# NTSB investigations: Maneuvering

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 176 of 378 · 18,851 cases

## Cases, newest first

- [NTSB BFO89FA048](https://openairdocs.org/ntsb/BFO89FA048.md): Cessna 172P · Caesars Head, SC · Accident · 4 fatal · Field investigation · Final report · Jun 25, 1989 · N53667 · Destroyed
  > Failure of the pilot to maintain sufficient airspeed while flying over rising terrain, which resulted in an inadvertent stall and collision with wooded terrain. Factors related to the accident were: the terrain conditions and failure of the pilot to maintain…
- [NTSB SEA89LA121](https://openairdocs.org/ntsb/SEA89LA121.md): Grumman-Schweizer G-164A · Colfax, WA · Accident · No injuries · Limited investigation · Final report · Jun 24, 1989 · N8974H · Substantial damage
  > Improper installation of the cylinder assembly. The terrain was not suitable for a successful forced landing.
- [NTSB SEA89LA120](https://openairdocs.org/ntsb/SEA89LA120.md): Bell 47G-2 · Centralia, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 24, 1989 · N1161N · Destroyed
  > The pilot misjudged his clearance over trees, which resulted in an in-flight tail rotor strike with the trees and loss of tail rotor control. The trees were a related factor.
- [NTSB SEA89FA118](https://openairdocs.org/ntsb/SEA89FA118.md): Colonial C-1 · Bremerton, WA · Accident · 1 fatal · Field investigation · Final report · Jun 23, 1989 · N260B · Destroyed
  > Malfunction of both magnetos due to deterioration of the coils, which resulted in the loss of engine power. Factors related to the accident were: an inadequate airworthiness directive (no calendar time limits), and the lack of suitable terrain (rough/uneven)…
- [NTSB FTW89DRD09](https://openairdocs.org/ntsb/FTW89DRD09.md): Schweizer G-164A · Bunkie, LA · Accident · No injuries · Final report · Jun 23, 1989 · N602Y · Substantial damage
  > The loss of the number five cylinder in flight, resulting in a loss of engine RPM. The pilot misjudged the landing flare height due to obscured vision from fire and smoke and the airplane stalled and impacted the ground nose first.
- [NTSB ATL89LA168](https://openairdocs.org/ntsb/ATL89LA168.md): Cessna 172 · Centreville, AL · Accident · No injuries · Limited investigation · Final report · Jun 23, 1989 · N70RS · Substantial damage
  > The student pilot's failure to remove all remaining water from the airplane fuel system during pre-flight inspection which led to a total loss of power.
- [NTSB SEA89LA116](https://openairdocs.org/ntsb/SEA89LA116.md): Bell 47G3B2A · Dyer, NV · Accident · Minor injuries · Limited investigation · Final report · Jun 22, 1989 · N59414 · Destroyed
  > The pilots poor planning in attempting a hover in undesirable conditions which resulting in the inability to maintain rotor rom. Contributing to the accident was the mountainous terrain and high density alt.
- [NTSB ATL89FA167](https://openairdocs.org/ntsb/ATL89FA167.md): Cessna 140 · Conyers, GA · Accident · Serious injuries · Field investigation · Final report · Jun 22, 1989 · N1875V · Substantial damage
  > Carburetor ice and the pilot's improper use of carburetor heat. Carburetor icing condition was a related factor.
- [NTSB DEN89DTI01](https://openairdocs.org/ntsb/DEN89DTI01.md): Piper PA-25-235 · Conrad, MT · Accident · 1 fatal · Final report · Jun 20, 1989 · N7001Z · Destroyed
  > The pilot's failure to see the guy wire in time to avoid colliding with it.
- [NTSB CHI89DEM03](https://openairdocs.org/ntsb/CHI89DEM03.md): Beneteau Steen Skybolt · Elk Rapids, MI · Accident · 2 fatal · Final report · Jun 19, 1989 · N199BP · Destroyed
  > The pilot's failure to maintain aircraft control while attempting an aerobatic maneuver. Factors related to the were: inadequate altitude and lack of total experience in type of aircraft.
- [NTSB MKC89FA136](https://openairdocs.org/ntsb/MKC89FA136.md): North American AT-6D · Earle, AR · Accident · 1 fatal · Field investigation · Final report · Jun 17, 1989 · N3931S · Destroyed
  > The pilot's improper planning/decision and over confidence in his flying ability, which resulted in a loss of control, while maneuvering at low altitude. The pilot's inadequate altitude and airpeed were considered to be contributing factors.
- [NTSB CHI89FA114](https://openairdocs.org/ntsb/CHI89FA114.md): Mcculloch J-2 · Oxford, OH · Accident · 2 fatal · Field investigation · Final report · Jun 17, 1989 · N4354G · Destroyed
  > The failure of the pilot operator to replace the main rotor thrust bearing. The expired service life of the main rotor thrust bearing is a factor in the accident.
- [NTSB BFO89LA045](https://openairdocs.org/ntsb/BFO89LA045.md): Bell 47G-2 · Moundsville, WV · Accident · No injuries · Limited investigation · Final report · Jun 17, 1989 · N2487B · Destroyed
  > The pilot failed to maintian directional control and obstacle clearance while hovering at low altitude. A tail rotor blade struck an obstacle causing an overload separation failure of the blade.
- [NTSB MKC89LA134](https://openairdocs.org/ntsb/MKC89LA134.md): Grumman G164 · Brinkley, AR · Accident · No injuries · Limited investigation · Final report · Jun 15, 1989 · N8367K · Substantial damage
  > The failure of the aircraft engine due to water contamination. The pilot executed a landing in a flooded rice field which did not permit a successful landing.
- [NTSB SEA89FA111](https://openairdocs.org/ntsb/SEA89FA111.md): Oregon Helicopters UH-1L · Baring, WA · Accident · Serious injuries · Field investigation · Final report · Jun 14, 1989 · N157LC · Destroyed
  > Fatigue failure of the tail rotor 42 degree gear box due to pilot induced overstress. Navy data and FAA type certificate limitations were not adhered to.
- [NTSB MKC89DCA01](https://openairdocs.org/ntsb/MKC89DCA01.md): Piper PA-25-235 · Auxvasse, MO · Accident · 1 fatal · Final report · Jun 14, 1989 · N6579Z · Destroyed
  > The pilot-in-command's failure to maintain adequate airspeed, resulting in an inadvertant stall.
- [NTSB FTW89DPJ06](https://openairdocs.org/ntsb/FTW89DPJ06.md): Piper PA-18A · Eva, OK · Accident · No injuries · Final report · Jun 14, 1989 · N6873B · Substantial damage
  > The pilot's failure to maintain visual lookout. A factor was the pilot's limited visual perception due to the ground vehicle.
- [NTSB ATL89LA159](https://openairdocs.org/ntsb/ATL89LA159.md): Cessna 152 · Jackson, TN · Accident · No injuries · Limited investigation · Final report · Jun 13, 1989 · N24451 · Substantial damage
  > The separation of the mixture cable from the carburetor. Contributing factor(s) was: inadequate maintenance and inspection of the airplane and the soft terrain encountered during the forced landing.
- [NTSB SEA89LA110](https://openairdocs.org/ntsb/SEA89LA110.md): Cessna 172 · Chemult, OR · Accident · Serious injuries · Limited investigation · Final report · Jun 12, 1989 · N1365E · Destroyed
  > Improper inflight planning/decision by the pilot, which resulted in a sudden altitude deviation, and his delay in initiating remedial action to maintain clearance from the trees. Contributing factors were the downdrafts, high density altitude, the pilot…
- [NTSB SEA89FA104](https://openairdocs.org/ntsb/SEA89FA104.md): Anderson BD-5 · Everett, WA · Accident · 1 fatal · Field investigation · Final report · Jun 11, 1989 · N13AT · Destroyed
  > Inadequate maintenance by the pilot/owner/builder, his operation of the aircraft with a known deficiency, and his failure to maintain adequate airspeed during an emergency descent, which resulted in an inadvertent stall.
- [NTSB DCA89MA058](https://openairdocs.org/ntsb/DCA89MA058.md): Beech H18 · Waipio Valley, HI · Accident · 11 fatal · Major investigation · Final report · Jun 11, 1989 · N34AP · Destroyed
  > The pilot's improper in-flight planning/decision to maneuver with insufficient altitude over or in a a canyon area. Factors related to the accident were: the terrain conditions and scenic air tour's lack of specific direction to its pilots concerning safety…
- [NTSB NYC89LA147](https://openairdocs.org/ntsb/NYC89LA147.md): Piper J-3C-65 · Erma, NJ · Accident · Minor injuries · Limited investigation · Final report · Jun 10, 1989 · N46286 · Substantial damage
  > Failure of the pilot to maintain airspeed during a banner pickup.
- [NTSB MIA89FA173](https://openairdocs.org/ntsb/MIA89FA173.md): Cessna 170B · Sarasota, FL · Accident · 2 fatal · Field investigation · Final report · Jun 10, 1989 · N3100B · Destroyed
  > The pilot's failure to maintain airspeed while maneuvering to spot cattle for a ground crew.
- [NTSB SEA89LA105](https://openairdocs.org/ntsb/SEA89LA105.md): Piper PA-32-300 · Skagway, AK · Accident · No injuries · Limited investigation · Final report · Jun 8, 1989 · N7994F · Substantial damage
  > The failure of the pilot to use proper inflight planning to identify wind conditions (downdrafts) during the flight. As a result, the pilot was unable to maintain altitude and the airplane collided with mountainous terrain.
- [NTSB CHI89DEV06](https://openairdocs.org/ntsb/CHI89DEV06.md): Hughes 269C · Millersville, IL · Accident · No injuries · Final report · Jun 6, 1989 · N7439F · Destroyed
  > Loss of rotor RPM for an undetermined reason during a turn to reverse direction while applying agricultural chemicals.
- [NTSB SEA89LA100](https://openairdocs.org/ntsb/SEA89LA100.md): Robinson R-22 · Prineville, OR · Accident · Minor injuries · Limited investigation · Final report · Jun 5, 1989 · N8022Q · Substantial damage
  > The pilots inadequate visual lookout and failure to maintain clearance from obstructions, resulting in the tail rotor impacting a road sign and subsequent loss of anti-torque control.
- [NTSB ATL89FA157](https://openairdocs.org/ntsb/ATL89FA157.md): Cessna 150K · N. Myrtle Beach, SC · Accident · 1 fatal · Field investigation · Final report · Jun 3, 1989 · N6367G · Destroyed
  > The pilot's confusion and diverted attention regarding the multiple banner release system in the cockpit resulting in an inadvertent stall/spin into the terrain from a low altitude. Also causal was the pilot attempting the abrupt maneuver at the low airspeed…
- [NTSB ATL89DMG05](https://openairdocs.org/ntsb/ATL89DMG05.md): Bloodworth Pitts Special S-1C · Townsville, NC · Accident · 1 fatal · Final report · Jun 3, 1989 · N1769 · Destroyed
  > Inadequate altitude for the pilot to recover from a spin. A contributing factor was his ostentatious display.
- [NTSB SEA89LA098](https://openairdocs.org/ntsb/SEA89LA098.md): Bell 47G-2 · Buena, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 2, 1989 · N41721 · Destroyed
  > The pilot's failure to maintain an adequate visual lookout and clearance to avoid the power lines.
- [NTSB MKC89LA123](https://openairdocs.org/ntsb/MKC89LA123.md): Air Tractor AT-400 · Poplar Bluff, MO · Accident · No injuries · Limited investigation · Final report · Jun 2, 1989 · N3159W · Substantial damage
  > The pilot in command misjudged the clearance of the aircraft's vertical stabilizer from the power lines.
- [NTSB BFO89DIG01](https://openairdocs.org/ntsb/BFO89DIG01.md): Piper PA-25-235 · Preston, MD · Accident · Minor injuries · Final report · Jun 2, 1989 · N4497Y · Substantial damage
  > Pilot's failure to maintain adequate clearance with the wheat crop as he passed under the powerline during an aerial application swath run.
- [NTSB FTW89DRA06](https://openairdocs.org/ntsb/FTW89DRA06.md): Grumman G-164B · Lissie, TX · Accident · No injuries · Final report · Jun 1, 1989 · N6822Q · Substantial damage
  > A bird strike which resulted in foreign object damage to the engine compressor. A berm and the lack of suitable terrain for a forced landing were contributing factors.
- [NTSB NYC89LA141](https://openairdocs.org/ntsb/NYC89LA141.md): Bell 206-L · Wading River, NY · Accident · No injuries · Limited investigation · Final report · May 31, 1989 · N501RS · Substantial damage
  > The pilot's failure to control the rate of descent which resulted in a hard landing. Contributing to the accident was a power loss due to a compressor failure.
- [NTSB MIA89FA164](https://openairdocs.org/ntsb/MIA89FA164.md): Air Tractor AT-401 · Clarksdale, MS · Accident · Serious injuries · Field investigation · Final report · May 30, 1989 · N1012H · Destroyed
  > The pilot failed to maintain airspeed resulting in the airplane stalling and descending out of control.
- [NTSB ATL89LA154](https://openairdocs.org/ntsb/ATL89LA154.md): Boeing E75 (PT-13D) · Jacksonville, NC · Accident · 1 fatal · Limited investigation · Final report · May 30, 1989 · N5325N · Destroyed
  > The pilot encountered an accelerated stall during an abrupt maneuver, lost control of the airplane and did not have sufficient altitude to recover from the ensuing spin prior to colliding with the ground.
- [NTSB FTW89DRD05](https://openairdocs.org/ntsb/FTW89DRD05.md): Grumman G-164A · Gueydan, LA · Accident · Minor injuries · Final report · May 29, 1989 · N5267 · Destroyed
  > Visual lookout was not maintained by the pilot in command, which resulted in the collision with a power transmission line during a swath run.
- [NTSB ATL89DKG03](https://openairdocs.org/ntsb/ATL89DKG03.md): Rotorway Exec · Roswell, GA · Accident · No injuries · Final report · May 29, 1989 · N7043T · Substantial damage
  > The pilots improper use of the tail rotor controls while in a hover. Adding to this was the pilots total lack of experience operating helicopters.
- [NTSB MKC89FA117](https://openairdocs.org/ntsb/MKC89FA117.md): Cessna 172M · Oakland, AR · Accident · Serious injuries · Field investigation · Final report · May 28, 1989 · N9646H · Substantial damage
  > Pilot electing to buzz persons on the lake at low altitude and colliding with power lines.
- [NTSB MKC89LA114](https://openairdocs.org/ntsb/MKC89LA114.md): Cessna 188 · Table Rock, NE · Accident · No injuries · Limited investigation · Final report · May 26, 1989 · N9084R · Substantial damage
  > The catastrophic failure of the internal engine components due to oil starvation. Contributing to the severity of the accident was the rough terrain the pilot was forced to land on.
- [NTSB MIA89FA154](https://openairdocs.org/ntsb/MIA89FA154.md): Cessna 152 · Fort Pierce, FL · Accident · Minor injuries · Field investigation · Final report · May 24, 1989 · N714UQ · Substantial damage
  > Failure of the student pilot to maintain airspeed which resulted in an inadvertent stall. Contributing factors were: the weather conditions (smoke & haze), the student becoming lost, her lack of total experience, and her inability to understand ATC…
- [NTSB FTW89DRD03](https://openairdocs.org/ntsb/FTW89DRD03.md): Schweizer G-164A · Maxie, LA · Accident · 1 fatal · Final report · May 23, 1989 · N48467 · Destroyed
  > Failure of the pilot to maintain clearance from the trees. A factor related to the accident was: the presence of trees near the field where fertilizer was to be dispensed.
- [NTSB DEN89DTK01](https://openairdocs.org/ntsb/DEN89DTK01.md): Piper PA-36-300 · Agar, SD · Accident · 1 fatal · Final report · May 23, 1989 · N82644 · Destroyed
  > The pilot's failure to maintain an adequate clearance with the powerlines. The powerline is considered to be a contributing factor to the accident.
- [NTSB CHI89MA095](https://openairdocs.org/ntsb/CHI89MA095.md): Douglas DC3C-S13CG · Waterman, IL · Accident · 3 fatal · Major investigation · Final report · May 22, 1989 · N47CE · Destroyed
  > The pilot-in-command (PIC) failed to provide adequate supervision while training the copilot and allowed the aircraft to enter a stall/spin, then did not provide adequate remedial action to properly recover from the spin. Factors related to the accident were:…
- [NTSB BFO89FA033](https://openairdocs.org/ntsb/BFO89FA033.md): Bell UH-1B · Oldtown, MD · Accident · 2 fatal · Field investigation · Final report · May 22, 1989 · N508SC · Destroyed
  > Failure of the pilot to see-and-avoid the obstruction (inadequate visual lookout). Factors related to the accident were: the obstruction (static wires), and the lack of visual cues for the pilot to detect the wires.
- [NTSB ATL89DKJ03](https://openairdocs.org/ntsb/ATL89DKJ03.md): Grumman G-164A · Loxley, AL · Accident · No injuries · Final report · May 22, 1989 · N8881H · Substantial damage
  > The loss of engine power due to carburetor ice, and the pilot's improper use of carburetor heat.
- [NTSB SEA89LA091](https://openairdocs.org/ntsb/SEA89LA091.md): Pazmany PL-4A · Concrete, WA · Accident · Minor injuries · Limited investigation · Final report · May 21, 1989 · N445CB · Destroyed
  > An improper low pass and clearance with trees misjudged by pilot.
- [NTSB LAX89LA197](https://openairdocs.org/ntsb/LAX89LA197.md): Aerospatiale AS350D · Waialae Falls, HI · Accident · Minor injuries · Limited investigation · Final report · May 21, 1989 · N6003S · Substantial damage
  > Improper maintenance/adjustment of the engine fuel control unit by company maintenance personnel, which resulted in a slight loss of engine power, and failure of the pilot to maintain rotor RPM, while turning and taking off from a hover with a relatively…
- [NTSB FTW89LA095](https://openairdocs.org/ntsb/FTW89LA095.md): Aeronca 65-TAC · Pryor, OK · Accident · Serious injuries · Limited investigation · Final report · May 21, 1989 · N39304 · Substantial damage
  > The failure of the pilot to maintain airspeed during a low pass over the airport after pulling up to clear wires which resulted in a stall.
- [NTSB ATL89FA150](https://openairdocs.org/ntsb/ATL89FA150.md): Taylorcraft BC12-D · Jamestown, TN · Accident · 2 fatal · Field investigation · Final report · May 21, 1989 · N5003M · Substantial damage
  > The pilot failed to maintain adequate airspeed to avoid an inadvertent stall. The stall occurred at an altitude which precluded recovery prior to ground impact. Contributing to the accident was the pilot's lack of proficiency in the airplane.
- [NTSB FTW89DQG03](https://openairdocs.org/ntsb/FTW89DQG03.md): Weatherly 201B · Miami, TX · Accident · Minor injuries · Final report · May 20, 1989 · N1271W · Substantial damage
  > The pilot's failure to maintain adequate clearance from a known obstacle during agricultural spray flight operations,

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?page=177

## 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 = 450)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/450/cases?page=176

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