# NTSB Accident ANC98FA145
> **de Havilland DHC-2** · 1998-09-09 · PORT ALSWORTH, AK, USA · FATL
## Event
- **NTSB number:** ANC98FA145
- **Event ID:** 20001211X10967
- **Type:** Accident
- **Date:** 1998-09-09
- **Location:** PORT ALSWORTH, AK, USA
- **Coordinates:** 60.200927, -154.280364
## Injuries
- **Highest injury:** FATL
- **Fatal:** 5
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 5
## Aircraft
- **Make:** de Havilland
- **Model:** DHC-2
- **Registration:** N1433Z
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. Factors associated with this accident were the pilot's unfamiliarity with the geographic area, the low clouds, his becoming disoriented, and the blind canyon into which he flew. An additional factor was the intentionally disabled stall warning system.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC98FA145) · AI Analytics · CC0 1.0*