# Accident 19910318006639A: Orlhel H19DSKRSKY, Orland, CA, March 18, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 18, 1991, 16:30 local time
- Place: Orland, CA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Operator: NIEG
- Location: 39.4791° N, 121.8399° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.4791&lon=-121.8399&mi=10
- Aircraft: N9894, registered now (https://openairdocs.org/aircraft/N9894) (OpenAirDocs)
- Registry model: Sikorsky H-19D (registry code 8141610, https://openairdocs.org/model/sikorsky-h-19d) (OpenAirDocs)
- Reported make and model: ORLHEL H19DSKRSKY
- Reported engine: WRIGHT R13001A
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 1,756 total, 1,276 in this make and model, 141 in the last 90 days
- NTSB investigation: [NTSB LAX91LA137](https://openairdocs.org/ntsb/LAX91LA137) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910318006639A

## Narrative

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

IMPACTED TREES ON FORCED LANDING DURING A SPRAY RUN. INTAKE VALVE KEEPER FAILED ALLOWED INTAKE VALVE REMAIN OPEN.

## 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 LAX91LA137](https://openairdocs.org/ntsb/LAX91LA137), Mar 19, 1991: Sikorsky H-19/S55 (N9894), Richvale, CA, substantial damage. Probable cause: THE FAILURE OF THE ENGINE'S NUMBER 4 CYLINDER INTAKE VALVE KEEPER. TREES UNDER THE HELICOPTER AT THE TIME OF THE LOSS OF ENGINE POWER WERE FACTORS IN THE ACCIDENT.

## Other reports on N9894 (2)

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

- [Incident 19800403047439I](https://openairdocs.org/incident/19800403047439I), Apr 3, 1980: Orlhel H19ASKRSKY (N9894), Marysville, CA, Substantial damage. Pilot got out of idling helicopter. The craft rolled forward and down a drop-off.
- [Accident 19790307004229A](https://openairdocs.org/incident/19790307004229A), Mar 7, 1979: Skrsky S55 (N9894), Vina, CA, Destroyed. Main rotor drive train failed just after lift off. Helicopter made hard landing. Bounced and rolled over.

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.