# NTSB investigations, IN: 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 CHI96LA008](https://openairdocs.org/ntsb/CHI96LA008.md): Piper PA-22 · Crawfordsville, IN · Accident · Minor injuries · Limited investigation · Final report · Oct 15, 1995 · N834A · Destroyed
  > The pilot's premature raising of the flaps and the low airspeed.
- [NTSB CHI85FA301](https://openairdocs.org/ntsb/CHI85FA301.md): Bell 47G2A1 · Brook, IN · Accident · 1 fatal · Field investigation · Final report · Jul 20, 1985 · N1345A · Destroyed
  > The helicopter contacted the terrain in a flat attitude and rolled over during an autorotative landing. A witness stated an autorotation was entered at 800 ft AGL during which the plt made a 360 deg descending turn. An application of pwr was heard at an alt…
- [NTSB CHI82FA007](https://openairdocs.org/ntsb/CHI82FA007.md): Cessna 172 · Kokomo, IN · Accident · 4 fatal · Closed · Oct 22, 1981 · N21766 · Destroyed
- [NTSB CHI80DA061](https://openairdocs.org/ntsb/CHI80DA061.md): Aeronca C-3 · Luray, IN · Accident · 1 fatal · Closed · Aug 1, 1980 · N16291 · Substantial damage
- [NTSB CHI80FA013](https://openairdocs.org/ntsb/CHI80FA013.md): Cessna 177 · Gary, IN · Accident · 1 fatal · Closed · Dec 1, 1979 · N10412 · Destroyed
- [NTSB CHI79FA079](https://openairdocs.org/ntsb/CHI79FA079-196164.md): Cessna 310 · Blue Ridge, IN · Accident · 2 fatal · Closed · Aug 29, 1979 · N69618 · Destroyed
- [NTSB CHI79FA023](https://openairdocs.org/ntsb/CHI79FA023.md): Piper PA-28R · Memphis, IN · Accident · 2 fatal · Closed · Jan 19, 1979 · N1885F · Destroyed
- [NTSB CHI78FA066](https://openairdocs.org/ntsb/CHI78FA066.md): Brantley B-2B · Brook, IN · Accident · 1 fatal · Closed · Sep 11, 1978 · N2284U · Destroyed
- [NTSB CHI78FEX23](https://openairdocs.org/ntsb/CHI78FEX23.md): Hunter Mong GH-1 · Roll, IN · Accident · 1 fatal · Closed · Jul 9, 1978 · N132H · Destroyed
- [NTSB CHI788A011](https://openairdocs.org/ntsb/CHI788A011.md): Beech P35 · New Salem, IN · Accident · 5 fatal · Closed · Nov 17, 1977 · N9958Y · Destroyed
- [NTSB CHI77FEX49](https://openairdocs.org/ntsb/CHI77FEX49.md): Midget Mustng · Clinton, IN · Accident · Minor injuries · Closed · Sep 3, 1977 · N6141U · Substantial damage
- [NTSB CHI77FA018](https://openairdocs.org/ntsb/CHI77FA018.md): Piper PA-28 · Columbia City, IN · Accident · 3 fatal · Closed · Dec 25, 1976 · N1510J · Destroyed
- [NTSB CHI77FA011](https://openairdocs.org/ntsb/CHI77FA011.md): Cessna 195 · Roanoke, IN · Accident · 1 fatal · Closed · Dec 10, 1976 · N169CB · 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 CHI76AC040](https://openairdocs.org/ntsb/CHI76AC040.md): Piper PA-30 · Monrovia, IN · Accident · 2 fatal · Closed · Dec 20, 1975 · N7785Y · Destroyed
- [NTSB CHI75AC092](https://openairdocs.org/ntsb/CHI75AC092-201282.md): Piper PA-22 · Port Isabel, IN · Accident · 1 fatal · Closed · Jun 3, 1975 · N3578V · Destroyed
- [NTSB CHI75AC072](https://openairdocs.org/ntsb/CHI75AC072.md): Piper PA-24 · Cincinnati, IN · Accident · 1 fatal · Closed · Mar 23, 1975 · N7514P · Destroyed
- [NTSB NYC74AN072](https://openairdocs.org/ntsb/NYC74AN072.md): Cessna U206 · Monon, IN · Accident · 1 fatal · Closed · Feb 22, 1974 · N71992 · Destroyed
- [NTSB CHI74AC010](https://openairdocs.org/ntsb/CHI74AC010.md): Piper PA-28R · Fountaintown, IN · Accident · 1 fatal · Closed · Aug 1, 1973 · N2102T · Destroyed
- [NTSB CHI73AC087](https://openairdocs.org/ntsb/CHI73AC087.md): Piper PA-22 · Indianapolis, IN · Accident · 2 fatal · Closed · May 8, 1973 · N3378B · Destroyed
- [NTSB CHI73AC060](https://openairdocs.org/ntsb/CHI73AC060.md): Piper PA-28 · Paragon, IN · Accident · 2 fatal · Closed · Dec 25, 1972 · N8885N · Destroyed
- [NTSB CHI73AC025](https://openairdocs.org/ntsb/CHI73AC025.md): Cessna 172 · Martinsville, IN · Accident · 1 fatal · Closed · Aug 24, 1972 · N5745A · Destroyed
- [NTSB CHI73AC018](https://openairdocs.org/ntsb/CHI73AC018.md): Cessna 182M · Brownsburg, IN · Accident · 5 fatal · Closed · Aug 15, 1972 · N92004 · Destroyed
- [NTSB CHI73FEE09](https://openairdocs.org/ntsb/CHI73FEE09.md): Bellanca 17-30 · Gary, IN · Accident · No injuries · Closed · Jul 24, 1972 · N7394V · Substantial damage
- [NTSB CHI73AC004](https://openairdocs.org/ntsb/CHI73AC004.md): Piper PA-24 · Kewanna, IN · Accident · 4 fatal · Closed · Jul 15, 1972 · N5491P · Destroyed
- [NTSB CHI72AC087](https://openairdocs.org/ntsb/CHI72AC087.md): Cessna 175A · Boonville, IN · Accident · 2 fatal · Closed · May 7, 1972 · N6857E · Destroyed
- [NTSB CHI72FET18](https://openairdocs.org/ntsb/CHI72FET18.md): Cessna 172 · Elkhart, IN · Accident · Serious injuries · Closed · Mar 12, 1972 · N5632A · Destroyed
- [NTSB CHI71AC091](https://openairdocs.org/ntsb/CHI71AC091.md): Piper PA-30 · Fort Wayne, IN · Accident · 2 fatal · Closed · Jun 19, 1971 · XB-RIG · Destroyed
- [NTSB CHI71AC078](https://openairdocs.org/ntsb/CHI71AC078.md): Mooney M20C · Muncie, IN · Accident · 2 fatal · Closed · Apr 18, 1971 · N3427X · Destroyed
- [NTSB CHI71AC032](https://openairdocs.org/ntsb/CHI71AC032.md): Piper PA-28 · Pierceton, IN · Accident · 2 fatal · Closed · Nov 10, 1970 · N7795W · Destroyed
- [NTSB CHI70FBA10](https://openairdocs.org/ntsb/CHI70FBA10.md): Fulton EAA · Perrysville, IN · Accident · Minor injuries · Closed · Mar 1, 1970 · N9941 · Destroyed
- [NTSB CHI69A0075](https://openairdocs.org/ntsb/CHI69A0075.md): Mooney M20E · Jeffersonvlle, IN · Accident · 1 fatal · Closed · Feb 28, 1969 · N1274X · Destroyed
- [NTSB CHI69D0275](https://openairdocs.org/ntsb/CHI69D0275.md): Piper PA-28 · Andersonville, IN · Accident · No injuries · Closed · Sep 10, 1968 · N9488J · Destroyed
- [NTSB CHI69A0017](https://openairdocs.org/ntsb/CHI69A0017.md): Mooney A2-A · Anderson, IN · Accident · 3 fatal · Closed · Aug 10, 1968 · N5487F · Destroyed
- [NTSB CHI69F0067](https://openairdocs.org/ntsb/CHI69F0067.md): Cessna 172 · Fairbanks, IN · Accident · Serious injuries · Closed · Jun 18, 1968 · N6084A · Destroyed
- [NTSB CHI68A0091](https://openairdocs.org/ntsb/CHI68A0091-110933.md): Beech 35 · Gary, IN · Accident · 1 fatal · Closed · Apr 19, 1968 · N3057V · Destroyed
- [NTSB CHI68A0064](https://openairdocs.org/ntsb/CHI68A0064.md): Cessna 172 · Liberty, IN · Accident · 2 fatal · Closed · Jan 21, 1968 · N4142F · Destroyed
- [NTSB CHI67A0110](https://openairdocs.org/ntsb/CHI67A0110.md): Cessna 182 · Gary, IN · Accident · 4 fatal · Closed · Mar 27, 1967 · N3687U · Destroyed
- [NTSB CHI67A0104](https://openairdocs.org/ntsb/CHI67A0104.md): Cessna 210 · Bainbridge, IN · Accident · 3 fatal · Closed · Mar 17, 1967 · N9462T · Destroyed
- [NTSB CHI67A0102](https://openairdocs.org/ntsb/CHI67A0102.md): Cessna 210A · Plymouth, IN · Accident · 1 fatal · Closed · Mar 15, 1967 · N6683X · Destroyed
- [NTSB CHI67A0094](https://openairdocs.org/ntsb/CHI67A0094.md): Cessna 150 · Kokomo, IN · Accident · 2 fatal · Closed · Feb 8, 1967 · N5535E · Destroyed
- [NTSB CHI67A0069](https://openairdocs.org/ntsb/CHI67A0069.md): Beech A23 · Forest, IN · Accident · 1 fatal · Closed · Nov 26, 1966 · N1439L · Destroyed
- [NTSB CHI66A0089](https://openairdocs.org/ntsb/CHI66A0089.md): Piper PA-22 · Morocco, IN · Accident · 1 fatal · Closed · May 12, 1966 · N3208Z · Destroyed
- [NTSB CHI65A0080](https://openairdocs.org/ntsb/CHI65A0080.md): Piper PA-22 · Madison, IN · Accident · 1 fatal · Closed · Mar 8, 1965 · N3317Z · Destroyed
- [NTSB UNK64X1084](https://openairdocs.org/ntsb/UNK64X1084.md): Piper PA-28 · Auburn, IN · Accident · 4 fatal · Closed · Mar 28, 1964 · N7551W · Destroyed
- [NTSB UNK64X0336](https://openairdocs.org/ntsb/UNK64X0336.md): Cessna 172 · Lochiel, IN · Accident · 1 fatal · Closed · Jan 23, 1964 · N2753U · 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" = 'IN' 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=IN

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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.