# NTSB Accident SEA07LA155
> **Quad City Ultralight Aircraft Challenger II** · 2007-06-12 · Lodi, CA, USA · NONE
## Event
- **NTSB number:** SEA07LA155
- **Event ID:** 20070621X00770
- **Type:** Accident
- **Date:** 2007-06-12
- **Location:** Lodi, CA, USA
- **Coordinates:** 38.202499, -121.268333
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Quad City Ultralight Aircraft
- **Model:** Challenger II
- **Registration:** N204DC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The improper assembly of the rony bracket which attached the right wing forward lift strut to the fuselage, the subsequent failure of that bracket, and separation of the right wing from the aircraft.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA07LA155) · AI Analytics · CC0 1.0*