# 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 15 of 44 · 2,192 cases

## Cases, newest first

- [NTSB MKC76AK077](https://openairdocs.org/ntsb/MKC76AK077.md): Cessna 172 · Mandan, ND · Accident · 4 fatal · Closed · Aug 16, 1976 · N3783F · Destroyed
- [NTSB MKC76AK075](https://openairdocs.org/ntsb/MKC76AK075.md): Beech B35 · Columbus, NE · Accident · 3 fatal · Closed · Aug 14, 1976 · N5232C · Destroyed
- [NTSB CHI76FEM53](https://openairdocs.org/ntsb/CHI76FEM53.md): Thorp T-18 · Menominee, MI · Accident · 2 fatal · Closed · Aug 7, 1976 · N12BS · Destroyed
- [NTSB LAX76FL091](https://openairdocs.org/ntsb/LAX76FL091.md): Piper PA-28 · Banning, CA · Accident · 4 fatal · Closed · Jul 31, 1976 · N5229L · Destroyed
- [NTSB MKC76FCG87](https://openairdocs.org/ntsb/MKC76FCG87.md): Aero Comdr 500B · Topeka, KS · Accident · Minor injuries · Closed · Jul 19, 1976 · N299PE · Substantial damage
- [NTSB SEA76AS060](https://openairdocs.org/ntsb/SEA76AS060.md): Piper PA-22 · Hoquiam, WA · Accident · 3 fatal · Closed · Jul 3, 1976 · N9344D · Destroyed
- [NTSB NYC76AN105](https://openairdocs.org/ntsb/NYC76AN105.md): Cessna 172 · Turo, MA · Accident · 4 fatal · Closed · Jun 26, 1976 · CF-QNG · Destroyed
- [NTSB CHI76AC081](https://openairdocs.org/ntsb/CHI76AC081.md): Piper PA-22 · Gadwin, MI · Accident · 2 fatal · Closed · Jun 18, 1976 · N2227A · Destroyed
- [NTSB MKC76AK059](https://openairdocs.org/ntsb/MKC76AK059.md): Cessna 182 · Dickinson, ND · Accident · 4 fatal · Closed · Jun 8, 1976 · C-GOMA · Destroyed
- [NTSB SEA76AS052](https://openairdocs.org/ntsb/SEA76AS052.md): Piper J3C-65 · Rock Springs, MT · Accident · 2 fatal · Closed · May 30, 1976 · N6519H · Destroyed
- [NTSB LAX76AL080](https://openairdocs.org/ntsb/LAX76AL080.md): Beech M35 · Irvine, CA · Accident · 4 fatal · Closed · May 28, 1976 · N9887R · Destroyed
- [NTSB CHI76AC064](https://openairdocs.org/ntsb/CHI76AC064.md): Piper PA-28 · W.Terre Haute, IN · Accident · 2 fatal · Closed · May 28, 1976 · N6331R · Destroyed
- [NTSB CHI76AC063](https://openairdocs.org/ntsb/CHI76AC063.md): Cessna 310H · Richland City, IN · Accident · 1 fatal · Closed · May 27, 1976 · N1075Q · Destroyed
- [NTSB LAX76AL083](https://openairdocs.org/ntsb/LAX76AL083.md): Piper PA-24 · Chula Vista, CA · Accident · 4 fatal · Closed · May 26, 1976 · N6009P · Destroyed
- [NTSB MIA76AM086](https://openairdocs.org/ntsb/MIA76AM086.md): Cessna 172M · Lavonia, GA · Accident · 2 fatal · Closed · May 24, 1976 · N9941Q · Destroyed
- [NTSB ANC76AA088](https://openairdocs.org/ntsb/ANC76AA088.md): Piper PA-34 · Petersburg, AK · Accident · 6 fatal · Closed · May 18, 1976 · N55951 · Destroyed
- [NTSB FTW76AF092](https://openairdocs.org/ntsb/FTW76AF092.md): Cessna 172M · Kirkland, TX · Accident · 1 fatal · Closed · Apr 29, 1976 · N21496 · Destroyed
- [NTSB SEA76AS044](https://openairdocs.org/ntsb/SEA76AS044.md): Cessna 177B · Roseburg, OR · Accident · 2 fatal · Closed · Apr 21, 1976 · N10081 · Destroyed
- [NTSB DEN76FQA41](https://openairdocs.org/ntsb/DEN76FQA41.md): Cessna 172 · Albuquerque, NM · Accident · Serious injuries · Closed · Apr 19, 1976 · N6741A · Substantial damage
- [NTSB LAX76SL071](https://openairdocs.org/ntsb/LAX76SL071.md): Cessna 172H · Winslow, AZ · Accident · 1 fatal · Closed · Apr 15, 1976 · N3737R · Destroyed
- [NTSB FTW76FRJ20](https://openairdocs.org/ntsb/FTW76FRJ20.md): Cessna 182P · Jones, LA · Accident · Serious injuries · Closed · Apr 13, 1976 · N9110M · Destroyed
- [NTSB OAK76AP049](https://openairdocs.org/ntsb/OAK76AP049.md): Bellanca 14-132 · Trimmer, CA · Accident · 1 fatal · Closed · Apr 8, 1976 · N86927 · Destroyed
- [NTSB DEN76AD047](https://openairdocs.org/ntsb/DEN76AD047.md): Beech A36 · Aspen, CO · Accident · 2 fatal · Closed · Apr 8, 1976 · N6061S · Substantial damage
- [NTSB OAK76FP048](https://openairdocs.org/ntsb/OAK76FP048.md): Cessna 182P · So.Lake Tahoe, CA · Accident · 4 fatal · Closed · Apr 4, 1976 · N1932M · Destroyed
- [NTSB OAK76AP047](https://openairdocs.org/ntsb/OAK76AP047.md): Cessna 182L · Feather Falls, CA · Accident · 1 fatal · Closed · Apr 4, 1976 · N42575 · Destroyed
- [NTSB FTW76AF083](https://openairdocs.org/ntsb/FTW76AF083.md): Cessna 170 · College Sta, TX · Accident · 4 fatal · Closed · Apr 4, 1976 · N5532C · Destroyed
- [NTSB SEA76DYA23](https://openairdocs.org/ntsb/SEA76DYA23.md): Cessna 180 · Pocatello, ID · Accident · No injuries · Closed · Apr 1, 1976 · N2925C · Substantial damage
- [NTSB OAK76AP046](https://openairdocs.org/ntsb/OAK76AP046.md): Cessna 150G · Salinas, CA · Accident · 2 fatal · Closed · Mar 31, 1976 · N2767S · Destroyed
- [NTSB DEN76AD042](https://openairdocs.org/ntsb/DEN76AD042.md): Piper PA-23 · Lusk, WY · Accident · 4 fatal · Closed · Mar 20, 1976 · N3080P · Destroyed
- [NTSB MKC76AK048](https://openairdocs.org/ntsb/MKC76AK048.md): Grum Amer AA1-B · Medicine Lodge, KS · Accident · 2 fatal · Closed · Mar 15, 1976 · N1462R · Destroyed
- [NTSB FTW76AF072](https://openairdocs.org/ntsb/FTW76AF072.md): Piper PA-23 · Hope, AR · Accident · 2 fatal · Closed · Mar 15, 1976 · N4855P · Destroyed
- [NTSB FTW76AF071](https://openairdocs.org/ntsb/FTW76AF071.md): Cessna 172 · Marksville, LA · Accident · 1 fatal · Closed · Mar 12, 1976 · N5928R · Destroyed
- [NTSB ANC76AA074](https://openairdocs.org/ntsb/ANC76AA074.md): Cessna 207 · Igiugig, AK · Accident · 4 fatal · Closed · Mar 7, 1976 · N91142 · Destroyed
- [NTSB DEN76AD039](https://openairdocs.org/ntsb/DEN76AD039.md): Cessna 182 · San Ysidro, NM · Accident · 2 fatal · Closed · Mar 6, 1976 · N5537B · Destroyed
- [NTSB MKC76AK045](https://openairdocs.org/ntsb/MKC76AK045.md): Beech V35A · Forbes, MN · Accident · 4 fatal · Closed · Feb 28, 1976 · N869S · Destroyed
- [NTSB DEN76AD034](https://openairdocs.org/ntsb/DEN76AD034.md): Cessna 320E · Sinclair, WY · Accident · 2 fatal · Closed · Feb 18, 1976 · N3440Q · Destroyed
- [NTSB LAX76AL053](https://openairdocs.org/ntsb/LAX76AL053.md): Cessna 172 · Prescott, AZ · Accident · 4 fatal · Closed · Feb 13, 1976 · N84011 · Destroyed
- [NTSB SEA76AYA19](https://openairdocs.org/ntsb/SEA76AYA19.md): Cessna 172 · Preston, ID · Accident · Serious injuries · Closed · Feb 8, 1976 · N5925R · Substantial damage
- [NTSB FTW76AF063](https://openairdocs.org/ntsb/FTW76AF063.md): Piper PA-32R · Monahans, TX · Accident · 2 fatal · Closed · Feb 6, 1976 · N7053C · Destroyed
- [NTSB CHI76AC047](https://openairdocs.org/ntsb/CHI76AC047.md): Cessna 172L · Bay City, MI · Accident · 1 fatal · Closed · Jan 31, 1976 · N3971Q · Destroyed
- [NTSB ANC76AA064](https://openairdocs.org/ntsb/ANC76AA064.md): S.N.A.I.S. SA341G · Circle, AK · Accident · 2 fatal · Closed · Jan 30, 1976 · N62176 · Destroyed
- [NTSB SEA76DTI19](https://openairdocs.org/ntsb/SEA76DTI19.md): Stearman PT-17 · Marias Pass, MT · Accident · No injuries · Closed · Jan 23, 1976 · N60131 · Substantial damage
- [NTSB LAX76AL044](https://openairdocs.org/ntsb/LAX76AL044.md): Cessna 172M · Olney Springs, CO · Accident · 1 fatal · Closed · Jan 8, 1976 · N50078 · Destroyed
- [NTSB ANC76AA059](https://openairdocs.org/ntsb/ANC76AA059.md): Bell 206B · Kenai, AK · Accident · Serious injuries · Closed · Jan 4, 1976 · N59481 · Substantial damage
- [NTSB OAK76DVG38](https://openairdocs.org/ntsb/OAK76DVG38.md): Piper PA-18A · Tulelake, CA · Accident · Serious injuries · Closed · Dec 28, 1975 · N1452C · Destroyed
- [NTSB FTW76AF052](https://openairdocs.org/ntsb/FTW76AF052.md): Mooney M20C · Strawberry, AR · Accident · 4 fatal · Closed · Dec 27, 1975 · N6413U · Destroyed
- [NTSB FTW76AF055](https://openairdocs.org/ntsb/FTW76AF055.md): Cessna U206 · Harrison, AR · Accident · 5 fatal · Closed · Dec 26, 1975 · N138ND · Destroyed
- [NTSB IAD76AI044](https://openairdocs.org/ntsb/IAD76AI044.md): Bellanca 17-31 · Butler, TN · Accident · 4 fatal · Closed · Dec 25, 1975 · N14707 · Destroyed
- [NTSB IAD76FIA08](https://openairdocs.org/ntsb/IAD76FIA08.md): Bellanca 7KCAB · Woodstock, VA · Accident · Serious injuries · Closed · Dec 24, 1975 · N53743 · Destroyed
- [NTSB OAK76AP038](https://openairdocs.org/ntsb/OAK76AP038.md): Beech 35 · Incline Vlg, NV · Accident · 3 fatal · Closed · Dec 23, 1975 · N379Z · Destroyed

Next page: https://openairdocs.org/ntsb-phases/650/cases.md?page=16

## 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=15

---
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.