# NTSB investigations: Uncontrolled descent

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 3 of 44 · 2,192 cases

## Cases, newest first

- [NTSB CHI91DCJ07](https://openairdocs.org/ntsb/CHI91DCJ07.md): Piper PA-25-150 · Stapleton, NE · Accident · No injuries · Final report · Aug 23, 1991 · N6070Z · Substantial damage
  > The pilot's disregard for aircraft performance data. Related factors are the pilot's poor weather evaluation, and delayed remedial action.
- [NTSB CHI91FA266](https://openairdocs.org/ntsb/CHI91FA266.md): Bellanca 17-30A · Boyne City, MI · Accident · 1 fatal · Field investigation · Final report · Aug 13, 1991 · N6704V · Substantial damage
  > The pilot in command's failure to maintain proper altitude. A factor contributing to the accident was the pilot in command's diverted attention..
- [NTSB FTW91FA144](https://openairdocs.org/ntsb/FTW91FA144.md): Piper PA-28RT-201T · Midland, TX · Accident · 1 fatal · Field investigation · Final report · Aug 9, 1991 · N8144J · Destroyed
  > The pilot's inability to control the airplane due to his physiological incaapacitation. A factor was the pilot's impairment due to the usage of pain medications.
- [NTSB CHI91LA136](https://openairdocs.org/ntsb/CHI91LA136.md): Piper PA-28-161 · Grayslake, IL · Accident · No injuries · Limited investigation · Final report · Apr 20, 1991 · N4VT · Substantial damage
  > The instructor's inadequate compensation for wind conditions. Factors were the wind gusts and the instructor's failure to maintain airspeed.
- [NTSB LAX91FA108](https://openairdocs.org/ntsb/LAX91FA108.md): Cessna T210N · Kyburz, CA · Accident · 1 fatal · Field investigation · Final report · Feb 16, 1991 · N9448Y · Destroyed
  > The pilot's attempt to conduct his visual flight into instrument meteorological conditions and the loss of aircraft control by becoming spatial disoriented. The low ceilings and the dark night that existed in the area were factors in the accident.
- [NTSB ATL91FA042](https://openairdocs.org/ntsb/ATL91FA042.md): Cessna 310 · Brunswick, GA · Accident · 1 fatal · Field investigation · Final report · Jan 23, 1991 · N3602D · Destroyed
  > The incapacitation of the pilot.
- [NTSB LAX90FA300](https://openairdocs.org/ntsb/LAX90FA300.md): Cessna T-210-M · Placerville, CA · Accident · 4 fatal · Field investigation · Final report · Aug 25, 1990 · N6985B · Destroyed
  > The pilot's misidentification of the airport and his failure to select an adequate altitude above the terrain. Factors in the accident were the pilot's disregard for his night time medical limitation and lack of geographic familiarity with the area.
- [NTSB SEA90LA157](https://openairdocs.org/ntsb/SEA90LA157.md): Robinson R22 · Ellensburg, WA · Accident · Serious injuries · Limited investigation · Final report · Aug 9, 1990 · N9072N · Substantial damage
  > The pilot did not adequately level off the helicopter and collided with the terrain.
- [NTSB MKC90LA148](https://openairdocs.org/ntsb/MKC90LA148.md): Piper PA28-151 · Columbia, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 15, 1990 · N555TT · Destroyed
  > Aircraft control not maintained resulting in a stall/mush by the PIC.
- [NTSB ANC90LA112](https://openairdocs.org/ntsb/ANC90LA112.md): Piper PA-28-180 · Coldfoot, AK · Accident · 1 fatal · Limited investigation · Final report · Jul 5, 1990 · N6374J · Destroyed
  > The airplane encountered a downdraft shortly after takeoff from which the airplane could not overcome with power. Contributing to the accident was the heavily loaded airplane and the engine not developing full power due to improper maintenance.
- [NTSB FTW90DPA03](https://openairdocs.org/ntsb/FTW90DPA03.md): Bell-Moore 47G-2A · Sivell Bend, TX · Accident · No injuries · Final report · May 8, 1990 · N25126 · Substantial damage
  > Clearance was not maintained by the pilot-in-command.
- [NTSB SEA90LA069](https://openairdocs.org/ntsb/SEA90LA069.md): Cessna 172N · Minden, NV · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 1990 · N1065F · Destroyed
  > The pilot's poor inflight planning and decision.
- [NTSB ATL89DMG04](https://openairdocs.org/ntsb/ATL89DMG04.md): Wittman, S.J. W-8 · Washington, NC · Accident · No injuries · Final report · Jul 17, 1989 · N74849 · Substantial damage
  > Pilot inadvertently stalled the airplane.
- [NTSB MKC89LA137](https://openairdocs.org/ntsb/MKC89LA137.md): Piper PA-25-235 · Clayton, KS · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 1989 · N8846L · Substantial damage
  > The failure of the pilot to compensate for the unfavorable wind conditions.
- [NTSB ATL89DEK02](https://openairdocs.org/ntsb/ATL89DEK02.md): Alexander RV-4 · Delaware, OH · Accident · 2 fatal · Final report · Mar 11, 1989 · N443JA · Destroyed
  > Pilot inadvertently lost control of the aircraft which resulted in a stall spin and collision with the ground.
- [NTSB MKC88FA018](https://openairdocs.org/ntsb/MKC88FA018.md): Cessna 310Q · Augusta, KS · Accident · 1 fatal · Field investigation · Final report · Nov 19, 1987 · N7735A · Destroyed
  > The airplane departed to the south and made a left turn. Approximately 1/4 of a mile east of the airport, the airplane impacted straight down with gear down and flaps at 15 degrees. No preimpact problems were found with airframe or powerplants. No indication…
- [NTSB DEN88LA025](https://openairdocs.org/ntsb/DEN88LA025.md): Hughes 269C · Grand Forks, ND · Accident · No injuries · Limited investigation · Final report · Nov 19, 1987 · N11079 · Substantial damage
  > The CFI was instructing the pvt rated dual student in simulated forced landings. During the power recovery following a practice autorotation, the engine failed to regain RPM at full throttle. During the forced landing, the helicopter nosed over at touchdown…
- [NTSB NYC88FA032](https://openairdocs.org/ntsb/NYC88FA032.md): Beech F-33A · Forked River, NJ · Accident · 2 fatal · Field investigation · Final report · Nov 1, 1987 · N333JL · Destroyed
  > The pilot and passenger departed white plains, new york on a VFR flight to kill devil hills, north carolina. Search efforts were initiated when the aircraft failed to arrive at its destination. A witness in a hunting camp near the crashsite saw the aircraft…
- [NTSB ATL87FA268](https://openairdocs.org/ntsb/ATL87FA268.md): Beech 95-B55 · Manteo, NC · Accident · 5 fatal · Field investigation · Final report · Sep 30, 1987 · N6343X · Destroyed
  > Witness observed acft settle into ocean during low level cruise flt adjacent to beach. Wx was ovrcst, indistinct horizon & calm sea. IFR flt plan had been filed but no contact was made with ATC. Engines and propeller examination did not reveal a mechanical…
- [NTSB DEN87LA172](https://openairdocs.org/ntsb/DEN87LA172.md): Piper PA-38-112 · Pagosa Springs, CO · Accident · No injuries · Limited investigation · Final report · Jul 3, 1987 · N25655 · Substantial damage
  > The commercial plt and a friend departed aztec, new Mexico, with the intention of flying over wolf creek pass en route to Colorado Springs, Colorado. He said the acft would not climb over the pass and the acft collided with trees in mountainous terrain. The…
- [NTSB FTW87DRD06](https://openairdocs.org/ntsb/FTW87DRD06.md): Air Command 532 · St.Francisville, LA · Accident · 1 fatal · Final report · Jun 28, 1987 · N532X · Destroyed
  > Witnesses observed the gyroplane flying at 10-15 feet AGL when it started a turn to the right. It continued the right turn and descended into the ground. Dr. Moore of the FAA sw regional flight surgeon's office stated that the plt had coronary disease and…
- [NTSB MIA87LA180](https://openairdocs.org/ntsb/MIA87LA180.md): Taylorcraft BL-65 · Deland, FL · Accident · No injuries · Limited investigation · Final report · Jun 13, 1987 · N36130 · Substantial damage
  > The plt stated that just after take-off, the rt wing was lifted by a x-wind & the acft stalled & crashed into the trees. The plt stated that the accident could have been prevented if he had decreased the angle of attack after take-off & had made 'a turn into…
- [NTSB LAX87FA167](https://openairdocs.org/ntsb/LAX87FA167.md): Champion 7ECA · Upland, CA · Accident · 2 fatal · Field investigation · Final report · Apr 2, 1987 · N9655S · Destroyed
  > The pilot took off from his home airport for a sight-seeing, local flight over nearby mountains. Although the rear seat passenger weighed 270 lbs and the aircraft's fuel tanks were assumed to be full, there is no evidence that the pilot calculated the…
- [NTSB FTW87LA073](https://openairdocs.org/ntsb/FTW87LA073.md): Balloon Works Firefly 7-B · Broken Arrow, OK · Accident · No injuries · Limited investigation · Final report · Mar 5, 1987 · N15253 · Substantial damage
  > The Balloon drifted into power lines just after liftoff. The pilot stated he was hooking up a new temperature gauge and did not notice that the Balloon was descending.
- [NTSB LAX87FA055](https://openairdocs.org/ntsb/LAX87FA055.md): Piper PA-24-250 · Eloy, AZ · Accident · 3 fatal · Field investigation · Final report · Nov 28, 1986 · N5814P · Destroyed
  > In cavu weather conditions, the acft crashed into open, level desert terrain at a 30 deg, nose low and near wings level attitude. No pre-impact mechanical malfunctions were found with the aircraft. There were no witnesses to the accident.
- [NTSB MKC87FA002](https://openairdocs.org/ntsb/MKC87FA002.md): Cessna 150 · Fort Scott, KS · Accident · 2 fatal · Field investigation · Final report · Oct 5, 1986 · N22943 · Destroyed
  > The purpose of the flt was to observe and photograph the effects of a flood which had inundated a part of the city of Fort Scott. The acft was observed flying low and slow over the city. Witnesses said the acft was flying from west to east and made a turn…
- [NTSB ATL86FA120](https://openairdocs.org/ntsb/ATL86FA120.md): Piper PA-28-160 · Winton, NC · Accident · 4 fatal · Field investigation · Final report · Apr 29, 1986 · N5258W · Destroyed
  > Before the flt, the student plt & passengers had been socializing & drinking beer. At aprx 0200 EDT, while at a friend'shome near murfreesboro, NC, they decided to go flying. At about 0300, an acft was observed to fly over the friend's home at low alt, then…
- [NTSB CHI86LA097](https://openairdocs.org/ntsb/CHI86LA097.md): Cessna 172M · Milwaukee, WI · Accident · Serious injuries · Limited investigation · Final report · Mar 1, 1986 · N80167 · Destroyed
  > The aircraft was approximately 180 lbs over max recommended takeoff gross weight and used almost all of a 3560 foot runway to take off. The pilot stated that after liftoff the aircraft would not turn left and began to turn right on its own. He climbed to…
- [NTSB FTW86LRA04](https://openairdocs.org/ntsb/FTW86LRA04.md): Eagle DW-1 · Bremond, TX · Accident · Minor injuries · Final report · Jan 15, 1986 · N8805M · Destroyed
  > According to the pilot, the aircraft was being operated by thompson flyers of garwood, inc., rt 1, box 214, marlin, TX. In agricultural aircraft operations under FAA ag operation certificate no. SW-HOU-97-AG. The aircraft had completed its last swath run…
- [NTSB LAX86LA070](https://openairdocs.org/ntsb/LAX86LA070.md): Bell 47G2 · Moss, CA · Accident · Minor injuries · Limited investigation · Final report · Dec 19, 1985 · N8404E · Substantial damage
  > After starting a left climbing turn at the end of a spray run the plt said he felt a 'shudder in the airframe' as the engine 'went to full RPM.' The plt stated that he thought 'the clutch had slipped' and added collective to compensate. The helicopter began…
- [NTSB MKC86FCJ01](https://openairdocs.org/ntsb/MKC86FCJ01.md): Carothers Monoplane · Lincoln, NE · Accident · Serious injuries · Final report · Nov 7, 1985 · N44XP · Destroyed
  > The plt was performing aerobatics while being photographed for a promotional video. On the last pass over the arpt the acft lost airspeed and began a side slip with the left wing down. At a very low alt AGL the acft appeared to stall and assume a higher sink…
- [NTSB FTW86FPA02](https://openairdocs.org/ntsb/FTW86FPA02.md): Homebuilt Fokker DR-1 Replica · Denton, TX · Accident · Minor injuries · Final report · Nov 2, 1985 · N152DR · Destroyed
  > The pilot stated he was making his fourth fly-by at 400 feet AGL when the aircraft developed a high sink rate. He then lowered the nose and gained airspeed for recovery. While leveling off he had to turn left to avoid impact with a small tree. At this time…
- [NTSB DEN86FTE02](https://openairdocs.org/ntsb/DEN86FTE02.md): Beech 58 · Elbert, CO · Accident · 1 fatal · Final report · Nov 2, 1985 · N26BW · Destroyed
  > The acft crashed in a open field & was not found for 4 days. The home built acft, maintained largely by the plt, had the engine destroyed so completely that no determination could be made as to power being developed at impact. The plt reportedly had been…
- [NTSB NYC86DNC01](https://openairdocs.org/ntsb/NYC86DNC01.md): Burkhart Grob 103 · Franconia, NH · Accident · Minor injuries · Final report · Oct 12, 1985 · N4944G · Substantial damage
  > The pilot flying a grob 103 was engaged in ridge soaring when the aircraft encountered down or sinking air. The aircraft was unable to recover prior to striking trees. The aircraft received substantial damage and the pilot received serious injuries while the…
- [NTSB SEA85LA231](https://openairdocs.org/ntsb/SEA85LA231.md): Mitchell U2 · Prineville, OR · Accident · 1 fatal · Limited investigation · Final report · Sep 30, 1985 · N58209 · Destroyed
  > Plt was on second flt in newly completed, registered ultralight. Craft had not been issued a certificate of airworthiness. After takeoff, acft was observed to circle airport, then descend out of sight behind trees. Investigation showed steeep, nosedown…
- [NTSB CHI85FA301](https://openairdocs.org/ntsb/CHI85FA301.md): Bell 47G2A1 · Brook, IN · Accident · 1 fatal · Field investigation · Final report · Jul 20, 1985 · N1345A · Destroyed
  > The helicopter contacted the terrain in a flat attitude and rolled over during an autorotative landing. A witness stated an autorotation was entered at 800 ft AGL during which the plt made a 360 deg descending turn. An application of pwr was heard at an alt…
- [NTSB LAX85FA280](https://openairdocs.org/ntsb/LAX85FA280.md): Robinson R22 · Manhattan Beach, CA · Accident · No injuries · Field investigation · Final report · Jun 16, 1985 · N8360J · Substantial damage
  > The helicopter was to fly in formation with a banner towed by an acft 'to attract attention.' Numerous witnesses along a 20-mile stretch of Beach saw the helicopter 'flying erratically' & 'buzzing the Beach' just prior to the accident. Witnesses saw the…
- [NTSB DEN85FA125](https://openairdocs.org/ntsb/DEN85FA125.md): Cessna 421C · Las Vegas, NM · Accident · Serious injuries · Field investigation · Final report · May 5, 1985 · N8343G · Substantial damage
  > The acft was landed in a pasture about 2 miles from the arpt after the acft began to descen 'behind the power curve' after takeoff. The plt said he used full power for takeoff but the takeoff was longer than normal. The da was computed to be 9286 ft. after…
- [NTSB FTW85LA210](https://openairdocs.org/ntsb/FTW85LA210.md): Piper J-3C · Fredericksburg, TX · Accident · Serious injuries · Limited investigation · Final report · May 4, 1985 · N925TX · Substantial damage
  > The acft contacted trees after encountering a downdraft during final apch. The plt stated the apch into the 10-12 kt gusty wind resulted in a low, flat apch. A downdraft was encountered, the acft contacted trees and descended uncontrolled into the terrain.
- [NTSB FTW85LA198](https://openairdocs.org/ntsb/FTW85LA198.md): Partenavia P68C · Tilden, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 25, 1985 · N76L · Destroyed
  > After aprx 1.5 hrs of pipeline patrol flight at a planned altitude of 500 AGL the acft flew into the flat terrain in a landing attitude. The acft went through a wire fence, heavy brush and small trees before coming to rest 437 ft from initial ground contact…
- [NTSB MIA85LA151](https://openairdocs.org/ntsb/MIA85LA151.md): Piper PA-23-250 · Miami, FL · Accident · No injuries · Limited investigation · Final report · Apr 19, 1985 · N6984Y · Substantial damage
  > The plt stated that he permitted a non-plt pax to close the cabin door & he, the plt did not check it. Shortly after liftoff the landing gear was retracted & the door popped open. The pax turned in his seat to close the door & bumped the yoke forcing the acft…
- [NTSB FTW85FA130](https://openairdocs.org/ntsb/FTW85FA130.md): Hughes 269C · San Antonio, TX · Accident · Serious injuries · Field investigation · Final report · Mar 3, 1985 · N9664F · Substantial damage
  > The accident occurred during a zero ground speed practice autorotation. A high sink developed after an attempt to correct for decreasing rotor RPM, the helicopter contacted the ground tail first and rolled over after the main rotor severed the tail boom. An…
- [NTSB DEN85FTI01](https://openairdocs.org/ntsb/DEN85FTI01.md): Polliwagen 2 Place · Manhattan, MT · Accident · 1 fatal · Final report · Jan 3, 1985 · N13954 · Destroyed
  > The acft crashed in an open flt shortly after takeoff and was destroyed by fire. There were no witnesses to the accident. The plt reportedly stated he needed to depart Manhattan by 0500 MST to arrive in helena before 0600 MST when the ATC twr opened as his…
- [NTSB MKC85FA030](https://openairdocs.org/ntsb/MKC85FA030.md): Cessna 150 · Colby, KS · Accident · 1 fatal · Field investigation · Final report · Nov 30, 1984 · N6459K · Destroyed
  > On a heading of 065 deg the acft impacted in a slightly rising open field in a wings level 15 deg nose down attitude. Investigators found the acft in a landing configuration with the wing flaps fully extended and the throttle secured by the throttle friction…
- [NTSB FTW85FA055](https://openairdocs.org/ntsb/FTW85FA055.md): Beech A36 · Waxahachie, TX · Accident · 1 fatal · Field investigation · Final report · Nov 21, 1984 · N22PF · Destroyed
  > The acft was seen by witnesses in a dive from aprx 1000 ft AGL. It appeared to not change attitude nor waiver as it continued toward the grnd. Impact with the grnd occurred with the wings level in aprx 15 deg dive on a hdg of 118 degrees. A mark on the a/s…
- [NTSB FTW85FA025](https://openairdocs.org/ntsb/FTW85FA025.md): Cessna 180 · Amarillo, TX · Accident · 1 fatal · Field investigation · Final report · Oct 27, 1984 · N602RD · Destroyed
  > Last radio contact was a clearence to descend to 5,000 ft MSL to which the plt responded 'two romeo delta.' Cloud tops were near 5,000 ft MSL. Acft impacted in a high speed dive aprx 10 deg past verticle. Plt received com/inst certificate on 12/14/84 and this…
- [NTSB NYC84FA234](https://openairdocs.org/ntsb/NYC84FA234.md): Beech 95 · Shelter Island, NY · Accident · 2 fatal · Field investigation · Final report · Jul 8, 1984 · N927M · Destroyed
  > Acft level abt 3000 ft. engines sputtered. Acft descended in uncontrolled attitude. Tach 6.9 hrs since last fueling. Acft did not have shoulder harness or metal to metal seat belt buckle for pilot and copilot seats. Pilot biennial and medical not current
- [NTSB MKC84FA202](https://openairdocs.org/ntsb/MKC84FA202.md): Culver LFA · Plattsburg, MO · Accident · 1 fatal · Field investigation · Final report · Jul 8, 1984 · N41638 · Substantial damage
  > Witnesses viewed the acft in a nose high attitude at a low alt near the south end of rwy 18. The acft climbed a short distance, rolled to the left and descended nearly vertically to the ground.
- [NTSB CHI84LA260](https://openairdocs.org/ntsb/CHI84LA260.md): Balloon Works Firefly 7 · Geneva, IL · Accident · Serious injuries · Limited investigation · Final report · Jun 24, 1984 · N1537D · Minor damage
  > The Balloon descended in an area of thunderstorms and turbulence and collided with trees. The plt said the Balloon 'caved in' and descended rapidly. The plts husband and a passenger revealed that the Balloon was 'vented' by the plt to land before reaching a…
- [NTSB MIA84FA038](https://openairdocs.org/ntsb/MIA84FA038.md): Cessna 172RG · Cross City, FL · Accident · 1 fatal · Field investigation · Final report · Dec 2, 1983 · N9682B · Destroyed
  > While in the vicinity of Cross City the plt requested VFR flt following from jacksonville ARTCC. While he was in radio &radar contact, the controller suddenly lost radar contact with the flt. Radar indicated that the acft made a rapid descent from the cruise…

Next page: https://openairdocs.org/ntsb-phases/650/cases.md?page=4

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 650)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/650/cases?page=3

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
