# NTSB Accident MIA92LA153
> **BURKHART GROB G103** · 1992-07-25 · KNOXVILLE, TN, USA · SERS
## Event
- **NTSB number:** MIA92LA153
- **Event ID:** 20001211X15233
- **Type:** Accident
- **Date:** 1992-07-25
- **Location:** KNOXVILLE, TN, USA
- **Coordinates:** 35.980953, -83.800048
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** BURKHART GROB
- **Model:** G103
- **Registration:** N2135R
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT-IN-COMMAND'S FAILURE TO PROPERLY INSTRUCT THE PASSENGER ON AIRCRAFT CONTROLS PRIOR TO TAKEOFF, RESULTING IN THE PASSENGER INADVERTENTLY RELEASING THE TOW CABLE AS THE GLIDER WAS BEING TOWED THROUGH 150 FEET.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA92LA153) · AI Analytics · CC0 1.0*