# NTSB Accident ERA11CA350
> **EIRIAVION OY PIK 20B** · 2011-06-16 · Sterling, MA, USA · NONE
## Event
- **NTSB number:** ERA11CA350
- **Event ID:** 20110619X44233
- **Type:** Accident
- **Date:** 2011-06-16
- **Location:** Sterling, MA, USA
- **Coordinates:** 42.422222, -71.788887
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** EIRIAVION OY
- **Model:** PIK 20B
- **Registration:** N99136
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's misjudgment of the amount of flaps required to attain the proper touchdown point. Contributing to the accident was the pilot's limited experience in the high performance glider.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA11CA350) · AI Analytics · CC0 1.0*