# Accident 19760607013819A: Ayres S2R, Riverdale, CA, June 7, 1976

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 7, 1976
- Place: Riverdale, CA
- Airport: Riverdale
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Location: 36.4304° N, 119.8672° W: Placed by OpenAirDocs: center of Riverdale, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.4304&lon=-119.8672&mi=10
- Aircraft: N5523X, a cancelled registration (https://openairdocs.org/deregistered/N5523X-2013-04-22) (OpenAirDocs)
- Registry model: Rockwell International S-2R (registry code 7630202, https://openairdocs.org/model/rockwell-international-s-2r) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: AYRES S2R
- Fatal injuries: 0
- Pilot flight hours: 1,350 total, 250 in this make and model, 200 in the last 90 days
- NTSB investigation: [NTSB OAK76DVA76](https://openairdocs.org/ntsb/OAK76DVA76) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19760607013819A

## Narrative

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

OPERATION WAS SPRAYING ZINC SULPHATE ON FALLOW GROUND.

## 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 OAK76DVA76](https://openairdocs.org/ntsb/OAK76DVA76), Jun 7, 1976: Aero Comdr 600S2C (N5523X), Riverdale, CA, substantial damage

## Other reports on N5523X (1)

Matched to the same aircraft by N-number and date.

- [Accident 19830806048219A](https://openairdocs.org/incident/19830806048219A), Aug 6, 1983: Ayres S2RRESTD (N5523X), Brentwood, CA, Destroyed. Pilot claims brake locked during landing roll causing aircraft to nose over and start fire.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.