# Accident 19900523017159A: Hughes 269C, Rialto, CA, May 23, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 23, 1990, 11:10 local time
- Place: Rialto, CA
- Airport: Rialto Municipal/Miro Field Airport
- Damage: Substantial damage
- Phase of flight: Pwr On Vertical Ldng/Rtrcrft
- Operating rules: General operating rules (Part 91)
- Location: 34.0997° N, 117.3806° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=34.0997&lon=-117.3806&mi=10
- Aircraft: N7441F, a cancelled registration (https://openairdocs.org/deregistered/N7441F-2018-06-08) (OpenAirDocs)
- Registry model: Hughes 269C (registry code 4470504, https://openairdocs.org/model/hughes-269c) (OpenAirDocs)
- Registry engine: Lycoming HO-360 series (registry code 41513, https://openairdocs.org/engine/lycoming-ho-360-series) (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Reported engine: LYC HIO360D1A
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 6,200 total, 184 in this make and model, 120 in the last 90 days
- NTSB investigation: [NTSB LAX90LA187](https://openairdocs.org/ntsb/LAX90LA187) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900523017159A

## Narrative

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

LANDING GEAR DAMPERS WERE UNDERCHARGED. PILOT LANDED ONE SKID FIRST. SHOCK SET OFF GROUND RESONANCE. DISINTEGRATED.

## 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 LAX90LA187](https://openairdocs.org/ntsb/LAX90LA187), May 23, 1990: Hughes 269C (N7441F), Rialto, CA, substantial damage. Probable cause: IMPROPER MAINTENANCE PROCEDURE BY MAINTENANCE PERSONNEL TO TROUBLESHOOT A REPORTED DEFICIENCY AND THE PILOT'S DECISION TO DEMONSTRATE THE VIBRATION, EXCEEDING THE DESIGN LIMITS OF THE HELICOPTER AND…

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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