# 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 41 of 44 · 2,192 cases

## Cases, newest first

- [NTSB MIA66A0038](https://openairdocs.org/ntsb/MIA66A0038.md): Cessba 140 · Trenton, AL · Accident · 1 fatal · Closed · Oct 1, 1965 · N77409 · Destroyed
- [NTSB CHI66A0031](https://openairdocs.org/ntsb/CHI66A0031.md): Cessna 172 · White Cloud, MI · Accident · 3 fatal · Closed · Sep 30, 1965 · N8413U · Destroyed
- [NTSB DEN66A0023](https://openairdocs.org/ntsb/DEN66A0023.md): Bell 47G3B1 · Monticello, UT · Accident · 1 fatal · Closed · Sep 28, 1965 · N1127W · Destroyed
- [NTSB UNK65X1537](https://openairdocs.org/ntsb/UNK65X1537.md): Beechcraft C-45H · Bao Trai, VM · Accident · 3 fatal · Closed · Sep 27, 1965 · N9574Z · Destroyed
- [NTSB NYC66A0036](https://openairdocs.org/ntsb/NYC66A0036.md): Piper PA-23 · Glen Burnie, MD · Accident · 1 fatal · Closed · Sep 20, 1965 · N5759Y · Destroyed
- [NTSB CHI66A0028](https://openairdocs.org/ntsb/CHI66A0028.md): Aeronca 7AC · Whitewater, WI · Accident · 1 fatal · Closed · Sep 17, 1965 · N2334E · Destroyed
- [NTSB MIA66A0030](https://openairdocs.org/ntsb/MIA66A0030.md): Cessna 172B · Englewood, FL · Accident · 1 fatal · Closed · Sep 12, 1965 · N7652X · Destroyed
- [NTSB ANC66AA011](https://openairdocs.org/ntsb/ANC66AA011.md): Stinson 108-2 · Council, AK · Accident · 2 fatal · Closed · Sep 12, 1965 · N314C · Destroyed
- [NTSB SEA66A0021](https://openairdocs.org/ntsb/SEA66A0021.md): Navion B · Judith Gap, MT · Accident · 2 fatal · Closed · Sep 11, 1965 · N4400K · Destroyed
- [NTSB OAK66A0009](https://openairdocs.org/ntsb/OAK66A0009.md): Cessna 172D · Kyburz, CA · Accident · 1 fatal · Closed · Sep 7, 1965 · N8282U · Destroyed
- [NTSB NYC66A0032](https://openairdocs.org/ntsb/NYC66A0032.md): Stinson 108-3 · Milroy, PA · Accident · 1 fatal · Closed · Sep 5, 1965 · N6353M · Destroyed
- [NTSB ANC66A0008](https://openairdocs.org/ntsb/ANC66A0008.md): Piper PA-12 · Anchorage, AK · Accident · 3 fatal · Closed · Sep 3, 1965 · N7196B · Destroyed
- [NTSB FTW66F0228](https://openairdocs.org/ntsb/FTW66F0228.md): Piper PA-18 · Booker, TX · Accident · Minor injuries · Closed · Aug 21, 1965 · N256T · Substantial damage
- [NTSB CHI66A0019](https://openairdocs.org/ntsb/CHI66A0019.md): Mooney M-20C · Beloit, WI · Accident · 1 fatal · Closed · Aug 20, 1965 · N6701U · Destroyed
- [NTSB MIA66A0023](https://openairdocs.org/ntsb/MIA66A0023.md): Cessna 182B · Logtown, MS · Accident · 4 fatal · Closed · Aug 19, 1965 · N2345G · Destroyed
- [NTSB ANC66A0005](https://openairdocs.org/ntsb/ANC66A0005.md): Aeronca 7DC · 40ssw Tok, AK · Accident · 2 fatal · Closed · Aug 16, 1965 · N4438E · Destroyed
- [NTSB ANC66A0003](https://openairdocs.org/ntsb/ANC66A0003.md): Bell 47J2 · Seldovia, AK · Accident · Serious injuries · Closed · Aug 13, 1965 · N73922 · Destroyed
- [NTSB LAX66A0016](https://openairdocs.org/ntsb/LAX66A0016.md): Lockheed P-38 · Los Olivos, CA · Accident · 1 fatal · Closed · Aug 4, 1965 · N504MH · Destroyed
- [NTSB OAK66F0091](https://openairdocs.org/ntsb/OAK66F0091.md): Cessna 172 · Concord, CA · Accident · No injuries · Closed · Jul 25, 1965 · N2559Y · Substantial damage
- [NTSB FTW66A0007](https://openairdocs.org/ntsb/FTW66A0007.md): Cessna 172 · 2e Chelsea, OK · Accident · 1 fatal · Closed · Jul 25, 1965 · N7031A · Destroyed
- [NTSB MIA66A0014](https://openairdocs.org/ntsb/MIA66A0014.md): Piper PA-24 · Parrish, AL · Accident · 1 fatal · Closed · Jul 24, 1965 · N8616P · Destroyed
- [NTSB NYC66A0026](https://openairdocs.org/ntsb/NYC66A0026.md): Cessna 310 · Livingstn Manr, NY · Accident · 2 fatal · Closed · Jul 22, 1965 · N8001M · Destroyed
- [NTSB CHI66A0009](https://openairdocs.org/ntsb/CHI66A0009.md): Cessna 150C · Wausau, WI · Accident · 1 fatal · Closed · Jul 18, 1965 · N7936Z · Destroyed
- [NTSB NYC66A0008](https://openairdocs.org/ntsb/NYC66A0008.md): Piper PA-23 · Jersey City, NJ · Accident · 1 fatal · Closed · Jul 15, 1965 · N4536P · Destroyed
- [NTSB NYC66A0003](https://openairdocs.org/ntsb/NYC66A0003.md): Hughes 269B · Waldorf, MD · Accident · 1 fatal · Closed · Jul 8, 1965 · N942OF · Destroyed
- [NTSB LAX66A0003](https://openairdocs.org/ntsb/LAX66A0003.md): Beechcraft 23 · Steamboat, NV · Accident · 2 fatal · Closed · Jul 6, 1965 · N8752M · Destroyed
- [NTSB DEN66D0108](https://openairdocs.org/ntsb/DEN66D0108.md): Aeronca 7AC · Boulder City, NV · Accident · No injuries · Closed · Jul 5, 1965 · N83376 · Destroyed
- [NTSB CHI66A0002](https://openairdocs.org/ntsb/CHI66A0002.md): Piper PA-16 · Lake Delton, WI · Accident · 1 fatal · Closed · Jul 4, 1965 · N6866K · Destroyed
- [NTSB CHI66A0003](https://openairdocs.org/ntsb/CHI66A0003.md): Cessna 210 · Meppen, IL · Accident · 2 fatal · Closed · Jun 30, 1965 · N6587X · Destroyed
- [NTSB SEA65A0068](https://openairdocs.org/ntsb/SEA65A0068.md): Cessna 210 · Opheim, MT · Accident · 1 fatal · Closed · Jun 21, 1965 · N9418T · Destroyed
- [NTSB MIA65A0122](https://openairdocs.org/ntsb/MIA65A0122.md): Beechcraft 35C · 6nw Bolivia, NC · Accident · 5 fatal · Closed · Jun 18, 1965 · N1838D · Destroyed
- [NTSB DEN65A0082](https://openairdocs.org/ntsb/DEN65A0082.md): Champion 7ECA · Alcova, WY · Accident · 2 fatal · Closed · Jun 16, 1965 · N11060 · Destroyed
- [NTSB DEN65A0081](https://openairdocs.org/ntsb/DEN65A0081.md): Cessna 150D · Byers, CO · Accident · 1 fatal · Closed · Jun 15, 1965 · N4197U · Destroyed
- [NTSB NYC66F0005](https://openairdocs.org/ntsb/NYC66F0005.md): Piper PA12 · Weare, NH · Accident · Serious injuries · Closed · Jun 13, 1965 · N7928H · Destroyed
- [NTSB MKC65A0074](https://openairdocs.org/ntsb/MKC65A0074.md): Beechcraft 35-33 · 10s Maryville, MO · Accident · 4 fatal · Closed · Jun 13, 1965 · N9957R · Destroyed
- [NTSB MKC65A0073](https://openairdocs.org/ntsb/MKC65A0073.md): Aeronca 7AC · Winner, SD · Accident · 2 fatal · Closed · Jun 10, 1965 · N2042E · Destroyed
- [NTSB NYC65A0144](https://openairdocs.org/ntsb/NYC65A0144.md): Taylorcraft BC12D1 · Amherst, NY · Accident · 1 fatal · Closed · Jun 9, 1965 · N5488M · Destroyed
- [NTSB LAX65A0093](https://openairdocs.org/ntsb/LAX65A0093.md): Beechcraft C-18S · Corona Dl Mar, CA · Accident · 9 fatal · Closed · May 29, 1965 · N9107R · Destroyed
- [NTSB MKC66F0004](https://openairdocs.org/ntsb/MKC66F0004.md): Piper PA-22 · Imperial, NE · Accident · Serious injuries · Closed · May 28, 1965 · N2661P · Destroyed
- [NTSB SEA65A0064](https://openairdocs.org/ntsb/SEA65A0064.md): Cessna 182C · Forks, WA · Accident · 1 fatal · Closed · May 26, 1965 · N8536T · Destroyed
- [NTSB LAX65A0090](https://openairdocs.org/ntsb/LAX65A0090.md): Cessna 172D · Etiwanda, CA · Accident · 2 fatal · Closed · May 22, 1965 · N2597U · Destroyed
- [NTSB OAK65A0067](https://openairdocs.org/ntsb/OAK65A0067.md): N American Navion · 2ne Colfax, CA · Accident · 3 fatal · Closed · May 20, 1965 · N91544 · Destroyed
- [NTSB MKC66A0011](https://openairdocs.org/ntsb/MKC66A0011.md): Cessna 140A · Ava, MO · Accident · 1 fatal · Closed · May 19, 1965 · N5653C · Destroyed
- [NTSB MKC65A0066](https://openairdocs.org/ntsb/MKC65A0066.md): Beechcraft 35 · Intnl Falls, MN · Accident · 2 fatal · Closed · May 14, 1965 · N8836A · Destroyed
- [NTSB LAX65A0088](https://openairdocs.org/ntsb/LAX65A0088.md): Stinson 108-1 · Newport Beach, CA · Accident · 1 fatal · Closed · May 10, 1965 · N8655K · Destroyed
- [NTSB FTW65A0111](https://openairdocs.org/ntsb/FTW65A0111.md): Cessna 182 · Mabank, TX · Accident · 3 fatal · Closed · May 9, 1965 · N4841D · Destroyed
- [NTSB CHI65F0143](https://openairdocs.org/ntsb/CHI65F0143.md): Navion NAV-4 · Athens, OH · Accident · Serious injuries · Closed · May 9, 1965 · N8937H · Destroyed
- [NTSB OAK65A0066](https://openairdocs.org/ntsb/OAK65A0066.md): Cessna 172 · Lake Tahoe, CA · Accident · 1 fatal · Closed · May 8, 1965 · N8704U · Destroyed
- [NTSB DEN65A0069](https://openairdocs.org/ntsb/DEN65A0069.md): Cessna 182A · 8s Cheyenne, WY · Accident · 1 fatal · Closed · May 3, 1965 · N9987T · Destroyed
- [NTSB MKC65A0064](https://openairdocs.org/ntsb/MKC65A0064.md): Piper PA-28 · 4sw Holden, MO · Accident · 1 fatal · Closed · May 2, 1965 · N8119W · Destroyed

Next page: https://openairdocs.org/ntsb-phases/650/cases.md?page=42

## 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=41

---
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.