# 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 27 of 44 · 2,192 cases

## Cases, newest first

- [NTSB MIA71AM089](https://openairdocs.org/ntsb/MIA71AM089.md): Piper PA-28 · Yabucoa, PR · Accident · 4 fatal · Closed · Apr 18, 1971 · N4853L · Destroyed
- [NTSB CHI71AC078](https://openairdocs.org/ntsb/CHI71AC078.md): Mooney M20C · Muncie, IN · Accident · 2 fatal · Closed · Apr 18, 1971 · N3427X · Destroyed
- [NTSB CHI71AC079](https://openairdocs.org/ntsb/CHI71AC079.md): Cessna 182L · Ionia, MI · Accident · 2 fatal · Closed · Apr 13, 1971 · N42241 · Destroyed
- [NTSB MIA71AM090](https://openairdocs.org/ntsb/MIA71AM090.md): Beech P35 · Marathon, FL · Accident · 1 fatal · Closed · Apr 8, 1971 · N1562S · Destroyed
- [NTSB CHI71AC074](https://openairdocs.org/ntsb/CHI71AC074.md): Mooney M20E · Willoughby, OH · Accident · 4 fatal · Closed · Apr 8, 1971 · N5544Q · Destroyed
- [NTSB NYC71AN097](https://openairdocs.org/ntsb/NYC71AN097.md): Beech 35-B33 · Forestville, NY · Accident · 1 fatal · Closed · Apr 3, 1971 · N1548Z · Destroyed
- [NTSB CHI71AC071](https://openairdocs.org/ntsb/CHI71AC071.md): Beech 35-B33 · Bellaire, MI · Accident · 1 fatal · Closed · Apr 3, 1971 · CF-RGX · Destroyed
- [NTSB FTW71AF067](https://openairdocs.org/ntsb/FTW71AF067.md): Cessna 310L · Crowley, LA · Accident · 1 fatal · Closed · Apr 1, 1971 · N13PS · Destroyed
- [NTSB MIA71AM087](https://openairdocs.org/ntsb/MIA71AM087.md): Beech N35 · Newport, FL · Accident · 2 fatal · Closed · Mar 28, 1971 · N2223Z · Destroyed
- [NTSB MIA71FLD54](https://openairdocs.org/ntsb/MIA71FLD54.md): Enstrom F28A · Daytona Beach, FL · Accident · No injuries · Closed · Mar 27, 1971 · N9553 · Substantial damage
- [NTSB SEA71FVQ20](https://openairdocs.org/ntsb/SEA71FVQ20.md): Luscombe 8E · Lakeview, OR · Accident · 1 fatal · Closed · Mar 26, 1971 · N1867K · Destroyed
- [NTSB MKC71FDM50](https://openairdocs.org/ntsb/MKC71FDM50.md): Aero Comdr 100 · Vineland, MN · Accident · Minor injuries · Closed · Mar 26, 1971 · N5503M · Destroyed
- [NTSB LAX71AL059](https://openairdocs.org/ntsb/LAX71AL059.md): Cessna 182 · Jerome, AZ · Accident · 2 fatal · Closed · Mar 24, 1971 · N3797U · Destroyed
- [NTSB LAX71FUQ69](https://openairdocs.org/ntsb/LAX71FUQ69.md): Bensen B-8 · Tehachapi, CA · Accident · No injuries · Closed · Mar 18, 1971 · N9754 · Substantial damage
- [NTSB OAK71AP034](https://openairdocs.org/ntsb/OAK71AP034.md): Piper PA-28 · Salinas, CA · Accident · 1 fatal · Closed · Mar 16, 1971 · N9298J · Destroyed
- [NTSB CHI71AC064](https://openairdocs.org/ntsb/CHI71AC064.md): Piper PA-32 · Geneva, IL · Accident · 5 fatal · Closed · Mar 13, 1971 · N3955W · Destroyed
- [NTSB OAK71FXQ28](https://openairdocs.org/ntsb/OAK71FXQ28.md): Piper PA-28 · Al Tahoe, CA · Accident · Serious injuries · Closed · Feb 25, 1971 · N6765J · Destroyed
- [NTSB MIA71AM079](https://openairdocs.org/ntsb/MIA71AM079.md): Stinson 108-3 · W.Palm Beach, FL · Accident · 1 fatal · Closed · Feb 25, 1971 · N6387M · Destroyed
- [NTSB FTW71AF053](https://openairdocs.org/ntsb/FTW71AF053.md): Piper PA-28R · Andrews, TX · Accident · 2 fatal · Closed · Feb 24, 1971 · N3999T · Destroyed
- [NTSB DEN71AD035](https://openairdocs.org/ntsb/DEN71AD035.md): Navion A · Orogrande, NM · Accident · 2 fatal · Closed · Feb 21, 1971 · N8726H · Destroyed
- [NTSB FTW71AF050](https://openairdocs.org/ntsb/FTW71AF050.md): Piper PA-23 · Athens, TX · Accident · 4 fatal · Closed · Feb 19, 1971 · N4971C · Destroyed
- [NTSB MKC71AK046](https://openairdocs.org/ntsb/MKC71AK046.md): Champion 8KCAB · Clinton, IA · Accident · 1 fatal · Closed · Feb 18, 1971 · N9020L · Destroyed
- [NTSB UNK71X0106](https://openairdocs.org/ntsb/UNK71X0106.md): Beech M35 · Oshawa, Canada · Accident · 2 fatal · Closed · Feb 17, 1971 · N9812R · Destroyed
- [NTSB NYC71AN087](https://openairdocs.org/ntsb/NYC71AN087.md): Piper PA-28 · Hallstead, PA · Accident · 3 fatal · Closed · Feb 17, 1971 · N9711J · Destroyed
- [NTSB FTW71AF047](https://openairdocs.org/ntsb/FTW71AF047.md): Cessna 182 · Junction, TX · Accident · 4 fatal · Closed · Feb 14, 1971 · N6492A · Destroyed
- [NTSB CHI71AC056](https://openairdocs.org/ntsb/CHI71AC056.md): Cessna 172G · Chevrolet, KY · Accident · 1 fatal · Closed · Jan 30, 1971 · N4356L · Destroyed
- [NTSB CHI71FBJ56](https://openairdocs.org/ntsb/CHI71FBJ56.md): Cessna 150H · Gladstone, MI · Accident · Minor injuries · Closed · Jan 25, 1971 · N22587 · Substantial damage
- [NTSB SEA71AS035](https://openairdocs.org/ntsb/SEA71AS035.md): Piper PA-28 · Oakridge, OR · Accident · 3 fatal · Closed · Jan 22, 1971 · N8373R · Destroyed
- [NTSB MIA71FLD47](https://openairdocs.org/ntsb/MIA71FLD47.md): Piper PA-28 · St Petersburg, FL · Accident · 1 fatal · Closed · Jan 22, 1971 · N6600J · Destroyed
- [NTSB FTW71AF040](https://openairdocs.org/ntsb/FTW71AF040.md): Piper PA-22 · Franklin, LA · Accident · 2 fatal · Closed · Jan 17, 1971 · N8101C · Destroyed
- [NTSB NYC71AN080](https://openairdocs.org/ntsb/NYC71AN080.md): Piper PA-32 · Shrewsbury, VT · Accident · 5 fatal · Closed · Jan 15, 1971 · N4850S · Destroyed
- [NTSB SEA71AS033](https://openairdocs.org/ntsb/SEA71AS033.md): Aero Comdr 500 · Carson, WA · Accident · 1 fatal · Closed · Jan 9, 1971 · N8473C · Destroyed
- [NTSB MIA71AM058](https://openairdocs.org/ntsb/MIA71AM058.md): Cessna 172K · Lake City, FL · Accident · 2 fatal · Closed · Jan 6, 1971 · N84438 · Destroyed
- [NTSB MIA71AM055](https://openairdocs.org/ntsb/MIA71AM055.md): Aero Comdr 100 · Boca Raton, FL · Accident · 2 fatal · Closed · Jan 3, 1971 · N5534M · Destroyed
- [NTSB MKC71AK036](https://openairdocs.org/ntsb/MKC71AK036.md): Cessna 182 · Mexico, MO · Accident · 3 fatal · Closed · Dec 22, 1970 · N3924D · Destroyed
- [NTSB SEA71AS030](https://openairdocs.org/ntsb/SEA71AS030.md): Mooney M20E · Amity, OR · Accident · 2 fatal · Closed · Dec 20, 1970 · N1983Y · Destroyed
- [NTSB DEN71AD028](https://openairdocs.org/ntsb/DEN71AD028.md): Cessna T310P · Cheyenne, WY · Accident · 1 fatal · Closed · Dec 18, 1970 · N5810M · Destroyed
- [NTSB IAD71DIJ13](https://openairdocs.org/ntsb/IAD71DIJ13.md): Piper PA-28 · Morgantown, WV · Accident · No injuries · Closed · Dec 17, 1970 · N8986J · Substantial damage
- [NTSB CHI71AC042](https://openairdocs.org/ntsb/CHI71AC042.md): Piper PA-28 · Effingham, IL · Accident · 3 fatal · Closed · Dec 17, 1970 · N4253J · Destroyed
- [NTSB LAX71DUQ48](https://openairdocs.org/ntsb/LAX71DUQ48.md): Forney F-1A · Rosamond, CA · Accident · Serious injuries · Closed · Dec 16, 1970 · N3542H · Destroyed
- [NTSB MKC71AK033](https://openairdocs.org/ntsb/MKC71AK033.md): Cessna 172 · Garden City, KS · Accident · 3 fatal · Closed · Dec 15, 1970 · N6064A · Destroyed
- [NTSB FTW71AF032](https://openairdocs.org/ntsb/FTW71AF032.md): Stinson 108-1 · Beaumont, TX · Accident · 1 fatal · Closed · Dec 15, 1970 · N9094K · Destroyed
- [NTSB FTW71DRD29](https://openairdocs.org/ntsb/FTW71DRD29.md): Bell 206A · Leeville, LA · Accident · Serious injuries · Closed · Dec 14, 1970 · N7850S · Substantial damage
- [NTSB MIA71AM050](https://openairdocs.org/ntsb/MIA71AM050.md): Beech 35 · Crystal River, FL · Accident · 2 fatal · Closed · Dec 12, 1970 · N3077V · Destroyed
- [NTSB MKC71AK032](https://openairdocs.org/ntsb/MKC71AK032.md): Piper PA-22 · Rapid City, SD · Accident · 1 fatal · Closed · Dec 9, 1970 · N6920B · Destroyed
- [NTSB ANC71AA031](https://openairdocs.org/ntsb/ANC71AA031.md): Maule M4-210 · Anchorage, AK · Accident · 2 fatal · Closed · Dec 6, 1970 · N9829M · Destroyed
- [NTSB MKC71AK028](https://openairdocs.org/ntsb/MKC71AK028.md): Cessna 182M · Kingsville, MO · Accident · 2 fatal · Closed · Nov 26, 1970 · N71319 · Destroyed
- [NTSB LAX72AL021](https://openairdocs.org/ntsb/LAX72AL021.md): Piper PA-28 · Mcnary, AZ · Accident · 2 fatal · Closed · Nov 26, 1970 · N7509W · Destroyed
- [NTSB SEA71AS027](https://openairdocs.org/ntsb/SEA71AS027.md): Piper PA-24 · St.Charles, ID · Accident · 4 fatal · Closed · Nov 25, 1970 · N8724P · Destroyed
- [NTSB NYC71AN063](https://openairdocs.org/ntsb/NYC71AN063.md): Cessna 310P · Grove City, PA · Accident · 3 fatal · Closed · Nov 20, 1970 · N5789M · Destroyed

Next page: https://openairdocs.org/ntsb-phases/650/cases.md?page=28

## 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=27

---
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.