# NTSB investigations: Canadian Car & Foundry HARVARD MK IV

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 WPR24LA253](https://openairdocs.org/ntsb/WPR24LA253.md): Canadian Car & Foundry Harvard MK IV · Oshkosh, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 25, 2024 · N52494 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
- [NTSB WPR24LA167](https://openairdocs.org/ntsb/WPR24LA167.md): Canadian Car & Foundry Harvard MK IV · Modesto, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 2, 2024 · N7522U · Substantial damage
  > The pilot’s improper fuel tank selection, which resulted in a total loss of engine power due to fuel starvation. Contributing to the accident was a malfunctioning fuel selector at low fuel levels.
- [NTSB CHI07CA142](https://openairdocs.org/ntsb/CHI07CA142.md): Canadian Car & Foundry Harvard MK IV · Peachtree City, GA · Accident · No injuries · Data collection · Final report · May 10, 2007 · N7757 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, resulting in a ground loop and subsequent left main gear collapse.
- [NTSB DFW05LA175](https://openairdocs.org/ntsb/DFW05LA175.md): North American T-28B · Abilene, TX · Accident · No injuries · Limited investigation · Final report · Jun 24, 2005 · N9060F · 2 aircraft · Substantial damage
  > The pilot's failure to maintain clearance while taxiing. Contributing factors were the pilot's diverted attention and the inaccurate frequency listing for ground control.
- [NTSB FTW99LA163](https://openairdocs.org/ntsb/FTW99LA163.md): Canadian Car & Foundry Harvard MK IV · Mckinney, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 1999 · N59TS · Substantial damage
  > The pilot's failure to maintain directional control on landing. Contributing factors were the elevator control restriction, the pilot's inadequate preflight, the ditch, and gusty conditions.
- [NTSB CHI98LA250](https://openairdocs.org/ntsb/CHI98LA250.md): Canadian Car & Foundry Harvard MK IV · Dyersville, IA · Accident · Minor injuries · Limited investigation · Final report · Jul 14, 1998 · N5101W · Substantial damage
  > the pilot in command's not maintaining control of the airplane and his inadvertently allowing the airplane to enter a stall. A factor was the undetermined loss of engine power.
- [NTSB FTW98LA004](https://openairdocs.org/ntsb/FTW98LA004.md): North American Harvard MK IV · Midland, TX · Accident · No injuries · Limited investigation · Final report · Oct 4, 1997 · N13595 · 2 aircraft · Substantial damage
  > the failure of the pilots of both airplanes to maintain clearance from each other. A factor was their failure to follow procedures/directives.
- [NTSB CHI91DCD02](https://openairdocs.org/ntsb/CHI91DCD02.md): Canadian Car & Foundry Harvard Mark IV · Ida Grove, IA · Accident · 1 fatal · Final report · Aug 11, 1991 · N15795 · Destroyed
  > The pilot's failure to maintain airspeed.
- [NTSB LAX85LA026](https://openairdocs.org/ntsb/LAX85LA026.md): Harvard MK IV/AT-6 · Apple Valley, CA · Accident · No injuries · Limited investigation · Final report · Oct 20, 1984 · N44110 · Substantial damage
  > Plt had executed successful crosswind landing and was decelerating on roll-out when a gust of wind caused the acft to swerve into the wind. Directional control could not be regained with rudder so plt elected to attempt go-around. Acft became airborne in…
- [NTSB LAX78FA023](https://openairdocs.org/ntsb/LAX78FA023.md): Harvard MK4 · St Johns, AZ · Accident · 1 fatal · Closed · Jan 26, 1978 · N10908 · 2 aircraft · Minor damage
- [NTSB DEN72AD046](https://openairdocs.org/ntsb/DEN72AD046.md): Harvard Markiv · Chandler, AZ · Accident · 2 fatal · Closed · Apr 8, 1972 · N626N · Destroyed
- [NTSB FTW72FPG50](https://openairdocs.org/ntsb/FTW72FPG50.md): Harvard MK IV · West Memphis, AR · Accident · No injuries · Closed · Oct 9, 1971 · N4447 · 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1922828'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1922828

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