# NTSB investigations, TN: Unknown

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.

## Latest cases

- [NTSB NYC08FA238](https://openairdocs.org/ntsb/NYC08FA238.md): Cessna 152 · Rossville, TN · Accident · 1 fatal · Field investigation · Final report · Jul 5, 2008 · N5372B · Destroyed
  > Undetermined.
- [NTSB MIA03LA012](https://openairdocs.org/ntsb/MIA03LA012.md): Piper PA-46-350P · Memphis, TN · Accident · 2 fatal · Limited investigation · Final report · Nov 3, 2002 · N167MA · Destroyed
  > The cause of the accident is unknown as the airplane has not been located. A finding in the investigation was the fact that the pilot conducted an unstabilized approach; the flight was right, left, then right of the final approach course during the approach…
- [NTSB ATL98FA063](https://openairdocs.org/ntsb/ATL98FA063.md): William Sargent Lancair 235 · Newport, TN · Accident · 2 fatal · Field investigation · Final report · Apr 17, 1998 · N813Y · Destroyed
  > The pilot's attempt to operate in instrument meteorological conditions and his failure to maintain clearance with the surrounding terrain. Contributing factors were clouds and the mountainous/hilly terrain.
- [NTSB MIA97LA125](https://openairdocs.org/ntsb/MIA97LA125.md): McDonnell Douglas DC10-30F · Memphis, TN · Accident · No injuries · Limited investigation · Final report · Apr 9, 1997 · N310FE · Substantial damage
  > A stall buffet or a high speed buffet event which occurred at an undetermined time.
- [NTSB ATL96FA094](https://openairdocs.org/ntsb/ATL96FA094.md): Cessna 172N · Arlington, TN · Accident · 1 fatal · Field investigation · Final report · Jun 14, 1996 · N73941 · Substantial damage
  > The pilot's failure to maintain clearance above the trees. A factor was the dark night.
- [NTSB ATL95FA013](https://openairdocs.org/ntsb/ATL95FA013.md): Cessna 152 · Dresden, TN · Accident · 2 fatal · Field investigation · Final report · Nov 9, 1994 · N24834 · Destroyed
  > The pilot in command's (CFI) impairment of judgment and performance due to alcohol and drugs, which led to his failure to maintain separation from terrain.
- [NTSB ATL89FA106](https://openairdocs.org/ntsb/ATL89FA106.md): Beech H35 · Knoxville, TN · Accident · 2 fatal · Field investigation · Final report · Mar 16, 1989 · N5403D · Substantial damage
  > The pilot's continued operation of the airplane with a known mechanical defect in the engine carburetor/fuel supply system as evidenced by the past history of engine stoppage during ground operation. Contributing to the accident was the pilot's performance of…
- [NTSB ATL83FKW01](https://openairdocs.org/ntsb/ATL83FKW01.md): Cessna 172P · Gallatin, TN · Accident · 2 fatal · Final report · Oct 9, 1982 · N5313K · Destroyed
  > Cessna 172P, N5313K crashed into a densely wooded area during the initial portion of cross-country flight. The pilot and his wife were killed but an infant son survived. Weather was not a factor.
- [NTSB ATL82DA203](https://openairdocs.org/ntsb/ATL82DA203.md): American AA-1 · Covington, TN · Accident · No injuries · Final report · Jul 17, 1982 · N5715L · Substantial damage
  > Prior to landing, the pilot checked his brakes to insure their integrity and noted that the left brake did not hold pressure. He elected to land on runway 01 since the hangar and ramp areas were located at the north end of the field and he didn't want to taxi…
- [NTSB MIA73FLT05](https://openairdocs.org/ntsb/MIA73FLT05.md): Cessna 150F · Memphis, TN · Accident · No injuries · Closed · Sep 23, 1972 · N8279S · Substantial damage

## 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."eventStateOrRegion" = 'TN' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 990)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/990/cases?state=TN

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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.