# NTSB investigations, MI: 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.

## Latest cases

- [NTSB CEN11CA003](https://openairdocs.org/ntsb/CEN11CA003.md): Cessna 310J · St. Johns, MI · Accident · Minor injuries · Data collection · Final report · Oct 1, 2010 · N3051L · Substantial damage
  > The failure by the pilot to attain/maintain a climb rate for undetermined reasons during a go-around.
- [NTSB CHI05CA120](https://openairdocs.org/ntsb/CHI05CA120.md): Brantly Helicopter B-2B · Lakeview, MI · Accident · No injuries · Data collection · Final report · May 20, 2005 · N2274U · Substantial damage
  > The dual student failed to maintain adequate rotor rpm during the practice autorotation and the instructor's delay in attempting remedial action. A factor associated with the accident was the soft terrain that was encountered.
- [NTSB CHI02FA172](https://openairdocs.org/ntsb/CHI02FA172.md): Cessna 182A · Foster City, MI · Accident · 1 fatal · Field investigation · Final report · Jun 17, 2002 · N5034D · Destroyed
  > The incapacitation of the pilot. A contributing factor was the pilot and medical examiner providing false information on the pilot's medical applications.
- [NTSB CHI02LA121](https://openairdocs.org/ntsb/CHI02LA121.md): Yoder GP-4 · Mount Pleasant, MI · Accident · 2 fatal · Limited investigation · Final report · May 5, 2002 · N59JY · Destroyed
  > The inadvertent stall/spin by the pilot-in-command.
- [NTSB CHI91FA266](https://openairdocs.org/ntsb/CHI91FA266.md): Bellanca 17-30A · Boyne City, MI · Accident · 1 fatal · Field investigation · Final report · Aug 13, 1991 · N6704V · Substantial damage
  > The pilot in command's failure to maintain proper altitude. A factor contributing to the accident was the pilot in command's diverted attention..
- [NTSB CHI81FA012](https://openairdocs.org/ntsb/CHI81FA012.md): Piper PA-28R · Kalkaska, MI · Accident · 2 fatal · Closed · Dec 12, 1980 · N559PA · Destroyed
- [NTSB CHI80FAMS1](https://openairdocs.org/ntsb/CHI80FAMS1.md): Piper PA-24 · Ganges, MI · Accident · 1 fatal · Closed · Oct 10, 1979 · N8437P · Destroyed
- [NTSB DCA79AA016](https://openairdocs.org/ntsb/DCA79AA016.md): Boeing 727-31 · Saginaw, MI · Accident · Minor injuries · Closed · Apr 4, 1979 · N840TW · 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 CHI77FEC48](https://openairdocs.org/ntsb/CHI77FEC48.md): Piper PA-28 · Romeo, MI · Accident · 1 fatal · Closed · Sep 24, 1977 · N5194S · Destroyed
- [NTSB CHI77FA016](https://openairdocs.org/ntsb/CHI77FA016.md): Erco 415-C · Palo, MI · Accident · 1 fatal · Closed · Dec 19, 1976 · N99258 · Destroyed
- [NTSB CHI77AC095](https://openairdocs.org/ntsb/CHI77AC095.md): Beech 95 · L'Anse, MI · Accident · 2 fatal · Closed · Sep 20, 1976 · N2080C · Destroyed
- [NTSB CHI76FEM53](https://openairdocs.org/ntsb/CHI76FEM53.md): Thorp T-18 · Menominee, MI · Accident · 2 fatal · Closed · Aug 7, 1976 · N12BS · Destroyed
- [NTSB CHI76AC081](https://openairdocs.org/ntsb/CHI76AC081.md): Piper PA-22 · Gadwin, MI · Accident · 2 fatal · Closed · Jun 18, 1976 · N2227A · Destroyed
- [NTSB CHI76AC047](https://openairdocs.org/ntsb/CHI76AC047.md): Cessna 172L · Bay City, MI · Accident · 1 fatal · Closed · Jan 31, 1976 · N3971Q · Destroyed
- [NTSB CHI76FEM05](https://openairdocs.org/ntsb/CHI76FEM05.md): Piper PA-36 · Munger, MI · Accident · 1 fatal · Closed · Jul 23, 1975 · N9919P · Destroyed
- [NTSB CHI75AC020](https://openairdocs.org/ntsb/CHI75AC020.md): Mooney M20F · Manistique, MI · Accident · 2 fatal · Closed · Aug 22, 1974 · N6438Q · Destroyed
- [NTSB CHI74AC065](https://openairdocs.org/ntsb/CHI74AC065.md): Beech A35 · Traverse Cty, MI · Accident · 3 fatal · Closed · Jan 27, 1974 · N9329Y · Destroyed
- [NTSB CHI73AC093](https://openairdocs.org/ntsb/CHI73AC093.md): Stinson 108-3 · Freeland, MI · Accident · 3 fatal · Closed · May 27, 1973 · N4125C · Destroyed
- [NTSB CHI73AC079](https://openairdocs.org/ntsb/CHI73AC079.md): Beech E35 · Hanover, MI · Accident · 2 fatal · Closed · Mar 30, 1973 · N3506B · Destroyed
- [NTSB CHI73AC063](https://openairdocs.org/ntsb/CHI73AC063.md): Cessna 150G · Berrien Spgs, MI · Accident · 2 fatal · Closed · Jan 14, 1973 · N4033J · Destroyed
- [NTSB CHI73AC058](https://openairdocs.org/ntsb/CHI73AC058.md): Lear 23 · Romulus, MI · Accident · 2 fatal · Closed · Dec 15, 1972 · N20M · Destroyed
- [NTSB CHI73DEC04](https://openairdocs.org/ntsb/CHI73DEC04.md): Hughes 269A · Troy, MI · Accident · No injuries · Closed · Aug 26, 1972 · N8889F · Destroyed
- [NTSB CHI72AC078](https://openairdocs.org/ntsb/CHI72AC078.md): Piper PA-28 · Stockbridge, MI · Accident · 1 fatal · Closed · Apr 2, 1972 · N7321J · Destroyed
- [NTSB CHI72AC067](https://openairdocs.org/ntsb/CHI72AC067.md): Beech 35 · Saginaw, MI · Accident · 2 fatal · Closed · Feb 27, 1972 · N3806N · Destroyed
- [NTSB CHI72AC032](https://openairdocs.org/ntsb/CHI72AC032.md): Piper PA-28 · Concord, MI · Accident · 1 fatal · Closed · Oct 8, 1971 · N4700L · Destroyed
- [NTSB CHI72AC018](https://openairdocs.org/ntsb/CHI72AC018.md): Piper PA-28 · Marshall, MI · Accident · 4 fatal · Closed · Aug 27, 1971 · N7905W · Destroyed
- [NTSB CHI72AC017](https://openairdocs.org/ntsb/CHI72AC017.md): Piper PA-22 · Cadillac, MI · Accident · 2 fatal · Closed · Aug 27, 1971 · N7039B · Destroyed
- [NTSB CHI71AC079](https://openairdocs.org/ntsb/CHI71AC079.md): Cessna 182L · Ionia, MI · Accident · 2 fatal · Closed · Apr 13, 1971 · N42241 · Destroyed
- [NTSB CHI71AC071](https://openairdocs.org/ntsb/CHI71AC071.md): Beech 35-B33 · Bellaire, MI · Accident · 1 fatal · Closed · Apr 3, 1971 · CF-RGX · Destroyed
- [NTSB CHI71FBJ56](https://openairdocs.org/ntsb/CHI71FBJ56.md): Cessna 150H · Gladstone, MI · Accident · Minor injuries · Closed · Jan 25, 1971 · N22587 · Substantial damage
- [NTSB CHI70FDW23](https://openairdocs.org/ntsb/CHI70FDW23.md): Bell 47-J2 · Union Lake, MI · Accident · No injuries · Closed · Jun 20, 1970 · N73271 · Destroyed
- [NTSB CHI70AC072](https://openairdocs.org/ntsb/CHI70AC072.md): Piper PA-28 · Fowler, MI · Accident · 4 fatal · Closed · Apr 19, 1970 · N7815W · Destroyed
- [NTSB CHI70A0029](https://openairdocs.org/ntsb/CHI70A0029.md): Piper PA-23 · Charlotte, MI · Accident · 1 fatal · Closed · Nov 8, 1969 · N6095C · Destroyed
- [NTSB CHI70F0290](https://openairdocs.org/ntsb/CHI70F0290.md): Beech F35 · Freeland, MI · Accident · No injuries · Closed · Sep 13, 1969 · N3357C · Destroyed
- [NTSB CHI69A0098](https://openairdocs.org/ntsb/CHI69A0098.md): Beech 23 · Mackinaw Cty, MI · Accident · 3 fatal · Closed · Jun 1, 1969 · N2365J · Destroyed
- [NTSB CHI69A0052](https://openairdocs.org/ntsb/CHI69A0052.md): Globe GC-1B · Reed City, MI · Accident · 1 fatal · Closed · Nov 17, 1968 · N78061 · Destroyed
- [NTSB CHI69F0008](https://openairdocs.org/ntsb/CHI69F0008.md): Cessna 172D · Tecumseh, MI · Accident · Serious injuries · Closed · Jun 1, 1968 · N2652U · Destroyed
- [NTSB CHI68A0059](https://openairdocs.org/ntsb/CHI68A0059.md): Luscombe 8E · Jeddo, MI · Accident · 2 fatal · Closed · Jan 3, 1968 · N842B · Destroyed
- [NTSB CHI67A0090](https://openairdocs.org/ntsb/CHI67A0090.md): Cessna 337A · Sault St Mar, MI · Accident · 1 fatal · Closed · Jan 17, 1967 · CFUIC · Destroyed
- [NTSB CHI67A0070](https://openairdocs.org/ntsb/CHI67A0070.md): Aero Comdr 680F · Bangor, MI · Accident · 2 fatal · Closed · Nov 26, 1966 · N226AA · Destroyed
- [NTSB CHI67A0050](https://openairdocs.org/ntsb/CHI67A0050.md): Piper PA-32 · Dowagiac, MI · Accident · 6 fatal · Closed · Oct 9, 1966 · N3279W · Destroyed
- [NTSB CHI66A0082](https://openairdocs.org/ntsb/CHI66A0082.md): Piper PA-23 · Jackson, MI · Accident · 1 fatal · Closed · Apr 1, 1966 · N1118P · Destroyed
- [NTSB CHI66A0080](https://openairdocs.org/ntsb/CHI66A0080.md): Mooney MK 20C · Freeland, MI · Accident · 2 fatal · Closed · Mar 31, 1966 · N5647Q · Destroyed
- [NTSB CHI66A0041](https://openairdocs.org/ntsb/CHI66A0041.md): Lear Jet 23 · Jackson, MI · Accident · 2 fatal · Closed · Oct 21, 1965 · N804LJ · Destroyed
- [NTSB CHI66F0377](https://openairdocs.org/ntsb/CHI66F0377.md): Piper J3C-65 · Saline, MI · Accident · 1 fatal · Closed · Oct 16, 1965 · N30575 · Destroyed
- [NTSB CHI66A0031](https://openairdocs.org/ntsb/CHI66A0031.md): Cessna 172 · White Cloud, MI · Accident · 3 fatal · Closed · Sep 30, 1965 · N8413U · Destroyed
- [NTSB CHI65A0073](https://openairdocs.org/ntsb/CHI65A0073.md): Piper PA-22 · Pontiac, MI · Accident · 2 fatal · Closed · Feb 12, 1965 · N3509Z · Destroyed
- [NTSB UNK65X1189](https://openairdocs.org/ntsb/UNK65X1189.md): Curtis-Writ C-46A · Detroit, MI · Accident · 4 fatal · Closed · Dec 30, 1964 · N608Z · Destroyed

## 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."eventStateOrRegion" = 'MI' AND c."eventCountry" = 'USA'
  AND 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?state=MI

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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.