHC 2 · Kodiak, AKThe pilot's failure to maintain lateral control while landing on glassy water, which resulted in the left float touching the water, a loss of yaw control, and impact with a riverbank.NTSB ERA19LA229Accident · Serious injuriesClass 3 · LimitedFinal reportProgressive Aerodyne Searey · Crescent, FLThe pilot’s misjudgment of his altitude during landing and subsequent decrease in pitch attitude, which resulted in a collision with the water.NTSB GAA17CA475Accident · No injuriesData collectionFinal reportCessna 180 · Willow, AKThe pilot’s improper landing flare while landing on water with glassy water conditions, which resulted in the airplane nosing over.NTSB GAA17CA474Accident · No injuriesData collectionFinal reportCessna 210 · Bettles, AKThe pilot's failure to maintain an appropriate glidepath during the approach to the runway over glassy water and in glaring sun conditions.NTSB ANC15CA024Accident · No injuriesData collectionFinal reportRobert M. Jones Zenith CH 701 · Palmer, AKThe pilot's excessive descent rate and subsequent hard landing during the landing flare/touchdown.NTSB CEN14LA492Accident · No injuriesLimited investigationFinal reportCampbell Super Bearhawk · Sault Ste Marie, MIThe pilot’s inadequate flare during landing on water with a glassy condition, which resulted in the airplane nosing over.NTSB ANC14CA057Accident · No injuriesData collectionFinal reportDehavilland Beaver DHC 2 · Illiamna, AKThe pilot's inadequate landing technique that resulted in a landing area overrun. Contributing was the glassy water conditions.NTSB ERA14CA209Accident · No injuriesData collectionFinal reportCessna T206H · Gilford, NHThe pilot misjudged the float equipped airplane's altitude while maneuvering above the surface of a lake, which resulted in a float inadvertently contacting the water. Contributing to the accident were the glassy water conditions and pilot's lack of recent…NTSB ANC13CA052Accident · No injuriesData collectionFinal reportCessna U206A · Fairbanks, AKThe pilot’s inadequate flare, which resulted in a nose-low impact with glassy water and a subsequent nose-over.NTSB ANC13CA053Accident · No injuriesData collectionFinal reportCessna U206G · King Salmon, AKThe pilot's inadequate airspeed control during a glassy water landing, which resulted in an excessive sink rate, and a hard landing.NTSB ERA13FA225Accident · 1 fatalField investigationFinal reportGrumman G-44 · Catskill, NYThe pilot’s misjudgment of the airplane’s altitude above the water and early flare for a landing on water with a glassy condition, which led to the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.NTSB ANC13FA001Accident · 1 fatalField investigationFinal reportGrumman G-44 · Aleknagik, AKThe pilot's decision to make multiple low passes over the glassy surface water, which resulted in an impact with the surface of the lake.NTSB ANC09CA097Accident · No injuriesData collectionFinal reportCessna 180J · Juneau, AKThe pilot's misjudged flare and loss of control during a glassy water landing.NTSB ANC09CA067Accident · No injuriesData collectionFinal reportCessna A185F · Skwentna, AKThe pilot's failure to recognize his proximity to the glassy water landing surface while flying in smoke haze, and his failure to maintain a proper descent rate during the landing approach.NTSB CEN09CA357Accident · No injuriesData collectionFinal reportAviat A1 · Garrison, MNThe pilot's improper flare, which resulted in a hard landing on the water and subsequent loss of control.NTSB LAX08LA281Accident · Minor injuriesLimited investigationFinal reportCessna TU206G · Groveland, CAThe pilot's failure to ensure that the landing gear was retracted prior to the water landing.NTSB DEN08LA071Accident · Minor injuriesLimited investigationFinal reportHiller UH-12E · La Porte, TXThe loss of tail rotor effectiveness. Contributing factors were the sudden windshift to a tailwind, and the pilot initiating a hovering turn in ground effect.NTSB DFW08CA084Accident · No injuriesData collectionFinal reportAir Tractor AT602 · Back Gate, ARThe pilot's failure to maintain directional control of the aircraft. A contributing factor was the wet, grass runway.