# NTSB investigations, OK: 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 FTW95LA247](https://openairdocs.org/ntsb/FTW95LA247.md): Air Tractor AT-301 · Guymon, OK · Accident · No injuries · Limited investigation · Final report · Jun 16, 1995 · N315PF · Destroyed
  > The pilot's failure to maintain airspeed. The high density altitude was a factor.
- [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 FTW84FA035](https://openairdocs.org/ntsb/FTW84FA035.md): Cessna 310 · Fairview, OK · Accident · 2 fatal · Field investigation · Final report · Oct 30, 1983 · N5343A · Destroyed
  > The acft was observed to take off at about 1830. Witnesses near the crash site reported seeing & hearing a low flying acft at about 2000 & stated the engs were running smoothly. There was fog in the low areas with visibility of less than 1/4 mi in those…
- [NTSB DCA82AA001](https://openairdocs.org/ntsb/DCA82AA001.md): Learjet 24 · Felt, OK · Accident · 3 fatal · Closed · Oct 1, 1981 · N44CJ · Destroyed
- [NTSB FTW81FA128](https://openairdocs.org/ntsb/FTW81FA128.md): Piper PA-28 · Mcalester, OK · Accident · 3 fatal · Closed · Jul 30, 1981 · N2209Z · Destroyed
- [NTSB FTW81FA121](https://openairdocs.org/ntsb/FTW81FA121.md): Mooney M20J · Eagletown, OK · Accident · 2 fatal · Closed · Jun 6, 1981 · N1039C · Destroyed
- [NTSB FTW81FA074](https://openairdocs.org/ntsb/FTW81FA074.md): Beech E35 · Fay, OK · Accident · 4 fatal · Closed · Apr 18, 1981 · N3281C · Destroyed
- [NTSB FTW81FA005](https://openairdocs.org/ntsb/FTW81FA005.md): Grum Amer AA-5B · Madill, OK · Accident · 4 fatal · Closed · Oct 16, 1980 · N28252 · Destroyed
- [NTSB FTW80FA046](https://openairdocs.org/ntsb/FTW80FA046.md): Piper PA-32 · Ardmore, OK · Accident · 5 fatal · Closed · Feb 20, 1980 · N56482 · Destroyed
- [NTSB FTW80FPM03](https://openairdocs.org/ntsb/FTW80FPM03.md): Benson B8M · Sand Springs, OK · Accident · 1 fatal · Closed · Nov 19, 1979 · N6933 · Destroyed
- [NTSB FTW79FA029](https://openairdocs.org/ntsb/FTW79FA029.md): Cessna 172N · Ada, OK · Accident · 4 fatal · Closed · Dec 20, 1978 · N75819 · Destroyed
- [NTSB FTW78FA006](https://openairdocs.org/ntsb/FTW78FA006.md): Piper PA-30 · Wetumka, OK · Accident · 2 fatal · Closed · Oct 23, 1977 · N7623Y · Destroyed
- [NTSB FTW77FA074](https://openairdocs.org/ntsb/FTW77FA074.md): Beech V35A · Idabel, OK · Accident · 3 fatal · Closed · Sep 12, 1977 · N800SC · Destroyed
- [NTSB FTW77FA071](https://openairdocs.org/ntsb/FTW77FA071.md): Piper PA-28R · Healdton, OK · Accident · 1 fatal · Closed · Aug 19, 1977 · N38140 · Destroyed
- [NTSB FTW76AF126](https://openairdocs.org/ntsb/FTW76AF126.md): Piper PA-28 · Greenfield, OK · Accident · 1 fatal · Closed · Sep 26, 1976 · N55481 · Destroyed
- [NTSB FTW76FPM30](https://openairdocs.org/ntsb/FTW76FPM30.md): Hughes 269C · Vinita, OK · Accident · Serious injuries · Closed · Sep 25, 1976 · N7453F · Destroyed
- [NTSB FTW76AF124](https://openairdocs.org/ntsb/FTW76AF124.md): Bellanca 17-30 · Eagletown, OK · Accident · 1 fatal · Closed · Sep 18, 1976 · N4885V · Destroyed
- [NTSB FTW76AF046](https://openairdocs.org/ntsb/FTW76AF046.md): Beech V35A · Davenport, OK · Accident · 1 fatal · Closed · Nov 21, 1975 · N7798R · Destroyed
- [NTSB FTW75AK018](https://openairdocs.org/ntsb/FTW75AK018.md): Aero Comdr 100 · Inola, OK · Accident · 3 fatal · Closed · Sep 10, 1974 · N2970T · Destroyed
- [NTSB FTW74AF065](https://openairdocs.org/ntsb/FTW74AF065.md): Beech 35 · Fanshawe, OK · Accident · 3 fatal · Closed · Mar 10, 1974 · N3125V · Destroyed
- [NTSB FTW74DPJ20](https://openairdocs.org/ntsb/FTW74DPJ20.md): Piper PA-25 · Eldorado, OK · Accident · No injuries · Closed · Jan 30, 1974 · N8848L · Substantial damage
- [NTSB FTW74AF044](https://openairdocs.org/ntsb/FTW74AF044.md): Piper PA-23 · Weatherford, OK · Accident · 2 fatal · Closed · Dec 18, 1973 · N14099 · Destroyed
- [NTSB FTW74AF037](https://openairdocs.org/ntsb/FTW74AF037.md): Cessna 180B · Enid, OK · Accident · 1 fatal · Closed · Nov 23, 1973 · N5083E · Destroyed
- [NTSB FTW73AF057](https://openairdocs.org/ntsb/FTW73AF057.md): Cessna 172G · Tuttle, OK · Accident · 3 fatal · Closed · Apr 7, 1973 · N7539G · Destroyed
- [NTSB FTW73AF039](https://openairdocs.org/ntsb/FTW73AF039.md): Lockheed TV-2 · Burns Flat, OK · Accident · 1 fatal · Closed · Jan 24, 1973 · N152 · Destroyed
- [NTSB FTW69A0009](https://openairdocs.org/ntsb/FTW69A0009.md): Cessna U206C · Miami, OK · Accident · 6 fatal · Closed · Aug 19, 1968 · N3996G · Destroyed
- [NTSB FTW68A0057](https://openairdocs.org/ntsb/FTW68A0057.md): Piper PA-22 · Porum, OK · Accident · 1 fatal · Closed · Dec 1, 1967 · N7007B · Destroyed
- [NTSB FTW68A0056](https://openairdocs.org/ntsb/FTW68A0056.md): Piper PA-24 · Enid, OK · Accident · 2 fatal · Closed · Nov 30, 1967 · N6020P · Destroyed
- [NTSB FTW68A0023](https://openairdocs.org/ntsb/FTW68A0023.md): Piper PA-28 · Springer, OK · Accident · 2 fatal · Closed · Aug 31, 1967 · N7452R · Destroyed
- [NTSB FTW68A0012](https://openairdocs.org/ntsb/FTW68A0012.md): Piper PA-16 · Duncan, OK · Accident · 2 fatal · Closed · Aug 2, 1967 · N5800H · Destroyed
- [NTSB FTW68A0005](https://openairdocs.org/ntsb/FTW68A0005.md): Piper PA-28 · Tonkawa, OK · Accident · 2 fatal · Closed · Jul 16, 1967 · N8954J · Destroyed
- [NTSB MKC66A0056](https://openairdocs.org/ntsb/MKC66A0056.md): Piper PA-22 · Elk City, OK · Accident · 1 fatal · Closed · Apr 29, 1966 · N2802P · Destroyed
- [NTSB FTW66A0041](https://openairdocs.org/ntsb/FTW66A0041.md): Cessna 182H · Moore, OK · Accident · 2 fatal · Closed · Nov 5, 1965 · N1850X · Destroyed
- [NTSB FTW66A0040](https://openairdocs.org/ntsb/FTW66A0040.md): Beech 95-55 · Lawton, OK · Accident · 2 fatal · Closed · Nov 3, 1965 · N1344Z · Destroyed
- [NTSB FTW66A0035](https://openairdocs.org/ntsb/FTW66A0035.md): Cessna 182B · Tulsa, OK · Accident · 1 fatal · Closed · Oct 7, 1965 · N2300G · Destroyed
- [NTSB FTW66A0007](https://openairdocs.org/ntsb/FTW66A0007.md): Cessna 172 · 2e Chelsea, OK · Accident · 1 fatal · Closed · Jul 25, 1965 · N7031A · Destroyed
- [NTSB FTW65A0077](https://openairdocs.org/ntsb/FTW65A0077.md): Hughes 269A · Oklahoma Cty, OK · Accident · Serious injuries · Closed · Jan 25, 1965 · N8883F · Destroyed
- [NTSB FTW65A0067](https://openairdocs.org/ntsb/FTW65A0067.md): Cessna 182B · Kla City, OK · Accident · 3 fatal · Closed · Jan 5, 1965 · N2401G · 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" = 'OK' 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=OK

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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.