# NTSB Accident SEA99FA126
> **Cessna T-337 G-P** · 1999-07-17 · SNOQUALMIE PASS, WA, USA · FATL
## Event
- **NTSB number:** SEA99FA126
- **Event ID:** 20001212X19360
- **Type:** Accident
- **Date:** 1999-07-17
- **Location:** SNOQUALMIE PASS, WA, USA
- **Coordinates:** 47.419097, -121.37062
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Cessna
- **Model:** T-337 G-P
- **Registration:** N98C
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

The pilot's failure to maintain clearance from mountainous terrain while maneuvering below low ceilings.  Factors include low ceilings and inadequate in-flight planning.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA99FA126) · AI Analytics · CC0 1.0*