# NTSB investigations, 1993, 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 CHI94LA057](https://openairdocs.org/ntsb/CHI94LA057.md): Cessna 182 · Centerville, IA · Accident · Serious injuries · Limited investigation · Final report · Dec 21, 1993 · N4791D · Substantial damage
  > the pilot's failure to refuel the airplane during the flight. Factors related to the accident were the inaccurate fuel consumption calculations for the airplane and the fence.
- [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 CHI94LA044](https://openairdocs.org/ntsb/CHI94LA044.md): Beech 23 · Denison, IA · Accident · Serious injuries · Limited investigation · Final report · Dec 6, 1993 · N6959Q · Substantial damage
  > The pilot-in-command's inadequate remedial action. A factor associated with the accident is the student pilot's inadequate aircraft handling.
- [NTSB CHI94LA022](https://openairdocs.org/ntsb/CHI94LA022.md): Hiller UH12E · Sioux Rapids, IA · Accident · No injuries · Limited investigation · Final report · Oct 22, 1993 · N4026S · Destroyed
  > the Pilot in Command failed to maintain clearance with the terrain while proceeding up an upslope.
- [NTSB CHI93LA380](https://openairdocs.org/ntsb/CHI93LA380.md): Cessna 177B · Fayette, IA · Accident · No injuries · Limited investigation · Final report · Sep 27, 1993 · N35163 · Substantial damage
  > the pilot-in-command's failure to refuel the airplane. A factor was a road sign and fuel exhaustion.
- [NTSB CHI93LA375](https://openairdocs.org/ntsb/CHI93LA375.md): Piper PA-23-250 · Spencer, IA · Accident · No injuries · Limited investigation · Final report · Sep 20, 1993 · N5309Y · Substantial damage
  > the pilot's to switch fuel tanks which resulted in fuel starvation. A factor related to the accident was the rough terrain on which the airplane was landed.
- [NTSB CHI93LA356](https://openairdocs.org/ntsb/CHI93LA356.md): Cessna 150H · Crescent, IA · Accident · No injuries · Limited investigation · Final report · Sep 11, 1993 · N23205 · Substantial damage
  > Improper in-flight planning/decision by the pilot, after encountering unfavorable winds and a low fuel level, which resulted in fuel exhaustion. The unfavorable wind was a related factor.
- [NTSB CHI93LA348](https://openairdocs.org/ntsb/CHI93LA348.md): Bellanca 17-30 · Blakesburg, IA · Accident · No injuries · Limited investigation · Final report · Sep 3, 1993 · N6582V · Substantial damage
  > The pilot's failure to maintain clearance with the fence post and his midjudging the airplane glidepath.
- [NTSB CHI93LA345](https://openairdocs.org/ntsb/CHI93LA345.md): Beech P35 · Ottumwa, IA · Accident · No injuries · Limited investigation · Final report · Aug 31, 1993 · N8527M · Substantial damage
  > an oil leak in the oil filter adapter. A factor was landing in a crop field.
- [NTSB CHI93LA325](https://openairdocs.org/ntsb/CHI93LA325.md): Cessna 152-II · Keokuk, IA · Accident · No injuries · Limited investigation · Final report · Aug 17, 1993 · N47716 · Substantial damage
  > the loss of engine power due to an exhaust valve failure. A factor related to the accident is the power line.
- [NTSB CHI93LA292](https://openairdocs.org/ntsb/CHI93LA292.md): Cessna 152 · Marion, IA · Accident · No injuries · Limited investigation · Final report · Aug 2, 1993 · N49899 · Substantial damage
  > the failure of the pilot to refuel prior to fuel exhaustion.
- [NTSB CHI93DCD03](https://openairdocs.org/ntsb/CHI93DCD03.md): Howard W. Dutton Glas AIR II RG · Mt. Pleasant, IA · Accident · 1 fatal · Final report · Aug 2, 1993 · N92T · Destroyed
  > the pilot-in-command's not maintaining aircraft control.
- [NTSB CHI93LA305](https://openairdocs.org/ntsb/CHI93LA305.md): Bell 47G-3B · Clarinda, IA · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1993 · N8480E · Destroyed
  > The commercial pilot's failure to maintain adequate clearance from obstacles during aerial application maneuvers.
- [NTSB CHI93LA264](https://openairdocs.org/ntsb/CHI93LA264.md): Bellanca DW-1 · Grinnell, IA · Accident · No injuries · Limited investigation · Final report · Jul 19, 1993 · N8815W · Substantial damage
  > the loss of engine power due to undetermined reason(s). A factor in the accident is the soft field landing site.
- [NTSB CHI93LA255](https://openairdocs.org/ntsb/CHI93LA255.md): Cessna 182 · Prairie City, IA · Accident · No injuries · Limited investigation · Final report · Jul 11, 1993 · N91162 · Substantial damage
  > the pilot's premature liftoff. Factors in the accident are the soft and wet sod runway.
- [NTSB CHI93GA204](https://openairdocs.org/ntsb/CHI93GA204.md): Beech 95-C55 · Fort Madison, IA · Accident · 2 fatal · Final report · Jun 11, 1993 · N301U · Substantial damage
  > the pilot-in command's failure to maintain control of the aircraft. Factors were door not secured, checklist not followed, diverted attention of the pilot-in-command, and emergency procedure not followed.
- [NTSB CHI93LA197](https://openairdocs.org/ntsb/CHI93LA197.md): Cessna 210L · Indianola, IA · Accident · No injuries · Limited investigation · Final report · Jun 6, 1993 · N2267S · Substantial damage
  > A fatigue fracture of the crankshaft.
- [NTSB CHI93DCD02](https://openairdocs.org/ntsb/CHI93DCD02.md): Piper PA-25 · Essex, IA · Accident · 1 fatal · Final report · May 21, 1993 · N6453Z · Destroyed
  > Fatigue failure of the forward spar fuselage attachment assembly for the right wing. A factor related to the accident was: the lack of a directed inspection procedure that could have been provided with the issuance of an airworthiness directive.
- [NTSB DCA93GA042](https://openairdocs.org/ntsb/DCA93GA042.md): Mitsubishi MU-2B-60 · Zwingle, IA · Accident · 8 fatal · Class 1 · Final report · Apr 19, 1993 · N86SD · Destroyed
  > The fatigue cracking and fracture of the propeller hub arm. The resultant separation of the hub arm and the propeller blade damaged the engine, nacelle, wing, and fuselage, thereby causing significant degradation to aircraft performance and control that made…
- [NTSB CHI93FA103](https://openairdocs.org/ntsb/CHI93FA103.md): Piper PA-28-140 · Newton, IA · Accident · 4 fatal · Field investigation · Final report · Mar 6, 1993 · N1646J · Destroyed
  > VFR flight into IMC conditions. Factors related to the accident were fog, and the pilot's lack of total instrument time.
- [NTSB CHI93LA100](https://openairdocs.org/ntsb/CHI93LA100.md): Luscombe 8A · Mason City, IA · Accident · Serious injuries · Limited investigation · Final report · Feb 28, 1993 · N2611K · Substantial damage
  > Excessive braking by the dual student.
- [NTSB CHI93LA074](https://openairdocs.org/ntsb/CHI93LA074.md): Cessna 152 · Lineville, IA · Accident · No injuries · Limited investigation · Final report · Jan 19, 1993 · N60SX · Substantial damage
  > Carburetor ice as a result of the pilot-in-command's improper use of carburetor heat.

## 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 year(c."eventDate") = 1993
  AND c."eventStateOrRegion" = 'IA' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=IA&year=1993

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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.