# NTSB investigations: Aeronca 7AC, 1998

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 FTW98LA388](https://openairdocs.org/ntsb/FTW98LA388.md): Aeronca 7AC · Kaufman, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 1998 · N85798 · Destroyed
  > The pilot's failure to maintain adequate altitude and clearance of obstructions during takeoff.
- [NTSB SEA98LA110](https://openairdocs.org/ntsb/SEA98LA110.md): Aeronca 7-AC · Thompson Falls, MT · Accident · No injuries · Limited investigation · Final report · Jun 25, 1998 · N82834 · Substantial damage
  > The instructor's inadequate remedial action with the application of excessive brake pressure.
- [NTSB SEA98LA107](https://openairdocs.org/ntsb/SEA98LA107.md): Aeronca 7AC · Murphy, ID · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 1998 · N8030P · Substantial damage
  > The pilot's decision to initiate an aborted landing at an airport where, due to the high density altitude, his aircraft was unable to outclimb the rising terrain that surrounded airport. Factors include a high density altitude and crosswinds.
- [NTSB FTW98LA233](https://openairdocs.org/ntsb/FTW98LA233.md): Aeronca 7AC · Sheridan, AR · Accident · Serious injuries · Limited investigation · Final report · May 20, 1998 · N3504E · Substantial damage
  > The inadvertent engine start due to the pilot's failure to ensure that the magneto switch was in the OFF position when he was attempting to clear the flooded engine. A factor was the pilot's improper starting procedure, which resulted in flooding the engine.
- [NTSB LAX98LA111](https://openairdocs.org/ntsb/LAX98LA111.md): Aeronca 7AC · Lone Pine, CA · Accident · No injuries · Limited investigation · Final report · Mar 10, 1998 · N1659E · Substantial damage
  > The failure of maintenance personnel to properly tighten the magneto clamps during installation of the engine on the aircraft following engine overhaul.

## 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") = 1998
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2110102'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2110102&year=1998

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