# Accident 19970725019709A: Robsin R22BETA, Chandler, AZ, July 25, 1997

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 25, 1997, 15:30 local time
- Place: Chandler, AZ
- Airport: Memorial Airfield Airport
- Damage: Destroyed
- Phase of flight: Settle With Power (Rotorcraft)
- Operating rules: General operating rules (Part 91)
- Location: 33.2405° N, 111.7800° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.2405&lon=-111.7800&mi=10
- Aircraft: N4008D, a cancelled registration (https://openairdocs.org/deregistered/N4008D-2019-05-16) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: ROBSIN R22BETA
- Reported engine: LYC O320B2C
- Fatal injuries: 0
- Pilot flight hours: 1,033 total, 471 in this make and model, 308 in the last 90 days
- NTSB investigation: [NTSB LAX97LA260](https://openairdocs.org/ntsb/LAX97LA260) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19970725019709A

## Narrative

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

INDICATES HELICOPTER ENTERED SETTLING WITH POWER DUE TURBULENCE AND CONTROL INPUTS. NO MECHANICAL DEFECTS FOUND.

## 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 LAX97LA260](https://openairdocs.org/ntsb/LAX97LA260), Jul 25, 1997: Robinson R22 Beta (N4008D), Chandler, AZ, destroyed. Probable cause: The CFI's failure to recognize and correct for a vortex ring state, and his improper use of the flight controls, which resulted in the loss of control and uncontrolled descent.

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.