# NTSB Accident SEA91LA242
> **AERONCA 7DC** · 1991-09-17 · YELLOW PINE, ID, USA · SERS
## Event
- **NTSB number:** SEA91LA242
- **Event ID:** 20001212X18203
- **Type:** Accident
- **Date:** 1991-09-17
- **Location:** YELLOW PINE, ID, USA
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** AERONCA
- **Model:** 7DC
- **Registration:** N9654H
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER INFLIGHT PLANNING/DECISION BY THE PILOT, WHICH RESULTED IN INADVERTENT FLIGHT INTO A BOX CANYON AND SUBSEQUENT COLLISION WITH TREES, WHEN THERE WAS INSUFFICIENT SPACE TO REVERSE COURSE AND THE AIRCRAFT WOULD NOT OUTCLIMB RISING TERRAIN.  THE TERRAIN CONDITIONS AND HIGH DENSITY ALTITUDE WERE RELATED FACTORS.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA91LA242) · AI Analytics · CC0 1.0*