# NTSB Accident SEA08CA129
> **Schleicher ASK-21** · 2008-05-10 · Tehachapi, CA, USA · NONE
## Event
- **NTSB number:** SEA08CA129
- **Event ID:** 20080603X00777
- **Type:** Accident
- **Date:** 2008-05-10
- **Location:** Tehachapi, CA, USA
- **Coordinates:** 35.101387, -118.427223
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Schleicher
- **Model:** ASK-21
- **Registration:** N361KS
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's inadequate preflight procedures and failure to check the spoiler control position, which resulted in the inadvertent deployment of the spoilers during takeoff. A contributing factor was the pilot's misinterpretation of the tow pilot's instructions.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA08CA129) · AI Analytics · CC0 1.0*