# 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 11 of 44 · 2,192 cases

## Cases, newest first

- [NTSB FTW78FA043](https://openairdocs.org/ntsb/FTW78FA043.md): Aero Comdr 1121A · Flatwoods, LA · Accident · 2 fatal · Closed · Apr 27, 1978 · N250UA · Destroyed
- [NTSB MIA78FA072](https://openairdocs.org/ntsb/MIA78FA072.md): Beech N35 · Kennesaw, GA · Accident · 2 fatal · Closed · Apr 26, 1978 · N9495Y · Destroyed
- [NTSB OAK78FA027](https://openairdocs.org/ntsb/OAK78FA027.md): Cessna 310R · Lake Tahoe, CA · Accident · 4 fatal · Closed · Apr 20, 1978 · N3502G · Destroyed
- [NTSB MKC78FA033](https://openairdocs.org/ntsb/MKC78FA033-201239.md): Beech A24R · Mandan, ND · Accident · 2 fatal · Closed · Apr 17, 1978 · N8051R · Destroyed
- [NTSB MKC78FA031](https://openairdocs.org/ntsb/MKC78FA031.md): Beech A23-24 · Wichita, KS · Accident · 1 fatal · Closed · Apr 16, 1978 · N7934L · Destroyed
- [NTSB ANC78FA028](https://openairdocs.org/ntsb/ANC78FA028.md): Bell 206B · Lonely, AK · Accident · 2 fatal · Closed · Apr 16, 1978 · N49757 · Destroyed
- [NTSB DEN78FA036](https://openairdocs.org/ntsb/DEN78FA036.md): Cessna TP206C · Angle, UT · Accident · 1 fatal · Closed · Apr 8, 1978 · N8697Z · Destroyed
- [NTSB OAK78FA023](https://openairdocs.org/ntsb/OAK78FA023.md): Grumman AA-5A · Red Bluff, CA · Accident · 2 fatal · Closed · Mar 21, 1978 · N9740U · Destroyed
- [NTSB IAD78FA052](https://openairdocs.org/ntsb/IAD78FA052.md): Cessna 172E · Leitchfield, KY · Accident · 2 fatal · Closed · Mar 17, 1978 · N5615T · Destroyed
- [NTSB CHI78FA029](https://openairdocs.org/ntsb/CHI78FA029.md): Grum Amer AA5-B · Sandusky, OH · Accident · 1 fatal · Closed · Mar 17, 1978 · N1552R · Destroyed
- [NTSB MIA78FA054](https://openairdocs.org/ntsb/MIA78FA054.md): Piper PA-31 · Leesburg, FL · Accident · 1 fatal · Closed · Mar 16, 1978 · N7488L · Destroyed
- [NTSB MKC78FA028](https://openairdocs.org/ntsb/MKC78FA028.md): Piper PA-32R · Belfield, ND · Accident · 4 fatal · Closed · Mar 15, 1978 · N75089 · Destroyed
- [NTSB CHI79FA028](https://openairdocs.org/ntsb/CHI79FA028-202545.md): Piper PA-32R · Rock Falls, IL · Accident · 1 fatal · Closed · Mar 14, 1978 · N7299C · Destroyed
- [NTSB LAX78FA034](https://openairdocs.org/ntsb/LAX78FA034.md): Cessna 182P · Benson, AZ · Accident · 3 fatal · Closed · Mar 12, 1978 · N6955M · Destroyed
- [NTSB CHI78FA025](https://openairdocs.org/ntsb/CHI78FA025.md): Cessna T210M · Beecher, IL · Accident · 3 fatal · Closed · Mar 12, 1978 · N761EJ · Destroyed
- [NTSB DEN78FAO32](https://openairdocs.org/ntsb/DEN78FAO32.md): Cessna T210L · Woodland Park, CO · Accident · 5 fatal · Closed · Mar 10, 1978 · N22443 · Destroyed
- [NTSB MKC78FA026](https://openairdocs.org/ntsb/MKC78FA026.md): Cessna 172 · Memphis, MO · Accident · 2 fatal · Closed · Mar 9, 1978 · N7592X · Destroyed
- [NTSB DEN78FA030](https://openairdocs.org/ntsb/DEN78FA030.md): Cessna 320 · Gallup, NM · Accident · 1 fatal · Closed · Mar 4, 1978 · N4108T · Destroyed
- [NTSB OAK78FA020](https://openairdocs.org/ntsb/OAK78FA020.md): Cessna 411 · Chilcoot, CA · Accident · 4 fatal · Closed · Mar 3, 1978 · N3212R · Destroyed
- [NTSB ANC78FA023](https://openairdocs.org/ntsb/ANC78FA023.md): Evangel 4500 · Merrill Pass, AK · Accident · 3 fatal · Closed · Feb 27, 1978 · N4508L · Destroyed
- [NTSB LAX78FA029](https://openairdocs.org/ntsb/LAX78FA029.md): Cessna T2101 · Bakersfield, CA · Accident · 6 fatal · Closed · Feb 22, 1978 · N59313 · Destroyed
- [NTSB LAX78FA028](https://openairdocs.org/ntsb/LAX78FA028.md): Piper PA-28 · Wasco, CA · Accident · 1 fatal · Closed · Feb 20, 1978 · N44138 · Destroyed
- [NTSB MIA78FA044](https://openairdocs.org/ntsb/MIA78FA044.md): Beech A45 · Moultrie, GA · Accident · 1 fatal · Closed · Feb 18, 1978 · N7747C · Destroyed
- [NTSB MIA78FA043](https://openairdocs.org/ntsb/MIA78FA043.md): Beech V35B · Myrtle Beach, SC · Accident · 2 fatal · Closed · Feb 17, 1978 · N17523 · Destroyed
- [NTSB DEN78FA022](https://openairdocs.org/ntsb/DEN78FA022.md): Taylorcraft BC12D · Albuquerque, NM · Accident · 1 fatal · Closed · Feb 5, 1978 · N43021 · Substantial damage
- [NTSB CHI79FA019](https://openairdocs.org/ntsb/CHI79FA019-138560.md): Cessna 150M · Big Bay Denoc, MI · Accident · 1 fatal · Closed · Feb 4, 1978 · C-GYEF · Destroyed
- [NTSB OAK78FA015](https://openairdocs.org/ntsb/OAK78FA015.md): Cessna 182 · Turlock, CA · Accident · 1 fatal · Closed · Jan 29, 1978 · N5472B · Destroyed
- [NTSB MKC78FA020](https://openairdocs.org/ntsb/MKC78FA020.md): Piper PA-22 · Tama, IA · Accident · 3 fatal · Closed · Jan 15, 1978 · N6819B · Destroyed
- [NTSB NYC78FA024](https://openairdocs.org/ntsb/NYC78FA024.md): Temco GC1B · Newport, RI · Accident · 1 fatal · Closed · Jan 14, 1978 · N2406B · Destroyed
- [NTSB MIA78FA030](https://openairdocs.org/ntsb/MIA78FA030.md): Beech B-58P · Tylertown, MS · Accident · 4 fatal · Closed · Jan 8, 1978 · N7264R · Destroyed
- [NTSB MIA78FA042](https://openairdocs.org/ntsb/MIA78FA042.md): Beech C23 · Eatonton, GA · Accident · 1 fatal · Closed · Jan 7, 1978 · N9BW · Destroyed
- [NTSB LAX78FA020](https://openairdocs.org/ntsb/LAX78FA020.md): Cessna 182F · Sells, AZ · Accident · 2 fatal · Closed · Jan 7, 1978 · N3117U · Destroyed
- [NTSB SEA78FA017](https://openairdocs.org/ntsb/SEA78FA017.md): Aero Comdr 500B · Miles City, MT · Accident · 1 fatal · Closed · Jan 5, 1978 · N6308U · Destroyed
- [NTSB LAX78FA019](https://openairdocs.org/ntsb/LAX78FA019.md): Piper PA-22 · Devore, CA · Accident · 3 fatal · Closed · Jan 4, 1978 · N1511P · Destroyed
- [NTSB SEA78FA015](https://openairdocs.org/ntsb/SEA78FA015.md): Grum Amer AA-5A · Anaconda, MT · Accident · 2 fatal · Closed · Dec 28, 1977 · N9968U · Destroyed
- [NTSB ANC78DAG17](https://openairdocs.org/ntsb/ANC78DAG17.md): Cessna 185D · Mt.Susitna, AK · Accident · Serious injuries · Closed · Dec 27, 1977 · N1553F · Substantial damage
- [NTSB MIA78DA025](https://openairdocs.org/ntsb/MIA78DA025.md): Piper PA-28 · Mayaguez (Atlantic Ocean) · Accident · 3 fatal · Closed · Dec 24, 1977 · N4901J · Destroyed
- [NTSB MIA78FA020](https://openairdocs.org/ntsb/MIA78FA020.md): Cessna 150 · Plantation, FL · Accident · 2 fatal · Closed · Dec 23, 1977 · N10608 · Destroyed
- [NTSB SEA78FA014](https://openairdocs.org/ntsb/SEA78FA014.md): Aero Cmdr 520 · Cheshire, OR · Accident · 7 fatal · Closed · Dec 22, 1977 · C-GHUN · Destroyed
- [NTSB NYC78FA015](https://openairdocs.org/ntsb/NYC78FA015.md): Beagle B206 · Greenwich, CT · Accident · 1 fatal · Closed · Dec 20, 1977 · N1008B · Destroyed
- [NTSB ANC78FA005](https://openairdocs.org/ntsb/ANC78FA005.md): Hiller Acft FH1100 · Anchor Point, AK · Accident · 2 fatal · Closed · Dec 19, 1977 · N18845 · Destroyed
- [NTSB MIA78AF019](https://openairdocs.org/ntsb/MIA78AF019.md): Cessna 150 · Dauphin Island, AL · Accident · 1 fatal · Closed · Dec 17, 1977 · N6589T · Destroyed
- [NTSB MKC78DCJ07](https://openairdocs.org/ntsb/MKC78DCJ07.md): Mooney M10 · Emerson, NE · Accident · Minor injuries · Closed · Dec 16, 1977 · N9525V · Substantial damage
- [NTSB MKC78FA012](https://openairdocs.org/ntsb/MKC78FA012.md): Piper PA-28R · Fordland, MO · Accident · 2 fatal · Closed · Dec 8, 1977 · N38775 · Destroyed
- [NTSB IAD78FA018](https://openairdocs.org/ntsb/IAD78FA018.md): Cessna 172H · Dickson, TN · Accident · 2 fatal · Closed · Dec 4, 1977 · N75923 · Destroyed
- [NTSB MKC78FA011](https://openairdocs.org/ntsb/MKC78FA011.md): Beech C33 · Canton, SD · Accident · 1 fatal · Closed · Dec 1, 1977 · N9435S · Destroyed
- [NTSB IAD78FA016](https://openairdocs.org/ntsb/IAD78FA016.md): Piper PA-23 · Reston, VA · Accident · 1 fatal · Closed · Nov 30, 1977 · N6241Y · Destroyed
- [NTSB MKC78FA009](https://openairdocs.org/ntsb/MKC78FA009.md): Cessna 182M · Hill City, SD · Accident · 1 fatal · Closed · Nov 29, 1977 · N71026 · Destroyed
- [NTSB MIA78FA017](https://openairdocs.org/ntsb/MIA78FA017.md): Piper PA-28 · Lakeport, FL · Accident · 1 fatal · Closed · Nov 29, 1977 · N5374W · Destroyed
- [NTSB NYC78FA009](https://openairdocs.org/ntsb/NYC78FA009.md): Piper PA-28R · North Wales, PA · Accident · 1 fatal · Closed · Nov 23, 1977 · N1018L · Destroyed

Next page: https://openairdocs.org/ntsb-phases/650/cases.md?page=12

## 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=11

---
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.