# NTSB investigations, KY: 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.

## Latest cases

- [NTSB NYC01FA089](https://openairdocs.org/ntsb/NYC01FA089.md): Cessna 182Q · Dixon, KY · Accident · 1 fatal · Field investigation · Final report · Mar 24, 2001 · N4752N · Destroyed
  > The pilot's failure to maintain adequate clearance while maneuvering, which resulted in an in-flight collision with trees.
- [NTSB ATL81FA074](https://openairdocs.org/ntsb/ATL81FA074.md): Bell 47G2A1 · Covington, KY · Accident · 2 fatal · Closed · May 20, 1981 · N73263 · Destroyed
- [NTSB IAD79FA065](https://openairdocs.org/ntsb/IAD79FA065.md): Cessna 172 · Jenkins, KY · Accident · 1 fatal · Closed · Jul 26, 1979 · N9138B · Destroyed
- [NTSB IAD79FA053](https://openairdocs.org/ntsb/IAD79FA053.md): Cessna 172N · Mackville, KY · Accident · 1 fatal · Closed · Jun 1, 1979 · N1667E · Destroyed
- [NTSB IAD79DLQ13](https://openairdocs.org/ntsb/IAD79DLQ13.md): Cessna 210 · Pirates Cove, KY · Accident · No injuries · Closed · May 18, 1979 · N1189Q · Destroyed
- [NTSB IAD79FA035](https://openairdocs.org/ntsb/IAD79FA035.md): Piper PA-32R · Glenville, KY · Accident · 4 fatal · Closed · Feb 23, 1979 · N2754Q · Destroyed
- [NTSB IAD78FA073](https://openairdocs.org/ntsb/IAD78FA073.md): Piper PA-23 · Marion, KY · Accident · 1 fatal · Closed · Jun 22, 1978 · N5421Y · Destroyed
- [NTSB IAD78FA052](https://openairdocs.org/ntsb/IAD78FA052.md): Cessna 172E · Leitchfield, KY · Accident · 2 fatal · Closed · Mar 17, 1978 · N5615T · Destroyed
- [NTSB IAD78FA005](https://openairdocs.org/ntsb/IAD78FA005.md): Beech D35 · Livingston, KY · Accident · 3 fatal · Closed · Oct 15, 1977 · N2982B · Destroyed
- [NTSB IAD77FA044](https://openairdocs.org/ntsb/IAD77FA044.md): Bellanca 14-19 · Robinson Creek, KY · Accident · 3 fatal · Closed · Jun 6, 1977 · N1293R · Destroyed
- [NTSB IAD74AI042](https://openairdocs.org/ntsb/IAD74AI042.md): Aero Comdr 680FP · Cynthiana, KY · Accident · 3 fatal · Closed · Feb 5, 1974 · N46832 · Destroyed
- [NTSB IAD74AI037](https://openairdocs.org/ntsb/IAD74AI037.md): Bellanca 7KCAB · Munfordville, KY · Accident · 1 fatal · Closed · Dec 29, 1973 · N711RD · Destroyed
- [NTSB IAD74AI025](https://openairdocs.org/ntsb/IAD74AI025.md): Mooney M20C · Cromwell, KY · Accident · 2 fatal · Closed · Nov 4, 1973 · N3361X · Destroyed
- [NTSB DCA73A0002](https://openairdocs.org/ntsb/DCA73A0002.md): Beech G18S · Elkton, KY · Accident · 11 fatal · Closed · Nov 17, 1972 · N2700S · Destroyed
- [NTSB CHI72AC069](https://openairdocs.org/ntsb/CHI72AC069.md): Piper PA-28 · Walton, KY · Accident · 3 fatal · Closed · Mar 4, 1972 · N98038 · Destroyed
- [NTSB CHI72AC028](https://openairdocs.org/ntsb/CHI72AC028.md): Piper PA-28 · Adolphus, KY · Accident · 1 fatal · Closed · Sep 25, 1971 · N9935W · Destroyed
- [NTSB CHI71AC056](https://openairdocs.org/ntsb/CHI71AC056.md): Cessna 172G · Chevrolet, KY · Accident · 1 fatal · Closed · Jan 30, 1971 · N4356L · Destroyed
- [NTSB MKC70A0026](https://openairdocs.org/ntsb/MKC70A0026.md): Cessna 182 · Elizabethtown, KY · Accident · 1 fatal · Closed · Nov 9, 1969 · N6475A · Destroyed
- [NTSB CHI70A0031](https://openairdocs.org/ntsb/CHI70A0031.md): Piper PA-32 · Jonestown, KY · Accident · 6 fatal · Closed · Nov 8, 1969 · N3668W · Destroyed
- [NTSB CHI68A0139](https://openairdocs.org/ntsb/CHI68A0139.md): Beech 35-B33 · Smith Mills, KY · Accident · 2 fatal · Closed · Jun 24, 1967 · N8659M · Destroyed
- [NTSB CHI67A0130](https://openairdocs.org/ntsb/CHI67A0130.md): Piper PA-22 · Barrier, KY · Accident · Serious injuries · Closed · Jun 12, 1967 · N1782P · Destroyed
- [NTSB CHI67A0060](https://openairdocs.org/ntsb/CHI67A0060.md): Beech G35 · Cadiz, KY · Accident · 4 fatal · Closed · Nov 5, 1966 · N4674D · Destroyed

## 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" = 'KY' AND c."eventCountry" = 'USA'
  AND 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?state=KY

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