# 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 13 of 44 · 2,192 cases

## Cases, newest first

- [NTSB MIA77FA069](https://openairdocs.org/ntsb/MIA77FA069.md): Piper PA-32 · Andros Is, Burkina Faso · Accident · 2 fatal · Closed · Jul 16, 1977 · N4434F · Destroyed
- [NTSB NYC77FA071](https://openairdocs.org/ntsb/NYC77FA071.md): Piper PA-28 · Ocean City, NJ · Accident · 1 fatal · Closed · Jul 9, 1977 · N4257Q · Substantial damage
- [NTSB NYC77FA067](https://openairdocs.org/ntsb/NYC77FA067.md): Piper PA-24 · Windham, VT · Accident · 2 fatal · Closed · Jul 4, 1977 · N5039P · Destroyed
- [NTSB LAX77FA055](https://openairdocs.org/ntsb/LAX77FA055.md): Schweizer SGS126 · Ocotillo Wells, CA · Accident · 1 fatal · Closed · Jul 4, 1977 · N2550H · Destroyed
- [NTSB MKC77FA029](https://openairdocs.org/ntsb/MKC77FA029.md): Piper PA-28 · Walker, MN · Accident · 4 fatal · Closed · Jun 22, 1977 · N55548 · Destroyed
- [NTSB MKC77DCJ25](https://openairdocs.org/ntsb/MKC77DCJ25.md): Piper PA-28 · Gothenburg, NE · Accident · Minor injuries · Closed · Jun 22, 1977 · N57301 · Substantial damage
- [NTSB CHI77FA049](https://openairdocs.org/ntsb/CHI77FA049.md): Piper PA-24 · Grafton, WI · Accident · 4 fatal · Closed · Jun 11, 1977 · N6349P · Destroyed
- [NTSB LAX77FA050](https://openairdocs.org/ntsb/LAX77FA050.md): Cessna 177RG · Riverside, CA · Accident · 2 fatal · Closed · Jun 7, 1977 · N1599H · Destroyed
- [NTSB IAD77FA044](https://openairdocs.org/ntsb/IAD77FA044.md): Bellanca 14-19 · Robinson Creek, KY · Accident · 3 fatal · Closed · Jun 6, 1977 · N1293R · Destroyed
- [NTSB MIA77FLA36](https://openairdocs.org/ntsb/MIA77FLA36.md): Bensen B-8-MG · St Augustine, FL · Accident · 1 fatal · Closed · Jun 4, 1977 · N3120 · Substantial damage
- [NTSB FTW77FA057](https://openairdocs.org/ntsb/FTW77FA057.md): Beech S35 · Lamar, AR · Accident · 2 fatal · Closed · May 28, 1977 · N5775K · Destroyed
- [NTSB FTW77FA056](https://openairdocs.org/ntsb/FTW77FA056.md): Cessna 310N · Amarillo, TX · Accident · 4 fatal · Closed · May 20, 1977 · N4153Q · Destroyed
- [NTSB MIA77FKT41](https://openairdocs.org/ntsb/MIA77FKT41.md): Naval Fcty N3N-3 · Immokalee, FL · Accident · Minor injuries · Closed · May 16, 1977 · N45167 · Substantial damage
- [NTSB LAX77FA042](https://openairdocs.org/ntsb/LAX77FA042.md): Cessna 172 · Dana Point, CA · Accident · 4 fatal · Closed · May 14, 1977 · N9213H · Destroyed
- [NTSB DEN77FA041](https://openairdocs.org/ntsb/DEN77FA041.md): Piper PA-34 · Bigtrails, WY · Accident · 2 fatal · Closed · May 6, 1977 · N4948F · Destroyed
- [NTSB LAX77FA041](https://openairdocs.org/ntsb/LAX77FA041.md): Beech 35 · Huntington Bch, CA · Accident · 4 fatal · Closed · May 5, 1977 · N2826V · Destroyed
- [NTSB IAD77AA038](https://openairdocs.org/ntsb/IAD77AA038.md): Beech HS.125 · Mclean, VA · Accident · 4 fatal · Closed · Apr 28, 1977 · N40PC · Destroyed
- [NTSB OAK77FVG31](https://openairdocs.org/ntsb/OAK77FVG31.md): Aero-Comdr S-2R · Maxwell, CA · Accident · 2 fatal · Closed · Apr 26, 1977 · N4997X · Destroyed
- [NTSB OAK77FXQ17](https://openairdocs.org/ntsb/OAK77FXQ17.md): Piper PA-28 · Winnemucca, NV · Accident · 1 fatal · Closed · Apr 23, 1977 · N41176 · Destroyed
- [NTSB UNK77X0104](https://openairdocs.org/ntsb/UNK77X0104.md): Piper PA-28 · Gruver, TX · Accident · 1 fatal · Closed · Apr 21, 1977 · N276V · Destroyed
- [NTSB OAK77DJA09](https://openairdocs.org/ntsb/OAK77DJA09.md): Cessna 310 · Honolulu, HI · Accident · 5 fatal · Closed · Apr 13, 1977 · N8179M · Destroyed
- [NTSB NYC77FA038](https://openairdocs.org/ntsb/NYC77FA038.md): Piper PA-23 · Weathersfield, CT · Accident · 1 fatal · Closed · Apr 13, 1977 · N4483P · Destroyed
- [NTSB DEN77FA036](https://openairdocs.org/ntsb/DEN77FA036.md): Cessna TU206F · Duchesne, UT · Accident · 2 fatal · Closed · Apr 12, 1977 · N1066V · Destroyed
- [NTSB SEA77FA027](https://openairdocs.org/ntsb/SEA77FA027.md): Cessna 182P · Port Orchard, WA · Accident · 3 fatal · Closed · Apr 10, 1977 · N1282S · Destroyed
- [NTSB MIA77FA050](https://openairdocs.org/ntsb/MIA77FA050.md): Beech C24R · Monroe, GA · Accident · 2 fatal · Closed · Apr 3, 1977 · N23969 · Destroyed
- [NTSB DEN77FA032](https://openairdocs.org/ntsb/DEN77FA032.md): Avions Mrcl DA-10 · Denver, CO · Accident · 4 fatal · Closed · Apr 3, 1977 · N60MB · Destroyed
- [NTSB FTW77FA048](https://openairdocs.org/ntsb/FTW77FA048.md): Piper PA-32R · Commerce, TX · Accident · 6 fatal · Closed · Apr 1, 1977 · N6127J · Destroyed
- [NTSB CHI77FEV15](https://openairdocs.org/ntsb/CHI77FEV15.md): Cessna 177RG · Springfield, IL · Accident · No injuries · Closed · Mar 27, 1977 · N7584V · Substantial damage
- [NTSB LAX77FA031](https://openairdocs.org/ntsb/LAX77FA031.md): Cessna 172 · Payson, AZ · Accident · 4 fatal · Closed · Mar 25, 1977 · N4181F · Destroyed
- [NTSB MKC77FA017](https://openairdocs.org/ntsb/MKC77FA017.md): Cessna T210L · Atkins, IA · Accident · 3 fatal · Closed · Mar 19, 1977 · N2231S · Destroyed
- [NTSB FTW77FA045](https://openairdocs.org/ntsb/FTW77FA045.md): Mitsubishi MU-2B · Austin, TX · Accident · 1 fatal · Closed · Mar 18, 1977 · N777MA · Destroyed
- [NTSB OAK77FA026](https://openairdocs.org/ntsb/OAK77FA026.md): Piper PA-28 · Corralitos, CA · Accident · 1 fatal · Closed · Mar 14, 1977 · N32606 · Destroyed
- [NTSB NYC77FA037](https://openairdocs.org/ntsb/NYC77FA037.md): Cessna U206F · Doylestown, PA · Accident · 2 fatal · Closed · Mar 13, 1977 · N35634 · Substantial damage
- [NTSB MIA77FA043](https://openairdocs.org/ntsb/MIA77FA043.md): Cessna 150F · Ormond Beach, FL · Accident · 1 fatal · Closed · Mar 13, 1977 · N8898G · Destroyed
- [NTSB IAD77FA030](https://openairdocs.org/ntsb/IAD77FA030.md): Beech 35 · Boones Mill, VA · Accident · 1 fatal · Closed · Mar 12, 1977 · N4459V · Destroyed
- [NTSB DEN77FQA26](https://openairdocs.org/ntsb/DEN77FQA26.md): Piper PA-28 · Las Vegas, NM · Accident · Serious injuries · Closed · Mar 8, 1977 · N5122G · Destroyed
- [NTSB MIA77FA040](https://openairdocs.org/ntsb/MIA77FA040.md): Beech 35-C33 · Fort Myers, FL · Accident · 2 fatal · Closed · Mar 7, 1977 · N5862S · Destroyed
- [NTSB MIA77RA039](https://openairdocs.org/ntsb/MIA77RA039.md): Cessna 402 · Stirrup, Burkina Faso · Accident · 4 fatal · Closed · Mar 5, 1977 · N69378 · Destroyed
- [NTSB MIA77FA042](https://openairdocs.org/ntsb/MIA77FA042.md): Beech M35 · Fargo, GA · Accident · 2 fatal · Closed · Mar 5, 1977 · N9746R · Destroyed
- [NTSB SEA77FA020](https://openairdocs.org/ntsb/SEA77FA020.md): Piper PA-24 · Eugene, OR · Accident · 2 fatal · Closed · Mar 2, 1977 · N8216P · Destroyed
- [NTSB DEN77FA028](https://openairdocs.org/ntsb/DEN77FA028.md): Cessna 414 · Farson, WY · Accident · 1 fatal · Closed · Mar 2, 1977 · N8066Q · Destroyed
- [NTSB IAD77FA025](https://openairdocs.org/ntsb/IAD77FA025.md): Cessna 150M · Burlington, NC · Accident · 1 fatal · Closed · Feb 18, 1977 · N3969V · Destroyed
- [NTSB SEA77FA019](https://openairdocs.org/ntsb/SEA77FA019.md): Piper PA-28R · Port Orchard, WA · Accident · 1 fatal · Closed · Feb 12, 1977 · N1529X · Substantial damage
- [NTSB MKC77FA013](https://openairdocs.org/ntsb/MKC77FA013.md): Piper PA-31 · Anthony, KS · Accident · 6 fatal · Closed · Feb 11, 1977 · N59838 · Destroyed
- [NTSB LAX77FA035](https://openairdocs.org/ntsb/LAX77FA035.md): Cessna 182H · Tuscon, AZ · Accident · 1 fatal · Closed · Feb 3, 1977 · N1840X · Destroyed
- [NTSB CHI77FA026](https://openairdocs.org/ntsb/CHI77FA026.md): Beech 58 · Necedah, WI · Accident · 1 fatal · Closed · Feb 3, 1977 · N177HC · Destroyed
- [NTSB DEN77FA022](https://openairdocs.org/ntsb/DEN77FA022.md): Cessna 172 · Moab, UT · Accident · 2 fatal · Closed · Jan 24, 1977 · N4171F · Destroyed
- [NTSB DEN77FA021](https://openairdocs.org/ntsb/DEN77FA021.md): Bellanca 17-30 · Acomita, NM · Accident · 1 fatal · Closed · Jan 21, 1977 · N7352V · Destroyed
- [NTSB SEA77FA012](https://openairdocs.org/ntsb/SEA77FA012.md): Beech C35 · Mckenna, WA · Accident · 3 fatal · Closed · Jan 14, 1977 · N859M · Destroyed
- [NTSB OAK77FA011](https://openairdocs.org/ntsb/OAK77FA011.md): Cessna 310 · Fremont, CA · Accident · 2 fatal · Closed · Jan 8, 1977 · N5321A · Destroyed

Next page: https://openairdocs.org/ntsb-phases/650/cases.md?page=14

## 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=13

---
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.