# NTSB investigations: Continental I0-470 series, MN

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 CEN25FA364](https://openairdocs.org/ntsb/CEN25FA364.md): Beech K35 · Cambridge, MN · Accident · 1 fatal · Class 3 · Field · Preliminary report · Sep 4, 2025 · N6021E · Substantial damage
  > On September 4, 2025, about 1105 central daylight time, a Beech K35 airplane, N6021E, sustained substantial damage when it was involved in an accident near Cambridge, Minnesota. The pilot sustained fatal injuries. The airplane was operated as a Title 14 Code…
- [NTSB CHI04LA181](https://openairdocs.org/ntsb/CHI04LA181.md): Beech BE-N35 · Austin, MN · Accident · No injuries · Limited investigation · Final report · Jul 9, 2004 · N80HL · Substantial damage
  > The loss of engine power due to the fatigue fracture of the piston pin plug that lead to engine oil starvation/exhaustion and the subsequent overload fracture of the piston rod and crankcase.
- [NTSB CHI04LA046](https://openairdocs.org/ntsb/CHI04LA046.md): Beech 95-B55 · St. Paul, MN · Accident · No injuries · Limited investigation · Final report · Dec 22, 2003 · N221Q · Substantial damage
  > The failure of the worm drive bearing that resulted in the failure of the landing gear extension/retraction gearbox, which ultimately resulted in the extension of the landing gear not being possible. A factor to the accident was the airport sign that the…
- [NTSB CHI03LA326](https://openairdocs.org/ntsb/CHI03LA326.md): Cessna 210 · St. Paul, MN · Accident · No injuries · Limited investigation · Final report · Sep 1, 2003 · N7445E · Substantial damage
  > The pilot in command performing an improper flare.
- [NTSB CHI02LA235](https://openairdocs.org/ntsb/CHI02LA235.md): Cessna 185B · Brainerd, MN · Accident · Minor injuries · Limited investigation · Final report · Aug 4, 2002 · N11LP · Substantial damage
  > The pilot's evasive maneuver to avoid obstacle clearance, resulting in a premature lift off with inadequate airspeed followed by a stall. The presence of the boat was a factor.
- [NTSB CHI00FA080](https://openairdocs.org/ntsb/CHI00FA080.md): Beech 95-B55 · Moorhead, MN · Accident · 3 fatal · Field investigation · Final report · Feb 24, 2000 · N7736R · Destroyed
  > the pilot's failure to maintain aircraft control during the missed approach. Factors to the accident were, the pilot's improper decision to attempt the approach in weather conditions below the approach/landing minimums, the weather, the pilot's lack of…
- [NTSB CHI99LA265](https://openairdocs.org/ntsb/CHI99LA265.md): Cessna 310N · Eden Prairie, MN · Accident · No injuries · Limited investigation · Final report · Jul 31, 1999 · N310DE · Substantial damage
  > maintenance personnel installed washers which were not large enough in diameter to prevent the retraction/extension scissors links from separating from each other.
- [NTSB CHI91LA107](https://openairdocs.org/ntsb/CHI91LA107.md): Beech 55 · Forest Lake, MN · Accident · No injuries · Limited investigation · Final report · Mar 5, 1991 · N29SF · Substantial damage
  > An aborted landing not performed by the pilot. Factors related to the accident were a runway that was wet and ice covered.
- [NTSB CHI87DER09](https://openairdocs.org/ntsb/CHI87DER09.md): Great Lakes Adams 2T-1 · Bethel/Msp, MN · Accident · 1 fatal · Final report · Jul 10, 1987 · N23JA · Substantial damage
  > The amateur built aircraft impacted in an open farm field. Although witnesses did not agree on the altitude the aircraft was flying at, they all stated that the Great lakes 2T-1 was spinning before it collided with the ground. One witness indicated that the…
- [NTSB CHI85FA314](https://openairdocs.org/ntsb/CHI85FA314.md): Beech J35 · Eden Prairie, MN · Accident · 4 fatal · Field investigation · Final report · Jul 26, 1985 · N687B · Destroyed
  > The plt's windscreen became covered with oil shortly after takeoff. The plt returned to the arpt attempting to set up a pattern for landing. The acft was observed in a descent and turn to final apch. The acft collided with the ground in a descending left…
- [NTSB CHI83LA140](https://openairdocs.org/ntsb/CHI83LA140.md): Beech 35-C33 · Princton, MN · Accident · No injuries · Limited investigation · Final report · Mar 16, 1983 · N10HR · Substantial damage
  > The pilot said that at 6000 feet MSL the engine began to miss and got worse. He tried to correct the situation but could not. He requested and was given vectors to the princeton arpt. The arpt was closed at the time due to snow covered ruts on the rnwy and…
- [NTSB CHI81FER67](https://openairdocs.org/ntsb/CHI81FER67.md): Beech P35 · Stephen, MN · Accident · No injuries · Closed · Sep 5, 1981 · N1501S · Substantial damage
- [NTSB MKC78FA041](https://openairdocs.org/ntsb/MKC78FA041.md): Beech 35-B33 · Harris, MN · Accident · 4 fatal · Closed · May 29, 1978 · N1320Z · Destroyed
- [NTSB MKC78FER22](https://openairdocs.org/ntsb/MKC78FER22.md): Cessna 310C · Blaine, MN · Accident · No injuries · Closed · Jan 4, 1978 · N1780H · Substantial damage
- [NTSB MKC78FER03](https://openairdocs.org/ntsb/MKC78FER03.md): Cessna 310 · Eden Prairie, MN · Accident · No injuries · Closed · Oct 12, 1977 · N8917Z · Substantial damage
- [NTSB MKC76FER41](https://openairdocs.org/ntsb/MKC76FER41.md): Beech 35J · Rochester, MN · Accident · No injuries · Closed · Nov 22, 1975 · N8397D · Substantial damage
- [NTSB MKC75DER60](https://openairdocs.org/ntsb/MKC75DER60.md): Cessna 310 · Minneapolis, MN · Accident · No injuries · Closed · Mar 18, 1975 · N650R · Substantial damage
- [NTSB MKC75FER28](https://openairdocs.org/ntsb/MKC75FER28.md): Beech 95-55 · Minneapolis, MN · Accident · No injuries · Closed · Nov 7, 1974 · N1233Z · Substantial damage
- [NTSB MKC74DER62](https://openairdocs.org/ntsb/MKC74DER62.md): Beech N35 · Trimont, MN · Accident · No injuries · Closed · Jun 25, 1974 · N1289Z · Substantial damage
- [NTSB MKC74FER03](https://openairdocs.org/ntsb/MKC74FER03.md): Cessna 310J · Owatonna, MN · Accident · No injuries · Closed · Aug 1, 1973 · N3165L · Substantial damage
- [NTSB MKC73FER21](https://openairdocs.org/ntsb/MKC73FER21.md): Beech 95-B55 · Detroit Lks, MN · Accident · No injuries · Closed · Sep 7, 1972 · N7958K · Substantial damage
- [NTSB MKC70F0311](https://openairdocs.org/ntsb/MKC70F0311.md): Beech K35 · St Paul, MN · Accident · No injuries · Closed · Dec 19, 1969 · N803R · Substantial damage
- [NTSB MKC69D0346](https://openairdocs.org/ntsb/MKC69D0346-201670.md): Beech J35 · Austin, MN · Accident · No injuries · Closed · Feb 16, 1969 · N644T · Substantial damage
- [NTSB MKC68F0286](https://openairdocs.org/ntsb/MKC68F0286.md): Bellanca 14-19 · Lake Elmo, MN · Accident · No injuries · Closed · Oct 1, 1967 · N8511R · Substantial damage
- [NTSB MKC68F0253](https://openairdocs.org/ntsb/MKC68F0253.md): Bellanca 14-19 · Rothsay, MN · Accident · No injuries · Closed · Aug 5, 1967 · N1282R · Substantial damage
- [NTSB MKC67D0423](https://openairdocs.org/ntsb/MKC67D0423.md): Beech J35 · Benson, MN · Accident · No injuries · Closed · Jan 2, 1967 · N7263B · Substantial damage
- [NTSB MKC67F0137](https://openairdocs.org/ntsb/MKC67F0137.md): Downer 14-19 · Pequot Lakes, MN · Accident · No injuries · Closed · Jul 26, 1966 · N8527R · Substantial damage
- [NTSB MKC66F0391](https://openairdocs.org/ntsb/MKC66F0391.md): Beech N35 · Madison, MN · Accident · Minor injuries · Closed · Nov 3, 1965 · N1504Z · Substantial damage
- [NTSB MKC66F0065](https://openairdocs.org/ntsb/MKC66F0065.md): Cessna 205 · Roseau, MN · Accident · No injuries · Closed · May 29, 1965 · N8126Z · Substantial damage
- [NTSB UNK65X0441](https://openairdocs.org/ntsb/UNK65X0441.md): Beechcraft N-35 · Brainerd, MN · Accident · 1 fatal · Closed · Oct 25, 1964 · N9977R · Substantial damage
- [NTSB UNK64X2888](https://openairdocs.org/ntsb/UNK64X2888.md): Beechcraft 35A33 · Int L Falls, MN · Accident · Serious injuries · Closed · Jul 17, 1964 · N494T · Substantial damage

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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" = 'MN' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17027'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17027&state=MN

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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.