# 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 32 of 44 · 2,192 cases

## Cases, newest first

- [NTSB SEA69F0217](https://openairdocs.org/ntsb/SEA69F0217.md): Brantly B-2B · Lodge Grass, MT · Accident · No injuries · Closed · Apr 23, 1969 · N2186U · Substantial damage
- [NTSB CHI69F0586](https://openairdocs.org/ntsb/CHI69F0586.md): Bensen B-8M · Middletown, OH · Accident · 1 fatal · Closed · Apr 20, 1969 · N1493 · Destroyed
- [NTSB LAX69A0058](https://openairdocs.org/ntsb/LAX69A0058.md): Cessna 310N · Upland, CA · Accident · 5 fatal · Closed · Apr 12, 1969 · N4111Q · Destroyed
- [NTSB MKC69F0432](https://openairdocs.org/ntsb/MKC69F0432.md): Hughes 269B · St Paul, MN · Accident · No injuries · Closed · Apr 10, 1969 · N9486F · Destroyed
- [NTSB LAX69A0059](https://openairdocs.org/ntsb/LAX69A0059.md): Cessna 177A · Corona, CA · Accident · 2 fatal · Closed · Apr 10, 1969 · N30452 · Destroyed
- [NTSB FTW69A0072](https://openairdocs.org/ntsb/FTW69A0072.md): Cessna 150 · Devers, TX · Accident · 1 fatal · Closed · Apr 9, 1969 · N3624J · Destroyed
- [NTSB FTW69A0070](https://openairdocs.org/ntsb/FTW69A0070.md): Cessna 150E · Placedo, TX · Accident · 1 fatal · Closed · Apr 8, 1969 · N2555J · Destroyed
- [NTSB FTW69A0069](https://openairdocs.org/ntsb/FTW69A0069.md): Cessna 310L · De Soto, TX · Accident · 2 fatal · Closed · Apr 8, 1969 · N2278F · Destroyed
- [NTSB IAD69A0053](https://openairdocs.org/ntsb/IAD69A0053.md): Cessna 172 · Emporia, VA · Accident · 3 fatal · Closed · Apr 4, 1969 · N2072Y · Destroyed
- [NTSB FTW69A0067](https://openairdocs.org/ntsb/FTW69A0067.md): Beech S35 · Mansfield, LA · Accident · 5 fatal · Closed · Mar 30, 1969 · N5736K · Destroyed
- [NTSB CHI69F0529](https://openairdocs.org/ntsb/CHI69F0529.md): Bell 206A · Springfield, OH · Accident · Serious injuries · Closed · Mar 15, 1969 · N4008G · Destroyed
- [NTSB CHI69F0562](https://openairdocs.org/ntsb/CHI69F0562.md): Piper PA-28 · Richfield, OH · Accident · Serious injuries · Closed · Mar 11, 1969 · N9248J · Substantial damage
- [NTSB MKC69A0051](https://openairdocs.org/ntsb/MKC69A0051.md): Mooney M20F · Jamestown, ND · Accident · 1 fatal · Closed · Mar 2, 1969 · N9720M · Destroyed
- [NTSB LAX69F0293](https://openairdocs.org/ntsb/LAX69F0293.md): Bensen B-8M · Litchfld Pk, AZ · Accident · Serious injuries · Closed · Mar 2, 1969 · N2553 · Destroyed
- [NTSB FTW69A0061](https://openairdocs.org/ntsb/FTW69A0061.md): Beech K35 · Spicewood, TX · Accident · 3 fatal · Closed · Mar 2, 1969 · N707C · Destroyed
- [NTSB LAX69F0287](https://openairdocs.org/ntsb/LAX69F0287.md): Flug-Undfah HBV · La Jolla, CA · Accident · Minor injuries · Closed · Mar 1, 1969 · N146G · Substantial damage
- [NTSB CHI69F0521](https://openairdocs.org/ntsb/CHI69F0521.md): Bensen B-8M · Lacon, IL · Accident · Serious injuries · Closed · Feb 28, 1969 · N1173 · Substantial damage
- [NTSB CHI69A0075](https://openairdocs.org/ntsb/CHI69A0075.md): Mooney M20E · Jeffersonvlle, IN · Accident · 1 fatal · Closed · Feb 28, 1969 · N1274X · Destroyed
- [NTSB OAK69A0053](https://openairdocs.org/ntsb/OAK69A0053.md): Piper PA-24 · Smartville, CA · Accident · 1 fatal · Closed · Feb 18, 1969 · N8492P · Destroyed
- [NTSB OAK69A0055](https://openairdocs.org/ntsb/OAK69A0055.md): Piper PA-12 · Goldfield, NV · Accident · 1 fatal · Closed · Feb 15, 1969 · N2978M · Destroyed
- [NTSB DEN69A0032](https://openairdocs.org/ntsb/DEN69A0032.md): Cessna 182 · Dunlap, NM · Accident · 1 fatal · Closed · Feb 12, 1969 · N8969X · Destroyed
- [NTSB FTW71AF045](https://openairdocs.org/ntsb/FTW71AF045.md): Beech 23 · Helena, AR · Accident · 4 fatal · Closed · Feb 8, 1969 · N2392J · Destroyed
- [NTSB MIA69A0046](https://openairdocs.org/ntsb/MIA69A0046.md): Beech 95 · St.George, GA · Accident · 2 fatal · Closed · Feb 6, 1969 · N2724Y · Destroyed
- [NTSB MKC69A0049](https://openairdocs.org/ntsb/MKC69A0049.md): Cessna 310C · High Hill, MO · Accident · 1 fatal · Closed · Feb 5, 1969 · N1792H · Destroyed
- [NTSB ANC69A0040](https://openairdocs.org/ntsb/ANC69A0040.md): Cessna 180 · Anchorage, AK · Accident · 1 fatal · Closed · Feb 5, 1969 · N4576B · Substantial damage
- [NTSB DIA69A0039](https://openairdocs.org/ntsb/DIA69A0039.md): Cessna 150 · Flintstone, MD · Accident · 1 fatal · Closed · Feb 2, 1969 · N7244X · Destroyed
- [NTSB OAK69F0230](https://openairdocs.org/ntsb/OAK69F0230.md): Brantly B-2B · Benicia, CA · Accident · Minor injuries · Closed · Feb 1, 1969 · N2170U · Destroyed
- [NTSB SEA69A0044](https://openairdocs.org/ntsb/SEA69A0044.md): Piper PA-24 · Pendleton, OR · Accident · 1 fatal · Closed · Jan 26, 1969 · N5787P · Destroyed
- [NTSB ANC69A0038](https://openairdocs.org/ntsb/ANC69A0038.md): Bell 205A · Tyonek, AK · Accident · 2 fatal · Closed · Jan 26, 1969 · N4048G · Destroyed
- [NTSB MIA69F0341](https://openairdocs.org/ntsb/MIA69F0341.md): Bell 47G-3B · Kingsport, TN · Accident · Minor injuries · Closed · Jan 18, 1969 · N204Z · Destroyed
- [NTSB OAK69A0042](https://openairdocs.org/ntsb/OAK69A0042.md): Piper PA-28 · Redding, CA · Accident · 2 fatal · Closed · Jan 10, 1969 · N8407R · Destroyed
- [NTSB MKC69A0043](https://openairdocs.org/ntsb/MKC69A0043.md): Hughes 269B · Kansas City, MO · Accident · 1 fatal · Closed · Jan 10, 1969 · N9496F · Destroyed
- [NTSB MIA69A0038](https://openairdocs.org/ntsb/MIA69A0038.md): Piper PA-31 · Jamestown, TN · Accident · 6 fatal · Closed · Jan 6, 1969 · N440DL · Destroyed
- [NTSB MKC69O0001](https://openairdocs.org/ntsb/MKC69O0001.md): Mooney M20F · Parry, Canada · Accident · Serious injuries · Closed · Jan 5, 1969 · N3590N · Destroyed
- [NTSB MIA69A0037](https://openairdocs.org/ntsb/MIA69A0037.md): Piper PA-23 · Melbourne, FL · Accident · 4 fatal · Closed · Jan 4, 1969 · N129N · Destroyed
- [NTSB OAK69A0041](https://openairdocs.org/ntsb/OAK69A0041.md): Piper PA-24 · Lodi, CA · Accident · 5 fatal · Closed · Jan 1, 1969 · N8568P · Destroyed
- [NTSB FTW69A0046](https://openairdocs.org/ntsb/FTW69A0046.md): Piper PA-24 · Oakdale, LA · Accident · 5 fatal · Closed · Dec 30, 1968 · N7702P · Destroyed
- [NTSB OAK69A0040](https://openairdocs.org/ntsb/OAK69A0040.md): Mooney M20F · Danville, CA · Accident · 1 fatal · Closed · Dec 28, 1968 · N6458Q · Destroyed
- [NTSB MKC69A0039](https://openairdocs.org/ntsb/MKC69A0039.md): Mitsubishi MU-2B · Springfield, MO · Accident · 5 fatal · Closed · Dec 21, 1968 · N3550X · Destroyed
- [NTSB MIA69F0290](https://openairdocs.org/ntsb/MIA69F0290.md): Aero Comdr A-9B · Newton, MS · Accident · 1 fatal · Closed · Dec 20, 1968 · N7696V · Destroyed
- [NTSB LAX69A0035](https://openairdocs.org/ntsb/LAX69A0035.md): Piper PA-28 · Mt.Laguna, CA · Accident · 3 fatal · Closed · Dec 19, 1968 · N1753J · Destroyed
- [NTSB LAX69A0033](https://openairdocs.org/ntsb/LAX69A0033.md): Piper PA-24 · Glen Avon, CA · Accident · 1 fatal · Closed · Dec 19, 1968 · N6445P · Destroyed
- [NTSB MKC69A0038](https://openairdocs.org/ntsb/MKC69A0038.md): Piper PA-22 · Morris, MN · Accident · 2 fatal · Closed · Dec 14, 1968 · N9533D · Destroyed
- [NTSB FTW69F0337](https://openairdocs.org/ntsb/FTW69F0337.md): Hughes 269A · Odonnell, TX · Accident · No injuries · Closed · Dec 14, 1968 · N8926F · Destroyed
- [NTSB SEA69A0032](https://openairdocs.org/ntsb/SEA69A0032.md): Aero Comdr 560-F · Wolf Creek, MT · Accident · 3 fatal · Closed · Dec 8, 1968 · N6257X · Destroyed
- [NTSB FTW69F0454](https://openairdocs.org/ntsb/FTW69F0454.md): Piper PA-22 · Austin, TX · Accident · Serious injuries · Closed · Dec 8, 1968 · N2955P · Substantial damage
- [NTSB UNK69X0102](https://openairdocs.org/ntsb/UNK69X0102.md): Dornier DO-28D · Sonderborg, DA · Accident · 1 fatal · Closed · Dec 6, 1968 · N7154 · Destroyed
- [NTSB SEA69D0164](https://openairdocs.org/ntsb/SEA69D0164.md): Piper PA-28 · Duvall, WA · Accident · Minor injuries · Closed · Dec 6, 1968 · N9347W · Destroyed
- [NTSB LAX71AL063](https://openairdocs.org/ntsb/LAX71AL063.md): Cessna 172E · Banning, CA · Accident · 2 fatal · Closed · Dec 1, 1968 · N2992U · Destroyed
- [NTSB LAX71AL045](https://openairdocs.org/ntsb/LAX71AL045.md): Cessna 170B · San Luis Obsp, CA · Accident · 3 fatal · Closed · Dec 1, 1968 · N49F · Destroyed

Next page: https://openairdocs.org/ntsb-phases/650/cases.md?page=33

## 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=32

---
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.