NTSB investigations
115 cases where NTSB found Performance calculations.
Cases per year
| 2008 | 9 |
|---|---|
| 2009 | 3 |
| 2010 | 6 |
| 2011 | 9 |
| 2012 | 10 |
| 2013 | 8 |
| 2014 | 5 |
| 2015 | 6 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 2 |
| 2023 | 10 |
| 2024 | 3 |
| 2025 | 4 |
| 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\", '02061010')) 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", '02061010')) 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 WPR26LA267Accident · Minor injuriesClass 4 · LimitedFinal reportRans S7 · Kemmerer, WYThe pilot’s decision to perform a take-off in high-density-altitude, gusting-crosswind conditions, which resulted in an aerodynamic stall, hard landing and subsequent nose-over.NTSB WPR25LA308Accident · Serious injuriesClass 4 · LimitedFinal reportThomas Graham Teenie Two · Chehalis, WAThe pilot's improper decision to take off with the airplane over its maximum allowable gross weight, which degraded its climb performance and led to a subsequent off airport landing.NTSB ANC25LA095Accident · No injuriesClass 4 · LimitedFinal reportHelio H-395 · Pilot Point, AKThe pilot's inadequate takeoff performance planning, which resulted in a runway excursion and collision with terrain.NTSB CEN25LA231Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Lockport, LAThe pilot’s inadequate planning for the high density altitude conditions which resulted in reduced airplane performance, climb capability, and subsequent forced landing.NTSB ERA25LA212Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-602 · Fremont, OHThe pilot’s inadequate takeoff performance planning, which resulted in a runway overrun and collision with terrain.NTSB WPR25LA034Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Durkee, ORThe pilot's inadequate performance planning, which resulted in insufficient engine power to transition into an out-of-ground-effect hover at a high gross weight.NTSB ANC24LA098Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Fairbanks, AKThe pilot’s failure to maintain a rate of climb sufficient to clear obstacles during takeoff, resulting in a collision with obstacles and a subsequent aerodynamic stall.NTSB ERA24LA197Accident · No injuriesClass 4 · LimitedFinal reportBeech F35 · McAlpin, FLThe pilot’s inadequate preflight planning and failure to abort the takeoff at the predetermined decision point.NTSB OPS24LA011Incident · No injuriesClass 4 · LimitedFinal reportDiamond Aircraft Ind DA20-C1 · North Las Vegas, NVThe local controller’s loss of situational awareness, inadequate provision of traffic advisory or safety alert information, and lack of positive control, that resulted in a near-midair collision.NTSB WPR24FA035Accident · 2 fatalClass 3 · FieldFinal reportCessna 172G · Provo, UTThe pilot's exceedance of the airplane's critical angle of attack during a chandelle maneuver, which resulted in an aerodynamic stall and descent into trees and terrain. Contributing to the accident was the pilot’s decision to maneuver into a canyon and…NTSB WPR24LA022Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Bandera, WAThe pilot’s decision to land at a closed water-soaked grass runway, which resulted in a runway excursion.NTSB WPR24FA014Accident · 3 fatalClass 3 · FieldFinal reportPiper PA-28-140 · Williams, AZThe pilot’s failure to maintain sufficient airspeed and exceedance of the airplane’s critical angle of attack during initial climb after takeoff, resulting in an aerodynamic stall. Contributing was the pilot’s inadequate preflight airplane performance…NTSB ERA24FA001Accident · 2 fatalClass 3 · FieldFinal reportCessna 177RG · Lake Placid, NYA partial loss of engine power for undetermined reasons. Contributing to the accident was the pilot’s inadequate preflight weight and balance planning and his aggressive low altitude maneuvering, which resulted in an aerodynamic stall and loss of control.NTSB WPR23LA338Accident · Serious injuriesClass 3 · LimitedFinal reportBell 212 · Balch Camp, CAThe pilot’s inadequate performance planning for the operation that resulted in an excessive gross weight for the operating conditions, leading to a loss of altitude during maneuvering and contact with trees. Contributing to the accident was the pilot’s…NTSB WPR23LA334Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Prescott, AZThe pilot-in-command’s inadequate preflight planning for the high density altitude and relative humidity conditions and his failure to recognize the need to reject the takeoff, allowing the student pilot to execute an abnormally long takeoff roll and apply…NTSB WPR23FA296Accident · 1 fatalClass 3 · FieldFinal reportCessna T206H · Yellow Pine, IDThe pilot’s decision to perform a go-around into rising mountainous terrain. Contributing to the accident was the pilot’s failure to follow published airport guidance about go-arounds, and landings and takeoffs with unfavorable winds.NTSB WPR23LA282Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-28-140 · Elko, NVThe pilot’s failure to ensure adequate airplane performance before taking off from a significantly shorter runway than originally planned for.NTSB ERA23FA235Accident · No injuriesClass 3 · FieldFinal reportHonda HA-420 · Summerville, SCThe pilot’s improper calculation of the airplane’s landing approach speed and required landing distance, which resulted in the airplane touching down fast with inadequate runway available, and a subsequent runway excursion.NTSB WPR22LA320Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 152 · Ione, CAThe flight instructor’s delayed decision to abort the takeoff, which resulted in impact with a fence and a tree. Contributing to the accident was the instructor’s decision to land at the unfamiliar airstrip without determining whether it was within the…NTSB CEN22LA390Accident · No injuriesClass 4 · LimitedFinal reportAero Commander 100-180 · Pueblo, COThe flight instructor’s failure to maintain adequate airspeed during the demonstrated soft-field takeoff, which led to the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.NTSB ANC21LA079Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Pelican, AKThe pilot’s improper preflight planning to ensure adequate power to hover out-of-ground effect while conducting external load operations.NTSB WPR21LA341Accident · No injuriesClass 4 · LimitedFinal reportRobinson R44 · Camp Verde, AZThe pilot's inadequate preflight performance calculations which resulted in an aborted takeoff and collision with trees.NTSB CEN21FA377Accident · 2 fatalClass 3 · FieldFinal reportAeronca 7AC · Fort Worth, TXThe pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall. Contributing to the accident was the pilot’s inadequate preflight planning, which resulted in an exceedance of the airplane’s…NTSB WPR21LA319Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28-140 · Panguitch, UTThe airplane’s inability to maintain altitude during the initial climb due to a degradation in the airplane’s performance due to high-density altitude conditions. Contributing to the accident was the pilot’s failure to conduct preflight performance planning…NTSB ERA21LA271Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 150 · Bentleyville, PAThe flight instructor and student pilot’s inadequate preflight performance planning which resulted in a takeoff attempt with insufficient available runway, a loss of control, and impact with terrain.NTSB WPR21LA239Accident · No injuriesClass 4 · LimitedFinal reportMooney M20J · West Glacier, MTThe pilot’s inadequate performance planning and decision to continue the takeoff which, resulted in a runway overrun and collision with terrain.NTSB ERA21LA173Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-23-250 · Springfield, TNThe flight instructor’s failure to abort the takeoff following a loss of left engine power due to fuel starvation. Also causal was the inadequate maintenance of the left fuel cap by unknown maintenance personnel, which resulted in a blockage of the fuel…NTSB WPR21LA110Accident · No injuriesClass 3 · LimitedFinal reportDassault FALCON900EX · San Diego, CAThe flight crew’s operation of the airplane outside of the manufacturer’s specified weight and balance limitations and with an improper trim setting, which resulted in the airplane’s inability to rotate during the attempted takeoff. Contributing to the…NTSB CEN21LA029Accident · No injuriesClass 4 · LimitedFinal reportCessna 172 · Geuda Springs, KSThe pilot’s failure to determine the airplane’s takeoff performance from an off-airport field which resulted in an aborted takeoff and impact with a fence and terrain. Contributing to the accident was the delayed aborted takeoff.NTSB CEN21FA007Accident · 2 fatalClass 3 · FieldFinal reportBeech S35 · Telluride, COThe pilot’s loss of control during the climb to cruise flight resulting in the airplane’s impact with terrain. Contributing to the accident was the pilot’s decision to not climb to a higher altitude before proceeding over high terrain.NTSB ERA20LA288Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 170 · Ardmore, TNThe pilot’s inadequate preflight planning and his decision to depart from a constrained, grass-covered field in elevated-density altitude conditions, which resulted in reduced takeoff and climb performance and a subsequent forced landing.NTSB ERA20LA274Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32RT · Honesdale, PAThe pilot’s premature rotation for takeoff, which resulted in a tail strike and subsequent runway excursion. Contributing to the accident was the pilot’s inadequate preflight planning, which failed to accurately determine and account for the effects of…NTSB CEN20LA321Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28R · Seiling, OKThe pilot’s incorrect takeoff performance calculations and delayed aborted takeoff, which resulted in a runway excursion and collision with trees.NTSB CEN20CA307Accident · Serious injuriesClass 4 · Data collectionFinal reportVans Vans RV 6 · Imperial, NEThe pilot's inadequate preflight performance planning and his decision not to utilize all available runway during high density altitude operations which led to an inflight loss of control and subsequent collision with terrain.NTSB WPR20CA221Accident · No injuriesClass 4 · Data collectionFinal reportQuickie Q2 · Preston, IDThe pilot's failure to maintain airplane control during takeoff in high density altitude conditions, which resulted in a collision with terrain. Contributing to the accident was the pilot's failure to accomplish performance calculations for the atmospheric…NTSB WPR20CA159Accident · No injuriesClass 4 · Data collectionFinal reportGrumman G164 · Maxwell, CAThe pilot's delayed decision to abort the takeoff when the airplane was not attaining sufficient airspeed for takeoff and subsequently departed the end of the runway and collided with terrain. Contributing to the accident was the pilot's inadequate preflight…NTSB CEN20TA031Accident · No injuriesClass 3Final reportBeech 36 · Spring Branch, TXThe pilot's inadequate preflight performance planning and his operation of the airplane outside of the manufacturer's specified weight and balance limitations, which resulted in a failure of the airplane to become airborne, an aborted takeoff, and subsequent…NTSB WPR19FA266Accident · 2 fatalClass 3 · FieldFinal reportAmerican AA5 · Cowles, NMThe pilot's decision to fly into terrain that exceeded the performance capabilities of the airplane, which resulted in failure to maintain clearance from trees and terrain.NTSB GAA19CA496Accident · No injuriesData collectionFinal reportCessna TU206 · Regina, NMThe pilot's improper preflight performance planning for a high-density altitude takeoff from a short, dirt airstrip, which resulted in impact with terrain.NTSB WPR19LA223Accident · Serious injuriesClass 3 · LimitedFinal reportBeech 35 · Ruidoso, NMThe airplane’s inability to maintain altitude during the initial climb due to a degradation in the airplane’s performance as a result of high-density altitude conditions at the time of takeoff. Contributing to the accident were the pilot’s inadequate…NTSB CEN19LA173Accident · Minor injuriesClass 3 · LimitedFinal reportJust Highlander · Quinlan, TXThe pilot's decision to depart with minimal runway available and his improper soft-field takeoff procedure, which resulted in impact with trees due to a slow airspeed and settling effect during climb out.NTSB GAA19CA281Accident · No injuriesData collectionFinal reportCessna 340 · Carvers, NVThe pilot’s failure to accurately assess the available runway for the takeoff, which resulted in impact with a gravel berm.NTSB GAA19CA098Accident · No injuriesData collectionFinal reportCessna 170 · Riggins, IDThe pilot's improper preflight performance planning and his subsequent failure to attain sufficient speed for the airplane to climb with a tailwind.NTSB GAA18CA571Accident · No injuriesData collectionFinal reportEurocopter AS350 · Ruidoso, NMThe pilot's failure to maintain the proper descent rate during landing. Contributing to the accident were the pilot’s failure to conduct preflight performance calculations, which resulted in his operating the helicopter in high-density altitude conditions,…NTSB CEN18TA374Accident · Minor injuriesFinal reportBeech 35 · Harrisville, MIThe pilot’s delayed decision to abort the takeoff, which resulted in the loss of lateral control of the airplane and collision with trees at the end of the runway. Contributing to the accident was the pilot’s decision to depart with a center of gravity…NTSB ERA18LA158Accident · No injuriesClass 3 · LimitedFinal reportBellanca 7ECA · Warsaw, KYThe pilot’s inadequate preflight performance planning, and his delayed decision to abort the takeoff, which resulted in a ground loop.NTSB ERA17LA311Accident · No injuriesLimited investigationFinal reportPiper PA32R · Merritt Island, FLThe pilot's inadequate preflight planning and improper takeoff technique, which resulted in an exceedance of the airplane's critical angle of attack and an aerodynamic stall.NTSB WPR17LA195Accident · 1 fatalLimited investigationFinal reportWalker Edgar E Glastar · Cascade, IDThe pilot's inadequate flight planning, preparation, and navigation, which resulted in the airplane entering a canyon that the pilot was unable to exit by climbing the airplane. Also causal were his in-flight decision-making and his execution of the course…NTSB ERA17LA286Accident · Minor injuriesClass 3 · LimitedFinal reportAir Tractor AT 402A · Shaw, MSThe pilot’s decision to attempt takeoff at high gross weight, in high density altitude conditions, and with insufficient runway length. Contributing to the accident was the pilot’s inadequate preflight planning.NTSB WPR17LA183Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA 28R-200 · West Jordan, UTThe pilot's failure to account for operation at high density altitude at or near the airplane’s maximum gross weight, which led to degraded engine performance and prevented the airplane from achieving an adequate airspeed for a positive rate of climb,…