NTSB investigations, 1999

452 cases where the phase of flight was Enroute.

Cases per year

19622026
NTSB investigations, 1999 per year, 1962–2026: 35,883 cases
196218
196328
1964703
1965750
1966856
1967893
1968881
1969995
1970996
1971941
1972894
1973935
1974968
1975977
1976927
1977936
19781,018
1979968
1980873
1981881
1982786
1983734
1984747
1985704
1986693
1987616
1988656
1989590
1990548
1991574
1992542
1993533
1994498
1995506
1996511
1997466
1998467
1999452
2000451
2001396
2002407
2003415
2004380
2005390
2006325
2007353
2008256
2009309
2010269
2011287
2012309
2013280
2014258
2015295
2016324
2017275
2018340
2019348
2020248
2021323
2022312
2023322
2024368
2025348
2026234

Latest cases

Query with SQL
duckdb -csv -c "WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
    crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
    current_codes AS (
      SELECT e.case_mkey, TRY_CAST(e.\"tier1Number\" AS INTEGER) AS code,
        row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e.\"isDefiningEvent\", false) DESC, e.position) AS n
      FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
      WHERE e.aircrafts_position = 1 AND e.\"tier1Number\" GLOB '[1-9][0-9]*'
        AND (e.\"isDefiningEvent\" OR e.case_mkey IN (SELECT \"mKey\" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE \"isPre1982\"))
    ),
    phases AS (
      SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
      FROM current_codes WHERE n = 1
      UNION ALL
      SELECT o.case_mkey, 'older', o.\"phaseOfFlightCode\", w.main
      FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o.\"phaseOfFlightCode\"
      WHERE o.aircrafts_position = 1 AND o.\"occurrenceNumber\" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
    ),
    case_phases AS (
      SELECT p.*, c.\"eventDate\", c.\"highestInjuryLevel\" = 'Fatal' AS fatal, a.aircraft_model_code
      FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = p.case_mkey
      LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
      WHERE c.\"eventDate\" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
    )
  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 case_mkey FROM case_phases WHERE main = 400)
  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.

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…Dec 30, 1999 · N374TC · Substantial damageNTSB CHI00LA052Accident · Serious injuriesLimited investigationFinal reportCessna T210F · Indianola, IAloss of engine power for undetermined reason. A factor relating to this accident was the tree.Dec 28, 1999 · N6144R · DestroyedNTSB FTW00FA053Accident · 1 fatalField investigationFinal reportMooney M20K · Mcalester, OKThe pilot's failure to maintain aircraft control. Factors were the pilot's impairment (drugs), the deployed right speed brake, and the night conditions.Dec 27, 1999 · N5697N · DestroyedNTSB IAD00LA014Accident · Minor injuriesLimited investigationFinal reportPrudhomme Velocity RG 173 · Richmond, VAthe improper installation of the oil supply line to the propeller governor which resulted in a loss of lubrication, overtemperature, and a loss of engine power.Dec 26, 1999 · N242JP · Substantial damageNTSB NYC00LA061Accident · Minor injuriesLimited investigationFinal reportZielke RV-4 · Florence, NJFailure of one of the propeller blades. A factor was the necessity land across, rather than in alignment with, the furrowed terrain due to the nature of the emergency.Dec 25, 1999 · N8ZZ · Substantial damageNTSB 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.Dec 25, 1999 · N1941B · Substantial damageNTSB CHI00LA055Accident · No injuriesLimited investigationFinal reportBeech BE-35 · Mokane, MOfuel starvation due to the pilot's failure to make accurate fuel consumption calculations and the pilot's improper emergency procedures for engine re-start. A factor was the ditch.Dec 24, 1999 · N2012D · Substantial damageNTSB 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.Dec 23, 1999 · N1315A · DestroyedNTSB MIA00FA056Accident · 1 fatalField investigationFinal reportBeech E-90 · Beaufort, SCThe pilot-in-commands failure to maintain the appropriate altitude (minimum descent altitude) during an area surveillance radar (ASR) approach, resulting in an in-flight collision with swampy terrain. Contributing to the accident was the co-pilot's failure to…Dec 20, 1999 · N75CF · DestroyedNTSB LAX00LA052Accident · Minor injuriesLimited investigationFinal reportRhea KR-2 · Moreno Valley, CAAn undetected fuel leak from an improperly manufactured right tank into the internal wing spaces, which resulted in fuel exhaustion.Dec 18, 1999 · N77KR · Substantial damageNTSB FTW00FA046Accident · 1 fatalField investigationFinal reportGlobe GC-1B · Edgewood, TXthe pilot's failure to maintain aircraft control during a forced landing which resulted in a stall/spin. Contributing factors were the failure of the engine driven fuel pump, the engine manufacturer's use of an inadequate fuel pump which was only intended for…Dec 18, 1999 · N80951 · Substantial damageNTSB NYC00LA054Accident · No injuriesLimited investigationFinal reportMooney 20J · New Milford, CTFailure of 3 of the 4 connecting rods for an undetermined reason.Dec 17, 1999 · N43TP · Substantial damageNTSB CHI00LA048Accident · Minor injuriesLimited investigationFinal reportBeech 35 · Hanover, MIfuel starvation and the pilot's improper fuel tank selector position. A factor was the swampy terrain.Dec 17, 1999 · N5BB · Substantial damageNTSB MIA00LA051Accident · Minor injuriesLimited investigationFinal reportCessna 152 · Woodville, FLThe pilot's improper preflight planning resulting in loss of engine power due to fuel exhaustion and the collision with trees during a forced landing.Dec 15, 1999 · N460TC · Substantial damageNTSB FTW00LA044Accident · Minor injuriesLimited investigationFinal reportBeech F35 · Elk City, OKThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.Dec 14, 1999 · N3359C · Substantial damageNTSB DEN00LA027Accident · No injuriesLimited investigationFinal reportCessna 182R · Farmington, NMThe pilot's inadequate preflight planning, and his improper inflight decision to not land and refuel, which resulted in fuel exhaustion.Dec 14, 1999 · N9616H · Substantial damageNTSB CHI00LA046Accident · No injuriesLimited investigationFinal reportCessna 150B · Omaha, NEThe pilots failure to use carburetor heat during takeoff in weather conducive for serious carburetor ice. Factors were the weather that was conducive for carburetor icing and the presence of the truck that the aircraft impacted.Dec 14, 1999 · N7339X · Substantial damageNTSB SEA00FA031Accident · 1 fatalField investigationFinal reportMooney M20-M · Missoula, MTEngine failure for undetermined reasons. Factors include the lack of suitable terrain for an emergency landing, trees and mountainous terrain.Dec 12, 1999 · N270BB · DestroyedNTSB NYC00MA048Accident · 3 fatalMajor investigationFinal reportIsrael Aircraft Industries 1124A · Gouldsboro, PAThe improper assembly of the horizontal stabilizer trim actuator unit by maintenance personnel.Dec 12, 1999 · N50PL · DestroyedNTSB FTW00LA042Accident · No injuriesLimited investigationFinal reportKing Lancair 235/320 · Sterling City, TXThe fatigue fracture of the propeller attaching bolts, due to improper torque during the installation of the propeller by other maintenance personnel. A factor was the lack of suitable terrain for the forced landing.Dec 12, 1999 · N717SK · Substantial damageNTSB MIA00FA048Accident · 1 fatalField investigationFinal reportCessna U-3A · Brooksville, MSThe in-flight loss of control for undetermined reasons resulting in the collision with terrain.Dec 11, 1999 · N8063X · DestroyedNTSB LAX00LA043Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Scottsdale, AZThe pilot's failure to follow the manufacturer's published emergency procedures for engine loss of power resulting in a forced landing in an open construction area where the airplane collided with a berm. A related factor was the loss of engine power in the…Dec 11, 1999 · N27181 · Substantial damageNTSB 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.Dec 7, 1999 · N1747U · DestroyedNTSB FTW00LA040Accident · Serious injuriesLimited investigationFinal reportBell 206L-1 · Ship Shoal 225The loss of power for undetermined reasons. A factor was the rough water condition.Dec 5, 1999 · N600CK · Substantial damageNTSB MIA00LA039Accident · Minor injuriesLimited investigationFinal reportPitts S1C · Creedmore, NCThe pilot's failure to select the reserve position of the fuel tank resulting in loss of engine power due to fuel starvation and a nose over during a forced landing.Dec 4, 1999 · N177J · Substantial damageNTSB MIA00LA038Accident · No injuriesLimited investigationFinal reportMaule MX-7-160 · Palm Bch Garden, FLThe sailplane pilot's failure to comply with standard emergency procedures for 'sailplane release failure' upon its occurrence and his maneuvering of the sailplane while still tethered to the tow plane resulting in the inflight loss of control and engine…Dec 3, 1999 · N9235N · Substantial damageNTSB LAX00LA067Accident · No injuriesLimited investigationFinal reportPiper PA-28-181 · Palo Alto, CAThe failure of the pilot to properly calculate fuel consumption rate, and his improper in-flight planning to continue the flight to the destination airport instead of landing at a closer alternate airport. A factor was the pilot's inadequate aircraft control…Dec 2, 1999 · N4319Y · Substantial damageNTSB NYC00LA042Accident · Serious injuriesLimited investigationFinal reportSchempp-Hirth Discus A · Palmerton, PAThe pilot's improper decision to delay his landing. A factor related to the accident was the loss of thermal lift.Nov 28, 1999 · N117TB · Substantial damageNTSB IAD00LA008Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Olean, NYthe loss of engine power from water-contaminated fuel due to the pilot's inadequate preflight inspection.Nov 28, 1999 · N7407J · DestroyedNTSB FTW00LA038Accident · Serious injuriesLimited investigationFinal reportBeech BE35 · Stillwater, OKThe total loss of engine power due to the dry-rotted diaphragms in the pressure carburetor. A factor was the hilly terrain encountered during the forced landing.Nov 28, 1999 · N444D · Substantial damageNTSB MIA00FA030Accident · 2 fatalField investigationFinal reportBell 212 · Philadelphia, MSThe failure of the pilot and company maintenance personnel during preflight and periodic inspections to identify the signs of fretting and looseness in the "red" main rotor blade pitch change horn to main rotor blade grip attachment, resulting in the…Nov 27, 1999 · N8144M · DestroyedNTSB NYC00FA039Accident · 3 fatalField investigationFinal reportBeech S35 · Newark, NJThe pilot's failure to maintain aircraft control. Factors in the accident were failure of the horizontal situation indicator for undetermined reasons, and the pilot's use of inappropriate medication.Nov 26, 1999 · N8992M · DestroyedNTSB 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.Nov 25, 1999 · N395WM · DestroyedNTSB DEN00GA022Accident · No injuriesFinal reportBell 206 L-3 · Rifle, COa forced landing on rough, unsuitable terrain. A contributing factor was the partial loss of engine power, which resulted from improper maintenance by repair station personnel.Nov 24, 1999 · N617DE · Substantial damageNTSB 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.Nov 22, 1999 · N733AH · Substantial damageNTSB LAX00LA039Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-181 · Hilo, HIAn oil starvation induced failure and seizure of the engine. The reasons for the oil starvation event are undetermined.Nov 21, 1999 · N4148X · DestroyedNTSB LAX00LA037Accident · No injuriesLimited investigationFinal reportCessna 150K · Phoenix, AZFuel exhaustion due to the pilot's improper preflight planning, and failure to ensure that an adequate fuel supply was onboard the airplane.Nov 19, 1999 · N6199G · Substantial damageNTSB SEA00FA021Accident · Minor injuriesField investigationFinal reportBell 206L-3 · Seattle, WAAdequate separation and lookout not maintained by the pilots of both aircraft.Nov 17, 1999 · N206AC · 2 aircraft · Substantial damageNTSB FTW00LA033Accident · No injuriesLimited investigationFinal reportCessna TU206G · Lafayette, LAThe partial blockage of oil within the engine's oil galley resulting in a total power loss. Contributing factors were the failure of the #1 connecting rod, the failure of the pilot to achieve the proper touchdown point during the forced landing, the tailwind…Nov 17, 1999 · N4803U · Substantial damageNTSB CHI00LA031Accident · No injuriesLimited investigationFinal reportCessna 182 · Shelbyville, INthe inadequate preflight planning by the pilot and the exhaustion of usable fuel. A factor was the drainage ditch encountered on landing.Nov 16, 1999 · N5388B · Substantial damageNTSB LAX00LA033Accident · Serious injuriesLimited investigationFinal reportRaven RX-7 · Phoenix, AZThe pilot's delay in initiating a climb and his subsequent failure to attain and maintain clearance from mountainous terrain.Nov 13, 1999 · N4046M · Substantial damageNTSB DEN00LA018Accident · No injuriesLimited investigationFinal reportCessna 172N · Rawlins, WYThe pilot's inadequate preflight planning preparation which resulted in fuel exhaustion. Factors in the accident were the unsuitable terrain on which to make a forced landing and the pilot's lack of experience in aircraft type.Nov 12, 1999 · N5225D · Substantial damageNTSB SEA00IA019Incident · No injuriesIncident investigationFinal reportBoeing 737-400 · Portland, ORArcing in the electrical system wiring for undetermined reasons.Nov 11, 1999 · N772AS · Minor damageNTSB CHI00LA028Accident · Serious injuriesLimited investigationFinal reportShaffer Evans Volksplane · Stanley, NDrefueling not performed by the non-rated pilot and the lack of total experience of the non-rated pilot. Factors to the accident were fuel exhaustion, the unsuitable terrain for landing encountered by the non-rated pilot, and the rough/uneven terrain condition.Nov 11, 1999 · N78VS · Substantial damageNTSB 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…Nov 10, 1999 · N6691V · DestroyedNTSB NYC00LA030Accident · No injuriesLimited investigationFinal reportCessna 150 · New Hope, PAThe pilot's failure to identify during the preflight that both fuel vents were blocked, resulting in a total loss of engine power.Nov 9, 1999 · N8323G · Substantial damageNTSB DEN00IA075Incident · No injuriesIncident investigationFinal reportBeech A60 · Boulder, COThe fatigue failure of the #6 cylinder connecting rod cap.Nov 9, 1999 · N457DA · Minor damageNTSB LAX00FA041Accident · No injuriesField investigationFinal reportMcDonnell Douglas DC-10-30F · Honolulu, HIThe pilot-in-command initiated an evasive manuver during a near midair collission. The airplane entered a prestall buffet, which resulted in buckling of the elevator skins.Nov 8, 1999 · N602GC · Substantial damageNTSB LAX00TA030Accident · Minor injuriesFinal reportBell OH-58A · La Puente, CAA loss of engine power for undetermined reasons.Nov 6, 1999 · N911RN · DestroyedNTSB MIA00LA022Accident · No injuriesLimited investigationFinal reportCessna 150M · Jacksonville, NCThe flight instructor's improper supervision of the student pilot during preflight and improper fuel management ensuring there was sufficient fuel for the planned flight. This resulted in a total loss of engine power due to fuel exhaustion.Nov 5, 1999 · N714RA · Substantial damage