# NTSB Accident CHI07LA170
> **American Aviation Corp. (AAC) AA-1** · 2007-06-17 · Lansing, IL, USA · SERS
## Event
- **NTSB number:** CHI07LA170
- **Event ID:** 20070711X00908
- **Type:** Accident
- **Date:** 2007-06-17
- **Location:** Lansing, IL, USA
- **Coordinates:** 41.534999, -87.529441
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** American Aviation Corp. (AAC)
- **Model:** AA-1
- **Registration:** N5651L
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

The loss of engine power during takeoff-initial climb due to a bent exhaust valve and fouled spark plugs.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI07LA170) · AI Analytics · CC0 1.0*