# NTSB investigations: Continental IO-520 series, SD

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 CEN20LA309](https://openairdocs.org/ntsb/CEN20LA309.md): Cessna A188 · Corsica, SD · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 27, 2020 · N53163 · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall and loss of control.
- [NTSB CEN12LA283](https://openairdocs.org/ntsb/CEN12LA283.md): Beech 58 · Sioux Falls, SD · Accident · No injuries · Limited investigation · Final report · Apr 24, 2012 · N8121R · Substantial damage
  > The failure of the normal and emergency landing gear system to fully retract or extend the landing gear for reasons that could not be determined during postaccident examinations, which resulted in a partial gear-up landing.
- [NTSB CEN11LA452](https://openairdocs.org/ntsb/CEN11LA452.md): Cessna A188A · Estelline, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 28, 2011 · N1588M · Substantial damage
  > The pilot’s failure to maintain control of the airplane during takeoff for undetermined reasons because the pilot did not recall the accident.
- [NTSB CHI07CA148](https://openairdocs.org/ntsb/CHI07CA148.md): Cessna A188 · Scotland, SD · Accident · No injuries · Data collection · Final report · May 19, 2007 · N926LT · Substantial damage
  > The pilot not maintaining adequate airspeed during takeoff, which resulted in an inadvertent stall. Factors contributing to the accident were the sudden wind shift and the low altitude at which the stall occurred.
- [NTSB CHI03LA271](https://openairdocs.org/ntsb/CHI03LA271.md): Cessna 188A · Freeman, SD · Accident · No injuries · Limited investigation · Final report · Aug 20, 2003 · N8150V · Substantial damage
  > The pilot's failure to maintain directional control and clearance during landing roll. Additional factors included the pilot's improper recovery from a bounced landing, the crosswind and the corn crop.
- [NTSB CHI93LA314](https://openairdocs.org/ntsb/CHI93LA314.md): Cessna 188 · Martin, SD · Accident · No injuries · Limited investigation · Final report · Aug 7, 1993 · N78516 · Substantial damage
  > the pilot's failure to maintain control of the airplane during the takeoff roll.
- [NTSB DEN90LA125](https://openairdocs.org/ntsb/DEN90LA125.md): Cessna 188A · Martin, SD · Accident · No injuries · Limited investigation · Final report · Jun 4, 1990 · N78516 · Substantial damage
  > The on-ground loss of control during the takeoff ground run. Contributing to this accident was the pilot's failure to use optimum takeoff flaps for the runway conditions that existed, and the soft wet runway surface.
- [NTSB DEN83FTK03](https://openairdocs.org/ntsb/DEN83FTK03.md): Beech V35A · Sioux Falls, SD · Accident · Serious injuries · Final report · Feb 16, 1983 · N8478N · Destroyed
  > During an ILS approach to rwy 3 the acft collided with 50 ft powerlines 3 mi sw of the arpt. The acft then collided witha mobile home & pickup truck. Half of the 60 ft mobile home & the truck were destroyed. Minimum altitude at the lim, located 5.2 mi from…
- [NTSB DEN80DTK12](https://openairdocs.org/ntsb/DEN80DTK12.md): Cessna A188B · Pierre, SD · Accident · No injuries · Closed · Jun 2, 1980 · N4487Q · Substantial damage
- [NTSB MKC79DTK24](https://openairdocs.org/ntsb/MKC79DTK24.md): Cessna 188B · Ashton, SD · Accident · No injuries · Closed · Aug 14, 1979 · N731CS · Substantial damage
- [NTSB MKC78FTK33](https://openairdocs.org/ntsb/MKC78FTK33.md): Cessna A188B · Doland, SD · Accident · No injuries · Closed · Jul 28, 1978 · N731LH · Substantial damage
- [NTSB MKC77DTK28](https://openairdocs.org/ntsb/MKC77DTK28.md): Cessna 188B · Turton, SD · Accident · Serious injuries · Closed · Jun 27, 1977 · N91974 · Substantial damage
- [NTSB MKC75FTK16](https://openairdocs.org/ntsb/MKC75FTK16.md): Cessna 188T · Freeman, SD · Accident · No injuries · Closed · May 1, 1975 · N9246G · Substantial damage
- [NTSB MKC74DTK13](https://openairdocs.org/ntsb/MKC74DTK13.md): Bellanca 17-30A · Kyle, SD · Accident · No injuries · Closed · Mar 13, 1974 · N6592V · Substantial damage
- [NTSB MKC74DTK12](https://openairdocs.org/ntsb/MKC74DTK12.md): Bellanca 300 · Kyle, SD · Accident · No injuries · Closed · Mar 9, 1974 · N6592V · Substantial damage
- [NTSB MKC74AK048](https://openairdocs.org/ntsb/MKC74AK048.md): Beech F33A · Gettysburg, SD · Accident · Minor injuries · Closed · Feb 12, 1974 · N6DH · Substantial damage
- [NTSB MKC72FTK11](https://openairdocs.org/ntsb/MKC72FTK11.md): Beech S35 · Pierre, SD · Accident · Serious injuries · Closed · Nov 25, 1971 · N198Q · Substantial damage
- [NTSB MKC72DTK10](https://openairdocs.org/ntsb/MKC72DTK10.md): Beech S35 · Ipswich, SD · Accident · No injuries · Closed · Nov 18, 1971 · N8657Q · Substantial damage
- [NTSB MKC70A0009](https://openairdocs.org/ntsb/MKC70A0009.md): Bell 47G 2 · Keystone, SD · Accident · 3 fatal · Closed · Sep 4, 1969 · N28208 · Destroyed
- [NTSB MKC68F0423](https://openairdocs.org/ntsb/MKC68F0423.md): Beech V-35 · Dell Rapids, SD · Accident · No injuries · Closed · Jan 17, 1968 · N7895L · Substantial damage
- [NTSB MKC68A0028](https://openairdocs.org/ntsb/MKC68A0028.md): Beech V35 · Huron, SD · Accident · No injuries · Closed · Oct 13, 1967 · N2047W · Substantial damage
- [NTSB MKC66F0540](https://openairdocs.org/ntsb/MKC66F0540.md): Beech V35 · Watertown, SD · Accident · No injuries · Closed · May 2, 1966 · N9518Q · 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" = 'SD' 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 ('17032'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17032&state=SD

---
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.
