# Incident 19980427014769I: Robsin R22BETA, Franklin, WI, April 27, 1998

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: April 27, 1998, 15:20 local time
- Place: Franklin, WI
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 42.8808° N, 88.0008° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.8808&lon=-88.0008&mi=10
- Aircraft: N8331F (not matched to a registry record)
- Reported make and model: ROBSIN R22BETA
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 945 total, 945 in this make and model, 200 in the last 90 days
- NTSB investigation: [NTSB CHI98IA136](https://openairdocs.org/ntsb/CHI98IA136) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19980427014769I

## Narrative

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

VIBRATIONS INFLIGHT TAILROTOR FAILED. LANDED SAFELY. TAIL ROTOR BOLT BROKE.

## 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 CHI98IA136](https://openairdocs.org/ntsb/CHI98IA136), Apr 27, 1998: Robinson R22 Beta (N8331F), Franklin, WI, incident, minor damage. Probable cause: The mechanic's failure to follow the manufacturer's maintenance rebuilding instructions.

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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