# NTSB investigations: Continental I0-470 series, IA

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 CEN20LA145](https://openairdocs.org/ntsb/CEN20LA145.md): Beech 35 · Sidney, IA · Accident · No injuries · Class 3 · Limited · Final report · Apr 10, 2020 · N1258Z · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB CEN13FA082](https://openairdocs.org/ntsb/CEN13FA082.md): Beech P35 · Correctionville, IA · Accident · 2 fatal · Field investigation · Final report · Dec 2, 2012 · N1566Z · Substantial damage
  > The pilot’s failure to perform a go-around after encountering thick fog at night.
- [NTSB CEN11FA040](https://openairdocs.org/ntsb/CEN11FA040.md): Beech 95-B55 (T42A) · Clarion, IA · Accident · 1 fatal · Field investigation · Final report · Oct 21, 2010 · N784CB · Destroyed
  > The pilot's failure to maintain control of the airplane. Contributing to the accident was the loss of left engine power for undetermined reasons.
- [NTSB CHI01FA230](https://openairdocs.org/ntsb/CHI01FA230.md): Beech K35 · Grafton, IA · Accident · 2 fatal · Field investigation · Final report · Jul 21, 2001 · N6062E · Destroyed
  > The pilot's improper inflight decision to continue into known adverse weather. A factor was the thunderstorm.
- [NTSB CHI98LA103](https://openairdocs.org/ntsb/CHI98LA103.md): Cessna 310Q · Council Bluffs, IA · Accident · Minor injuries · Limited investigation · Final report · Mar 16, 1998 · N1521T · Substantial damage
  > the pilot's failure to maintain proper runway alignment during the landing. The dark night was a factor.
- [NTSB CHI94LA045](https://openairdocs.org/ntsb/CHI94LA045.md): Cessna 210B · Dubuque, IA · Accident · Serious injuries · Limited investigation · Final report · Dec 6, 1993 · N9684X · Substantial damage
  > Flight by the pilot into known icing conditions, which resulted in airframe icing and an inability of the aircraft to maintain altitude on the ILS glidepath, once the landing gear was lowered. The weather conditions were related factors.
- [NTSB MKC86LA041](https://openairdocs.org/ntsb/MKC86LA041.md): Beech M35 · Council Bluffs, IA · Accident · No injuries · Limited investigation · Final report · Dec 27, 1985 · N9730R · Substantial damage
  > The acft made a gear-up forced lndg off the arpt after a loss of power during a business flt. The acft had only been airborne for about 15 minutes. Post accident investigation discovered that the acft fuel was contaminated with water.
- [NTSB MKC83LA183](https://openairdocs.org/ntsb/MKC83LA183.md): Beech M35 · Sioux City, IA · Accident · No injuries · Limited investigation · Final report · Aug 8, 1983 · N555M · Substantial damage
  > The plt stated that the landing gear switch was down when he started tha takeoff roll. When the acft had accelerated to aprx 50 mph during the takeoff roll, the landing gear retracted/collapsed, nose wheel first, followed by the main gear. The plt stated that…
- [NTSB MKC83FA128](https://openairdocs.org/ntsb/MKC83FA128.md): Beech J35 · Knoxville, IA · Accident · 4 fatal · Field investigation · Final report · Jun 12, 1983 · N3054C · Destroyed
  > The acft was observed to lift off the rwy aft abt a 900 ft ground roll. The lndg gear began to retract as it lifted off, and it began an immediate left turn overflying the airport hangars. It was further observed with the wings aligned with the ground in a 90…
- [NTSB MKC83FA061](https://openairdocs.org/ntsb/MKC83FA061.md): Beech M35 · Cedar Rapids, IA · Accident · Serious injuries · Field investigation · Final report · Jan 31, 1983 · N9708R · No damage
  > The acft engine fired as the pilot hand-propped it and the propeller struck the pilot in the leg. The pilot had tried the starter but could not get a start. He turned the switches off and decided to pull the prop through by hand. He pulled it through…
- [NTSB MKC82DA122](https://openairdocs.org/ntsb/MKC82DA122.md): Beech 95-A55 · Laurens, IA · Accident · Minor injuries · Final report · Jul 13, 1982 · N1456G · Substantial damage
  > The pilot had no current medical certificate or FAA pilot license. He stated that most of the time, he had a pilot in the company, but on this day, he was unable to obtain a pilot and conducted the flight himself. He stated that during his landing approach at…
- [NTSB MKC82DA068](https://openairdocs.org/ntsb/MKC82DA068.md): Beech M35 · Ottumwa, IA · Accident · Minor injuries · Final report · May 2, 1982 · N313Z · Substantial damage
  > During flight, the engine RPM exceeded its maximum limit. The pilot attempted to reduce the RPM by using the propeller control, but this had no effect. The pilot was in the process of shutting down the engine when engine oil sprayed out the cowling and onto…
- [NTSB MKC79DCD14](https://openairdocs.org/ntsb/MKC79DCD14.md): Beech 35 · Grinnell, IA · Accident · No injuries · Closed · Mar 14, 1979 · N906B · Substantial damage
- [NTSB MKC76FCD17](https://openairdocs.org/ntsb/MKC76FCD17.md): Cessna 210A · Council Bluffs, IA · Accident · Serious injuries · Closed · Oct 28, 1975 · N9424X · Substantial damage
- [NTSB MKC73FCD48](https://openairdocs.org/ntsb/MKC73FCD48.md): Cessna 310D · Des Moines, IA · Accident · No injuries · Closed · Jan 17, 1973 · N6999T · Substantial damage
- [NTSB MKC72DCD67](https://openairdocs.org/ntsb/MKC72DCD67.md): Cessna 185 · Council Blfs, IA · Accident · No injuries · Closed · Apr 17, 1972 · N4010Y · Destroyed
- [NTSB MKC71DCD87](https://openairdocs.org/ntsb/MKC71DCD87.md): Beech 35-C33 · Centerville, IA · Accident · No injuries · Closed · Jun 11, 1971 · N5454U · Substantial damage
- [NTSB MKC71FCD66](https://openairdocs.org/ntsb/MKC71FCD66.md): Beech K35 · Mason City, IA · Accident · No injuries · Closed · Mar 28, 1971 · N6089E · Substantial damage
- [NTSB MKC71AK044](https://openairdocs.org/ntsb/MKC71AK044.md): Cessna 172G · Marshalltown, IA · Accident · 1 fatal · Closed · Feb 6, 1971 · N4678L · 2 aircraft · Destroyed
- [NTSB MKC71DCD46](https://openairdocs.org/ntsb/MKC71DCD46.md): Beech 95-B55 · Mason City, IA · Accident · No injuries · Closed · Dec 31, 1970 · N291BP · Substantial damage
- [NTSB MKC71FCJ28](https://openairdocs.org/ntsb/MKC71FCJ28.md): Cessna 205 · Harlan, IA · Accident · No injuries · Closed · Oct 25, 1970 · N8212Z · Substantial damage
- [NTSB MKC71DCD09](https://openairdocs.org/ntsb/MKC71DCD09.md): Cessna 210A · Winterset, IA · Accident · No injuries · Closed · Jul 20, 1970 · N6654X · Substantial damage
- [NTSB MKC70DCD10](https://openairdocs.org/ntsb/MKC70DCD10.md): Beech K35 · Spirit Lake, IA · Accident · No injuries · Closed · Feb 4, 1970 · N646Q · Substantial damage
- [NTSB MKC70D0142](https://openairdocs.org/ntsb/MKC70D0142.md): Beech 35-B33 · Grinnell, IA · Accident · No injuries · Closed · Aug 11, 1969 · N9703Y · Substantial damage
- [NTSB MKC69F0417](https://openairdocs.org/ntsb/MKC69F0417.md): Cessna 210 · Des Moines, IA · Accident · No injuries · Closed · May 1, 1969 · N9699T · Substantial damage
- [NTSB MKC68A0042](https://openairdocs.org/ntsb/MKC68A0042.md): Cessna 210 · Ute, IA · Accident · No injuries · Closed · Dec 28, 1967 · N3672Y · Substantial damage
- [NTSB MKC68D0227](https://openairdocs.org/ntsb/MKC68D0227.md): Beech P35 · Spencer, IA · Accident · No injuries · Closed · Sep 24, 1967 · N8625M · Substantial damage
- [NTSB MKC68D0136](https://openairdocs.org/ntsb/MKC68D0136.md): Cessna 210 · Sioux City, IA · Accident · No injuries · Closed · Aug 9, 1967 · N9496X · Substantial damage
- [NTSB MKC66D0236](https://openairdocs.org/ntsb/MKC66D0236.md): Cessna 210 · Mapleton, IA · Accident · No injuries · Closed · Sep 9, 1965 · N9454T · Substantial damage
- [NTSB MKC66D0168](https://openairdocs.org/ntsb/MKC66D0168.md): Beechcraft P-35 · Okoboji, IA · Accident · No injuries · Closed · Aug 17, 1965 · N8625M · Substantial damage
- [NTSB MKC66D0029](https://openairdocs.org/ntsb/MKC66D0029.md): Beechcraft P-35 · Spencer, IA · Accident · No injuries · Closed · May 28, 1965 · N1538S · Substantial damage
- [NTSB MKC66D0077](https://openairdocs.org/ntsb/MKC66D0077.md): Cessna 210 · Davenport, IA · Accident · No injuries · Closed · May 1, 1965 · N740B · Substantial damage
- [NTSB MKC65F0102](https://openairdocs.org/ntsb/MKC65F0102.md): Navion G-1 · Sioux City, IA · Accident · No injuries · Closed · Mar 28, 1965 · N2467T · Substantial damage
- [NTSB UNK65X1011](https://openairdocs.org/ntsb/UNK65X1011.md): Beechraft N35 · Centerville, IA · Accident · No injuries · Closed · Dec 14, 1964 · N545T · Substantial damage
- [NTSB UNK65X0656](https://openairdocs.org/ntsb/UNK65X0656.md): Cessna 210 · Knoxville, IA · Accident · No injuries · Closed · Nov 11, 1964 · N9657T · Substantial damage
- [NTSB UNK64X3987](https://openairdocs.org/ntsb/UNK64X3987.md): Cessna 205 · Red Oak, IA · Accident · No injuries · Closed · Sep 14, 1964 · N8257Z · Substantial damage
- [NTSB UNK64X2289](https://openairdocs.org/ntsb/UNK64X2289.md): Cessna 210 · Dubuque, IA · Accident · No injuries · Closed · Jun 14, 1964 · N9440T · Substantial damage
- [NTSB UNK64X1666](https://openairdocs.org/ntsb/UNK64X1666.md): Beechcraft 35J · Okoboji, IA · Accident · No injuries · Closed · May 8, 1964 · N3057C · 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" = 'IA' 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=IA

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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.