# 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 31 of 44 · 2,192 cases

## Cases, newest first

- [NTSB NYC70A0033](https://openairdocs.org/ntsb/NYC70A0033.md): Cessna 172G · Germantown, NY · Accident · 2 fatal · Closed · Sep 14, 1969 · N4601L · Destroyed
- [NTSB CHI70F0290](https://openairdocs.org/ntsb/CHI70F0290.md): Beech F35 · Freeland, MI · Accident · No injuries · Closed · Sep 13, 1969 · N3357C · Destroyed
- [NTSB OAK70A0018](https://openairdocs.org/ntsb/OAK70A0018.md): Dehavilland DH104 · San Francisco, CA · Accident · 1 fatal · Closed · Sep 11, 1969 · N13114 · Destroyed
- [NTSB DEN70A0019](https://openairdocs.org/ntsb/DEN70A0019.md): Piper PA-28 · Eads, CO · Accident · 1 fatal · Closed · Sep 9, 1969 · N4173J · Destroyed
- [NTSB NYC70A0032](https://openairdocs.org/ntsb/NYC70A0032.md): Piper PA-28 · Sandisfield, MA · Accident · 1 fatal · Closed · Sep 7, 1969 · N1735J · Destroyed
- [NTSB MKC70A0008](https://openairdocs.org/ntsb/MKC70A0008.md): Cessna 172H · Newton, IA · Accident · 3 fatal · Closed · Aug 31, 1969 · N3149X · Destroyed
- [NTSB MKC70A0007](https://openairdocs.org/ntsb/MKC70A0007.md): Piper PA-22 · Loup City, NE · Accident · 1 fatal · Closed · Aug 30, 1969 · N3306A · Destroyed
- [NTSB MIA70D0220](https://openairdocs.org/ntsb/MIA70D0220.md): Hughes 269A · Lugoff, SC · Accident · No injuries · Closed · Aug 29, 1969 · N8937F · Substantial damage
- [NTSB SEA70A0010](https://openairdocs.org/ntsb/SEA70A0010.md): Cessna 140 · Newport, OR · Accident · 1 fatal · Closed · Aug 14, 1969 · N2225N · Destroyed
- [NTSB NYC70D0144](https://openairdocs.org/ntsb/NYC70D0144.md): Piper PA-28 · Lake Placid, NY · Accident · Serious injuries · Closed · Aug 9, 1969 · N6483R · Substantial damage
- [NTSB UNK69X0140](https://openairdocs.org/ntsb/UNK69X0140.md): Mini Mustng 01 · Abbotsford, Canada · Accident · 1 fatal · Closed · Aug 8, 1969 · N9N · Destroyed
- [NTSB MIA70F0090](https://openairdocs.org/ntsb/MIA70F0090.md): Bell 47D1 · Belzoni, MS · Accident · No injuries · Closed · Jul 30, 1969 · N54154 · Substantial damage
- [NTSB MIA70A0005](https://openairdocs.org/ntsb/MIA70A0005.md): Beech D35 · Live Oak, FL · Accident · 2 fatal · Closed · Jul 28, 1969 · N3471B · Destroyed
- [NTSB IAD70A0008](https://openairdocs.org/ntsb/IAD70A0008.md): Cessna 172 · Amherstdale, WV · Accident · 3 fatal · Closed · Jul 27, 1969 · N8460X · Destroyed
- [NTSB MIA70F0184](https://openairdocs.org/ntsb/MIA70F0184.md): Bell 47G-5 · Largo, FL · Accident · No injuries · Closed · Jul 23, 1969 · N4041G · Destroyed
- [NTSB FTW70A0003](https://openairdocs.org/ntsb/FTW70A0003.md): Piper PA-22 · Sulphur, LA · Accident · 1 fatal · Closed · Jul 22, 1969 · N3583A · Destroyed
- [NTSB NYC70F0074](https://openairdocs.org/ntsb/NYC70F0074.md): Bell 206A · Spring Valley, NY · Accident · No injuries · Closed · Jul 20, 1969 · N4781R · Destroyed
- [NTSB CHI70F0128](https://openairdocs.org/ntsb/CHI70F0128.md): Cessna 140 · Findlay, OH · Accident · Minor injuries · Closed · Jul 19, 1969 · N4064N · Destroyed
- [NTSB LAX70D0049](https://openairdocs.org/ntsb/LAX70D0049.md): Schweizer SGS2-3 · Chula Vista, CA · Accident · No injuries · Closed · Jul 13, 1969 · N2498W · Substantial damage
- [NTSB SEA70A0002](https://openairdocs.org/ntsb/SEA70A0002.md): Globe GC-1B · Winlock, WA · Accident · 2 fatal · Closed · Jul 10, 1969 · N78155 · Destroyed
- [NTSB MIA70D0247](https://openairdocs.org/ntsb/MIA70D0247.md): Piper PA-18A · Warwick, GA · Accident · No injuries · Closed · Jul 7, 1969 · N7165D · Substantial damage
- [NTSB DCA70A0001](https://openairdocs.org/ntsb/DCA70A0001.md): Beech B99 · Monroe, GA · Accident · 14 fatal · Closed · Jul 6, 1969 · N844NS · Destroyed
- [NTSB NYC70A0003](https://openairdocs.org/ntsb/NYC70A0003.md): Beech D55 · Cortland, NY · Accident · 6 fatal · Closed · Jul 4, 1969 · N7900R · Destroyed
- [NTSB NYC70A0002](https://openairdocs.org/ntsb/NYC70A0002.md): Piper PA-28 · Falmouth, MA · Accident · 1 fatal · Closed · Jul 1, 1969 · N6780J · Destroyed
- [NTSB UNK69X0128](https://openairdocs.org/ntsb/UNK69X0128.md): Beech 35 · Westwold, Canada · Accident · 3 fatal · Closed · Jun 28, 1969 · N2800V · Destroyed
- [NTSB DEN69A0053](https://openairdocs.org/ntsb/DEN69A0053.md): Cessna 182C · Great Falls, MT · Accident · 4 fatal · Closed · Jun 25, 1969 · N8847T · Destroyed
- [NTSB DEN69A0051](https://openairdocs.org/ntsb/DEN69A0051.md): Cessna 172G · Karval, CO · Accident · 1 fatal · Closed · Jun 23, 1969 · N4192L · Destroyed
- [NTSB OAK69A0072](https://openairdocs.org/ntsb/OAK69A0072.md): Beech 95-A55 · Benicia, CA · Accident · 1 fatal · Closed · Jun 19, 1969 · N8556M · Destroyed
- [NTSB DEN70F0005](https://openairdocs.org/ntsb/DEN70F0005.md): Piper PA-28 · North Ogden, UT · Accident · No injuries · Closed · Jun 14, 1969 · N5029W · Substantial damage
- [NTSB CHI69A0100](https://openairdocs.org/ntsb/CHI69A0100.md): Piper PA-28 · Archbold, OH · Accident · 4 fatal · Closed · Jun 12, 1969 · N7156W · Destroyed
- [NTSB SEA70F0017](https://openairdocs.org/ntsb/SEA70F0017.md): Bell 47G-3 · Deer Lodge, MT · Accident · Serious injuries · Closed · Jun 4, 1969 · N8409E · Destroyed
- [NTSB NYC69A0109](https://openairdocs.org/ntsb/NYC69A0109.md): Piper J-3 · Reading, PA · Accident · 1 fatal · Closed · Jun 4, 1969 · N42637 · Destroyed
- [NTSB OAK69F0326](https://openairdocs.org/ntsb/OAK69F0326.md): Skyrider JR-1 · Fair Oaks, CA · Accident · Minor injuries · Closed · Jun 1, 1969 · N4092B · Substantial damage
- [NTSB NYC69A0106](https://openairdocs.org/ntsb/NYC69A0106.md): Cessna 195 · Morehouseville, NY · Accident · Minor injuries · Closed · Jun 1, 1969 · N2258 · Destroyed
- [NTSB CHI69A0098](https://openairdocs.org/ntsb/CHI69A0098.md): Beech 23 · Mackinaw Cty, MI · Accident · 3 fatal · Closed · Jun 1, 1969 · N2365J · Destroyed
- [NTSB CHI69A0096](https://openairdocs.org/ntsb/CHI69A0096.md): Cessna 150G · Ofallon, IL · Accident · 1 fatal · Closed · May 20, 1969 · N3655J · Destroyed
- [NTSB NYC70F0013](https://openairdocs.org/ntsb/NYC70F0013.md): Stinson 108-1 · Babylon, NY · Accident · Serious injuries · Closed · May 18, 1969 · N8458K · Substantial damage
- [NTSB DIA69A0065](https://openairdocs.org/ntsb/DIA69A0065.md): Piper PA-28 · Fairview, NC · Accident · 4 fatal · Closed · May 16, 1969 · N8347W · Destroyed
- [NTSB LAX69A0067](https://openairdocs.org/ntsb/LAX69A0067.md): Cessna 140 · Temecula, CA · Accident · 1 fatal · Closed · May 13, 1969 · N1950N · Destroyed
- [NTSB MKC69F0428](https://openairdocs.org/ntsb/MKC69F0428.md): Piper PA-16 · Adel, IA · Accident · Serious injuries · Closed · May 11, 1969 · N5710H · Destroyed
- [NTSB LAX69A0064](https://openairdocs.org/ntsb/LAX69A0064.md): Cessna 172K · Chino, CA · Accident · 5 fatal · Closed · May 11, 1969 · N78435 · Destroyed
- [NTSB MIA69A0076](https://openairdocs.org/ntsb/MIA69A0076.md): Beech V35 · Waycross, GA · Accident · 2 fatal · Closed · May 9, 1969 · N755HB · Destroyed
- [NTSB DEN69A0047](https://openairdocs.org/ntsb/DEN69A0047.md): Lockheed 12A · Casper, WY · Accident · Serious injuries · Closed · May 9, 1969 · N399X · Substantial damage
- [NTSB MIA70D0009](https://openairdocs.org/ntsb/MIA70D0009.md): Bell 47G · Groveland, FL · Accident · No injuries · Closed · May 4, 1969 · N10175 · Substantial damage
- [NTSB DEN69A0046](https://openairdocs.org/ntsb/DEN69A0046.md): Cessna 150G · Franktown, CO · Accident · 1 fatal · Closed · May 3, 1969 · N2649J · Destroyed
- [NTSB LAX69D0326](https://openairdocs.org/ntsb/LAX69D0326.md): Bell 47D1 · Calabasas, CA · Accident · No injuries · Closed · Apr 30, 1969 · N8116 · Substantial damage
- [NTSB LAX69A0061](https://openairdocs.org/ntsb/LAX69A0061.md): Bell 206A · San Diego, CA · Accident · 2 fatal · Closed · Apr 30, 1969 · N1430W · Destroyed
- [NTSB OAK70A0002](https://openairdocs.org/ntsb/OAK70A0002.md): Cessna 206 · Hyak, WA · Accident · 3 fatal · Closed · Apr 29, 1969 · N8714Z · Destroyed
- [NTSB MIA69D0459](https://openairdocs.org/ntsb/MIA69D0459.md): Brantly B-2B · Naples, FL · Accident · No injuries · Closed · Apr 26, 1969 · N1175K · Substantial damage
- [NTSB LAX69F0344](https://openairdocs.org/ntsb/LAX69F0344.md): Hughes 269B · Alpine, CA · Accident · Minor injuries · Closed · Apr 24, 1969 · N9381F · Substantial damage

Next page: https://openairdocs.org/ntsb-phases/650/cases.md?page=32

## 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=31

---
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.