# NTSB investigations: Aeronca 7BCM: Loss of engine power (partial)

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 CEN18LA223](https://openairdocs.org/ntsb/CEN18LA223.md): Aeronca 7BCM · Eureka Springs, AR · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 14, 2018 · N9098C · Substantial damage
  > The pilot’s failure to maintain adequate airspeed following a partial loss of engine power after takeoff for undetermined reasons, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall at a low altitude.
- [NTSB CEN17LA238](https://openairdocs.org/ntsb/CEN17LA238.md): Aeronca 7BCM · Mahnomen, MN · Accident · Serious injuries · Limited investigation · Final report · Jun 21, 2017 · N2558E · Substantial damage
  > The pilot’s failure to abort the takeoff after recognizing a partial loss of engine power during the takeoff roll and his subsequent inability to maintain adequate airspeed during a turn to avoid power lines, which resulted in an aerodynamic stall. The…
- [NTSB CEN16LA267](https://openairdocs.org/ntsb/CEN16LA267.md): Aeronca 7BCM · Longmont, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 2016 · N2576E · Substantial damage
  > The pilot's decision to continue the takeoff after observing a partial loss of engine power, the reason for which could not be determined because postaccident examination of the airframe and engine revealed no evidence of mechanical malfunctions or failures.

## 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 ('2110106')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/342/sequence?model=2110106

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