# NTSB Accident LAX97LA068
> **Robinson R22 BETA** · 1996-12-15 · LAKEPORT, CA, USA · MINR
## Event
- **NTSB number:** LAX97LA068
- **Event ID:** 20001208X07189
- **Type:** Accident
- **Date:** 1996-12-15
- **Location:** LAKEPORT, CA, USA
- **Coordinates:** 39.0396, -122.930831
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R22 BETA
- **Registration:** N8311A
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

inadequate supervision by the flight instructor (CFI), and his delayed corrective action to the student pilot's abrupt control inputs, thereby allowing the main rotor blades to strike the ground.  Factors relating to the accident were: the CFI's lack of instructing experience and the presence of upsloping terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX97LA068) · AI Analytics · CC0 1.0*