# NTSB investigations: Franklin 2A4 series

A list on [Franklin 2A4 series](https://openairdocs.org/engine/franklin-2a4-series.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB WPR26LA193](https://openairdocs.org/ntsb/WPR26LA193.md): Bellanca 7ACA · Pacific City, OR · Accident · No injuries · Class 4 · Limited · Final report · May 14, 2026 · N9158L · Substantial damage
  > The pilot’s loss of directional control during a precautionary landing following a partial reduction in engine rpm.
- [NTSB CEN23LA101](https://openairdocs.org/ntsb/CEN23LA101.md): Bellanca 7ACA · Bayport, MN · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 4, 2023 · N9111L · Substantial damage
  > The pilot’s poor inflight fuel monitoring that resulted in a total loss of engine power due to fuel starvation.
- [NTSB ERA17LA282](https://openairdocs.org/ntsb/ERA17LA282.md): Bellanca 7ACA · Fairhope, AL · Accident · Minor injuries · Limited investigation · Final report · Aug 18, 2017 · N9176L · Substantial damage
  > A total loss of engine power for reasons that could not be determined because postaccident examination and a test run of the engine did not reveal any evidence of mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB FTW94FA299](https://openairdocs.org/ntsb/FTW94FA299.md): Bellanca 7ACA · Lakeside, TX · Accident · 1 fatal · Field investigation · Final report · Sep 18, 1994 · N68529 · Substantial damage
  > The pilot's failure to maintain minimum required airspeed for flight. A factor was the loss of engine power for undetermined reasons.
- [NTSB SEA92LA220](https://openairdocs.org/ntsb/SEA92LA220.md): Bellanca 7ACA · Rosalia, WA · Accident · No injuries · Limited investigation · Final report · May 30, 1992 · N9159L · Substantial damage
  > Failure of the tailwheel spring bracket. A factor to the accident was: directional control was not maintained.
- [NTSB ANC90FA042](https://openairdocs.org/ntsb/ANC90FA042.md): Bellanca 7ACA · Wasilla, AK · Accident · 1 fatal · Field investigation · Final report · Mar 24, 1990 · N68596 · Substantial damage
  > The failure of the PIC to maintain sufficient airspeed to preclude a stall.
- [NTSB FTW87FA210](https://openairdocs.org/ntsb/FTW87FA210.md): Bellanca 7ACA · Graford, TX · Accident · 1 fatal · Field investigation · Final report · Sep 5, 1987 · N68529 · Substantial damage
  > The pilot departed possum kingdom airport and entered a crosswind turn. The pilot heard a loud 'pop' and could not move the aileron control to recover from the turn. The aircraft entered an uncontrolled descent and crashed into a lake. The aileron pulley for…
- [NTSB LAX86LA227](https://openairdocs.org/ntsb/LAX86LA227.md): Bellanca 7ACA · Lompoc, CA · Accident · Minor injuries · Limited investigation · Final report · May 21, 1986 · N9158L · Substantial damage
  > The bellance champion went out of control an collided with two other parked acft after a hand propped start. The plt indicated that the acft was tied down with two chains attached to each of the wings at one end and to a cable that stretched across the ramp…
- [NTSB NYC79DFA01](https://openairdocs.org/ntsb/NYC79DFA01.md): Bellanca 7ACA · Tupper Lake, NY · Accident · Minor injuries · Closed · Oct 16, 1978 · N9176L · Substantial damage
- [NTSB LAX77DUQ08](https://openairdocs.org/ntsb/LAX77DUQ08.md): Champion 7ACA · Pacoima, CA · Accident · No injuries · Closed · Nov 13, 1976 · N62965 · Substantial damage
- [NTSB NYC76DHA08](https://openairdocs.org/ntsb/NYC76DHA08.md): Bellanca 7AC · Zieglerville, PA · Accident · Minor injuries · Closed · Aug 20, 1975 · N9162L · Substantial damage
- [NTSB SEA75DYE38](https://openairdocs.org/ntsb/SEA75DYE38.md): Champion 7ACA · Puyallup, WA · Accident · Minor injuries · Closed · Apr 4, 1975 · N10986 · Destroyed
- [NTSB MIA75DKT70](https://openairdocs.org/ntsb/MIA75DKT70.md): Bellanca 7ACA · Delray Beach, FL · Accident · No injuries · Closed · Mar 30, 1975 · N9189L · Substantial damage
- [NTSB MKC75DTK14](https://openairdocs.org/ntsb/MKC75DTK14.md): Bellanca 7ACA · Madison, SD · Accident · No injuries · Closed · Mar 4, 1975 · N9156L · Substantial damage
- [NTSB OAK75DVG38](https://openairdocs.org/ntsb/OAK75DVG38.md): Champion 7AC · Manton, CA · Accident · No injuries · Closed · Nov 30, 1974 · N4995 · Substantial damage
- [NTSB FTW74FPA27](https://openairdocs.org/ntsb/FTW74FPA27.md): Bellanca 7ACA · Plano, TX · Accident · No injuries · Closed · Jun 7, 1974 · N9161L · Substantial damage
- [NTSB CHI74AC083](https://openairdocs.org/ntsb/CHI74AC083.md): Bellanca 7ACA · Rhinelander, WI · Accident · 1 fatal · Closed · Apr 9, 1974 · N68530 · Substantial damage
- [NTSB NYC74FHM10](https://openairdocs.org/ntsb/NYC74FHM10.md): Bellanca 7ACA · Hanover, NJ · Accident · Minor injuries · Closed · Nov 7, 1973 · N62965 · Substantial damage
- [NTSB MKC72DCG37](https://openairdocs.org/ntsb/MKC72DCG37.md): Bellanca 7ACA · Smithville, MO · Accident · No injuries · Closed · Feb 21, 1972 · N9157L · 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('27001')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/franklin-2a4-series/ntsb

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