NTSB investigations, 1999
101 cases where the first occurrence was “In flight encounter with weather”.
Cases per year
| 1982 | 244 |
|---|---|
| 1983 | 255 |
| 1984 | 241 |
| 1985 | 209 |
| 1986 | 207 |
| 1987 | 176 |
| 1988 | 158 |
| 1989 | 187 |
| 1990 | 154 |
| 1991 | 143 |
| 1992 | 121 |
| 1993 | 98 |
| 1994 | 74 |
| 1995 | 114 |
| 1996 | 110 |
| 1997 | 94 |
| 1998 | 110 |
| 1999 | 101 |
| 2000 | 99 |
| 2001 | 75 |
| 2002 | 85 |
| 2003 | 122 |
| 2004 | 115 |
| 2005 | 100 |
| 2006 | 87 |
| 2007 | 88 |
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 year(c.\"eventDate\") = 1999
AND c.\"mKey\" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 240)
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 year(c."eventDate") = 1999 AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 240) 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 SEA00LA034Accident · No injuriesLimited investigationFinal reportCessna 182S · Kennewick, WAThe pilot's decision to continue flight into known icing conditions, and his subsequent failure to maintain adequate airspeed on final approach, resulting in a hard landing. Factors included: icing conditions; the pilot's improper decision to continue to his…NTSB DEN00LA031Accident · Serious injuriesLimited investigationFinal reportLuscombe 8E · San Luis, COThe pilot's inadequate in-flight decision, and the subsequent inadvertent stall/mush. Factors were the pilot's lack of total experience in mountain flying, the high density altitude, and downdraft weather conditions.NTSB ATL00LA018Accident · Serious injuriesLimited investigationFinal reportCessna 208B · Adjuntas, PRThe pilot continued flight into adverse weather conditions that included low ceiling and turbulence. Factors to the accident were trees.NTSB MIA00FA058Accident · 2 fatalField investigationFinal reportAero Commander 500 · Georgetown, SCThe noninstrument-rated pilot's improper decision to attempt VFR flight into known instrument flight conditions, willful disregard of FAA Automated Flight Service Station weather forecast/weather observations, failure to maintain airspeed (VSO) while…NTSB ANC00FA018Accident · 6 fatalField investigationFinal reportCessna 207 · Bethel, AKThe pilot's continued VFR flight into instrument meteorological conditions. Factors associated with the accident were low ceilings, fog, and snow-covered terrain.NTSB MIA00FA029Accident · 2 fatalField investigationFinal reportHughes 369HS · Helena, ALThe pilots continued visual flight rules flight into instrument meteorological conditions resulting in his becoming spatially disoriented and loosing control of the helicopter, which resulted in an uncontrolled descent and impact with the ground.NTSB MIA00LA028Accident · No injuriesLimited investigationFinal reportCessna 172N · Defuniak Spgs, FLWas the pilot's failure to obtain a proper weather briefing resulting in his encounter with fog, his having to make a precautionary landing in a field when the aircraft became low on fuel, and the on ground collision with trees during landing roll.NTSB ANC00LA013Accident · No injuriesLimited investigationFinal reportMaule M7-235C · Palmer, AKThe pilot's intentional takeoff into known adverse weather. Factors associated with this accident are crosswinds, gusts, and downdrafts.NTSB DEN00FA135Accident · 2 fatalField investigationFinal reportBellanca 17-30 · Lake City, COthe pilot's inadequate flight planning and preparation, and his inadvertent flight into adverse weather during a cross-country flight over mountainous terrain. Contributing factors were, the cloudy obscuration weather condition, the high density altitude, and…NTSB FTW00LA026Accident · No injuriesLimited investigationFinal reportWaco KNF · Midway, ARThe inability of the pilot to maintain control of the airplane as a result of a downdraft.NTSB ANC00LA009Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Russian Mission, AKThe pilot's continued flight into adverse weather, and an inadvertent stall. Factors in the accident were adverse weather consisting of icing conditions, and airframe icing.NTSB ANC00LA008Accident · No injuriesLimited investigationFinal reportCessna 207 · Bethel, AKThe pilot's inadequate evaluation of the weather, and his decision to initiate flight into adverse weather conditions. Factors in the accident were adverse weather consisting of low ceilings and icing conditions, inadequate supervision by company management,…NTSB ANC00LA011Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Seward, AKThe pilot's inadequate compensation for wind conditions. Factors associated with the accident were a crosswind, and a downdraft.NTSB LAX00FA017Accident · 2 fatalField investigationFinal reportCessna 152 · Ventura, CAthe pilot's continued VFR flight into IMC. Contributing factors were the pilot's self induced pressure to depart the airport before the weather worsened and the airport closed, and the mountain obscurement and foggy weather conditions, and the night light…NTSB LAX00LA009Accident · No injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Waialua, HIThe pilot's delay in recognizing the onset of a wind direction change resulting in the downward flow of wind on the leeward side of the mountain (strong sink rate).NTSB DEN00LA002Accident · Serious injuriesLimited investigationFinal reportPiper PA-24-250 · La Junta, COThe pilot-in-command's failure to maintain a proper altitude during final approach to landing, and his misjudgment of altitude clearances. Factors were the sudden windshift, downdraft and turbulent weather conditions, the dark night, and the pilot's lack of…NTSB NYC99LA240Accident · Serious injuriesLimited investigationFinal reportAirbus Industrie 319-131 · Sparta, NJThe airplane's encounter with clear air turbulence.NTSB ANC99LA149Accident · Minor injuriesLimited investigationFinal reportBellanca 7GCBC · Fairbanks, AKThe pilot's inadequate compensation for wind conditions. Factors in the accident were a windshear, and a short runway area.NTSB ANC99LA147Accident · No injuriesLimited investigationFinal reportCessna 185F · Pilot Point, AKThe pilot's inadequate compensation for wind conditions. Factors in the accident were the pilot's inadequate evaluation of the weather conditions, a downdraft, and swampy terrain.NTSB SEA99LA165Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · Eatonville, WAInadequate inflight planning/preparation and terrain clearance not maintained. Mountainous terrain, cloudy conditions and delayed remedial action are factorsNTSB LAX99LA323Accident · Serious injuriesLimited investigationFinal reportAirbus Industrie A-320-231 · Beatty, NVthe failure of the injured passengers to remain seated with their seat belts fastened as directed by the captain.NTSB ANC99FA139Accident · Serious injuriesField investigationFinal reportEurocopter AS-350B-2 · Juneau, AKThe pilot's continued flight into instrument meteorological conditions (IMC), and inadequate altitude/clearance. Factors associated with the accident were flat light and whiteout conditions, snow, and snow-covered terrain. An additional factor was the FAA's…NTSB ATL99TA126Accident · No injuriesFinal reportHughes OH-6A · Hernando, MSThe in-flight encounter with weather that resulted in the loss of tail rotor control. The pilot failed to maintain directional control and the helicopter collided with the ground.NTSB DEN99LA156Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-180 · Peyton, COThe pilot's loss of control resulting in inadvertent stall/mush during initial climb following takeoff. Factors were the unfavorable, sudden windshift conditions, the high density altitude, and the manufacturer's failure to provide adequate density altitude…NTSB LAX99LA288Accident · Minor injuriesLimited investigationFinal reportWirth Avid Flyer · Schellville, CAThe pilot's encounter with wind shear and a downdraft which precipitated his loss of airplane control.NTSB SEA99FA150Accident · 4 fatalField investigationFinal reportCessna 182E · Ryegate, MTThe pilot's continued VFR flight into IMC conditions and his failure to maintain clearance from mountainous terrain. Factors include low ceilings and inadequate in-flight planning.NTSB NYC99FA214Accident · 4 fatalField investigationFinal reportCessna 172N · Dyke, VAThe pilot's inadvertent flight into instrument meteorological conditions, which resulted in his inability to see the rapidly rising terrain. A factor was the pilot's inaccurate evaluation of the weather.NTSB LAX99LA285Accident · No injuriesLimited investigationFinal reportBurkhart Grob G 103 Twin II · Llano, CAThe pilot's encounter with a sudden and violent dust devil, which caused the student pilot to lose control of the aircraft during the landing flare/touchdown.NTSB ANC99LA123Accident · Minor injuriesLimited investigationFinal reportBellanca 8GCBC · Wasilla, AKThe pilot's inadequate compensation for wind conditions. Factors associated with the accident were variable winds, and a downdraft.NTSB LAX99LA280Accident · No injuriesLimited investigationFinal reportPiper PA-18-18 · Eagleville, CAThe pilot's encounter with a thunderstorm induced downdraft, which resulted in a high rate of sink, at an altitude insufficient to provide for recovery prior to ground impact. The high density altitude was a factor in the accident.NTSB ANC99LA118Accident · No injuriesLimited investigationFinal reportCessna 206 · Anaktuvuk Pass, AKThe pilot's continued flight into adverse weather conditions after becoming lost/disoriented. Factors in the accident were rising terrain, a blind/box canyon, and weather conditions consisting of clouds, rain, and fog.NTSB LAX99FA273Accident · Serious injuriesField investigationFinal reportBalloon Works Firefly 11 · Cave Creek, AZAn unforecast encounter with a low level microburst that resulted in a distortion of the balloon envelope, an excessive outflow of hot air (loss of lift), creating an excessive rate of descent that was beyond the performance capability of the balloon to…NTSB NYC99GA197Accident · Minor injuriesFinal reportBell 407 · Georgetown, DEThe pilot's improper preflight evaluation of the weather, which resulted in inadvertent flight into IMC. Factors were the fog, and night conditions.NTSB NYC99FA199Accident · 3 fatalField investigationFinal reportCessna P210N · Worcester, VTThe pilot's inadequate in-flight planning/decision, his failure to follow the published instrument departure procedure for the particular runway, and his continued flight into known adverse weather. A factor was thunderstorms.NTSB NYC99FA198Accident · 2 fatalField investigationFinal reportCessna 210 · Mount Pocono, PAThe pilot's continued VFR flight into instrument meteorological conditions and his failure to maintain aircraft control. A related factor was the fog.NTSB CHI99FA290Accident · 4 fatalField investigationFinal reportPiper PA-28-181 · Paw Paw, MIthe pilot flew into known adverse weather, the pilot's lack of total instrument flight experience, and the pilot exceeded the design limits of the airplane. Factors included the pilot's total lack of experience in the type of operation and the pilot's…NTSB FTW99LA219Accident · Serious injuriesLimited investigationFinal reportGrumman American AA-5A · Wayton, ARThe pilot's inadequate compensation for wind conditions, and his failure to maintain clearance with trees during a go-around. Factors were the gusty wind condition, and the high density altitude. Factors associated with the accident were gusty winds, and a…NTSB MIA99LA218Accident · Minor injuriesLimited investigationFinal reportCessna 150G · Greeneville, TNThe pilot's failure to remain clear of clouds while operating under visual flight rules resulting in the aircraft colliding with trees on rising terrain as he flew in the clouds.NTSB ANC99FA106Accident · 2 fatalField investigationFinal reportCessna 180A · Kenai, AKThe pilot's intentional visual flight into known adverse weather. Factors associated with this accident were the reported low ceilings, obscuration, high winds, and turbulence.NTSB FTW99LA197Accident · Serious injuriesLimited investigationFinal reportPiper PA-25-235 · Fabens, TXThe pilot's inadvertent flight into adverse weather conditions. A factor was the windshear weather conditions.NTSB DEN99FA123Accident · 2 fatalField investigationFinal reportPiper PA-32R-301T · Magdalena, NMThe pilot's inadvertent flight into adverse weather and the subsequent in-flight breakup. Factors were the pilot's lack of experience in high altitude flying and the thunderstorm.NTSB SEA99FA126Accident · 2 fatalField investigationFinal reportCessna T-337 G-P · Snoqualmie Pass, WAThe pilot's failure to maintain clearance from mountainous terrain while maneuvering below low ceilings. Factors include low ceilings and inadequate in-flight planning.NTSB CHI99FA238Accident · 2 fatalField investigationFinal reportPiper PA-28-181 · Yorkville, ILthe pilot continuing into known adverse weather conditions, attempting low altitude flight, and not maintaining terrain clearance. Factors to the accident were the thunderstorm and the improper weather evaluation by the pilot following pre-departure and…NTSB IAD99FA052Accident · Serious injuriesField investigationFinal reportBoeing 737-824 · Atlantic Ocean (Atlantic Ocean)the aircrew's inadvertent encounter with unforecast clear air turbulence.NTSB DEN99FA114Accident · 2 fatalField investigationFinal reportCessna 182J · La Veta, COThe pilot's inadvertent flight into instrument meteorological conditions and his failure to maintain control of the aircraft. Factors were low ceiling and the pilot's lack of instrument experience.NTSB CHI99LA207Accident · No injuriesLimited investigationFinal reportPiper J-3C · Independence, IAThe insufficient information from the weather forecast resulting in an in-flight encounter with turbulence/gusts and the subsequent precautionary landing. Contributing factors were the gusty/turbulent conditions and the terrain condition (crop).NTSB FTW99LA207Accident · Serious injuriesLimited investigationFinal reportBoeing 737-3H4 · Lafayette, LAThe pilot's inadvertent flight into an adverse weather condition. A factor was the turbulence.NTSB CHI99FA196Accident · 1 fatalField investigationFinal reportBeech C-23 · Mandan, NDthe pilot failed to maintain aircraft control on approach to the airport after encountering high winds, gusts, rain, and thunderstorms in the area.NTSB MIA99FA188Accident · 2 fatalField investigationFinal reportBeech C90 · Munson, FLThe poor in-flight weather evaluation by the pilot-in-command and his operation of the airplane at an indicated airspeed greater than the design maneuvering speed (Va) in a thunderstorm contrary to the pilot's operating handbook resulting in an in-flight…NTSB LAX99LA228Accident · No injuriesLimited investigationFinal reportLet Blanik L-13 · Barstow, CAThe loss of thermal lift that resulted in a forced landing and the pilot's improper glide path that resulted in a collision with a light pole.