# Accident 19940519011752A: Robsin R22BETA, Stockton, CA, May 19, 1994

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 19, 1994, 07:20 local time
- Place: Stockton, CA
- Airport: Private
- Damage: Substantial damage
- Collision: Midair collision, second aircraft
- Phase of flight: Idling Rotors
- Operating rules: General operating rules (Part 91)
- Location: 37.8994° N, 121.4005° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=37.8994&lon=-121.4005&mi=10
- Aircraft: N140PH, a cancelled registration (https://openairdocs.org/deregistered/N140PH-1998-11-05) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Reported make and model: ROBSIN R22BETA
- Reported engine: LYC O320B2C
- Fatal injuries: 0
- Pilot flight hours: 1,165 total, 1,162 in this make and model, 100 in the last 90 days
- NTSB investigation: [NTSB LAX94LA220](https://openairdocs.org/ntsb/LAX94LA220) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19940519011752A

## Narrative

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

DRYING CHERRY TREES. LANDED REFUEL. SISTER PLANE LANDED AT RIGHT SIDE. ROTORS MESHED WITH EACH OTHER.

## Other aircraft in the event

- N2314Z, Robsin R22BETA: [Accident 19940519011751A](https://openairdocs.org/incident/19940519011751A)

## 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 LAX94LA220](https://openairdocs.org/ntsb/LAX94LA220), May 19, 1994: Robinson R22-B (N140PH), Stockton, CA, substantial damage. Probable cause: A FAILURE OF THE PILOT-IN-COMMAND OF A LANDING HELICOPTER TO MAINTAIN SUFFICIENT CLEARANCE FROM A SECOND HELICOPTER.

## Other reports on N140PH (1)

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

- [Incident 19930824035099I](https://openairdocs.org/incident/19930824035099I), Aug 24, 1993: Robsin R22BETA (N140PH), Livermore, CA, Minor damage. Student experienced a hard landing. Instructor took control and attempted to recover.

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.
