# NTSB Accident DEN06CA081
> **Grumman G-164B** · 2006-06-01 · Dighton, KS, USA · MINR
## Event
- **NTSB number:** DEN06CA081
- **Event ID:** 20060705X00861
- **Type:** Accident
- **Date:** 2006-06-01
- **Location:** Dighton, KS, USA
- **Coordinates:** 38.479297, -100.459259
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Grumman
- **Model:** G-164B
- **Registration:** N14RY
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The broken rocker arm boss causing the number 1 cylinder exhaust valve to stay closed and subsequently the engine failed.  A factor contributing to the accident was the soft field the airplane set down in.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN06CA081) · AI Analytics · CC0 1.0*