# Accident 19770318007659A: Wthrly 201B, Stockton, CA, March 18, 1977

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 18, 1977
- Place: Stockton, CA
- Airport: Stockton Metro
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Location: 37.8944° N, 121.2387° W: Placed by OpenAirDocs at STOCKTON METRO (SCK), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.8944&lon=-121.2387&mi=10
- Aircraft: N1256W, a cancelled registration (https://openairdocs.org/deregistered/N1256W-2004-11-29) (OpenAirDocs)
- Registry model: Weatherly 201B (registry code 9630408, https://openairdocs.org/model/weatherly-201b) (OpenAirDocs)
- Registry engine: Pratt & Whitney R-985 series (registry code 52008, https://openairdocs.org/engine/pratt-whitney-r-985-series) (OpenAirDocs)
- Reported make and model: WTHRLY 201B
- Fatal injuries: 0
- Pilot flight hours: 20,000 total, 500 in this make and model, 50 in the last 90 days
- NTSB investigation: [NTSB OAK77DVD22](https://openairdocs.org/ntsb/OAK77DVD22) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19770318007659A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

#1 REAR CYL SPARK PLUG INSULATOR FOUND CRACKED & LODGED BETWEEN CENTER ELECTRODE & BASE.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB OAK77DVD22](https://openairdocs.org/ntsb/OAK77DVD22), Mar 18, 1977: Weatherly 201B (N1256W), Stockton, CA, substantial damage

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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