# Accident 19990717009469A: Cessna T337G, Hyak, WA, July 17, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 17, 1999, 12:31 local time
- Place: Hyak, WA
- Damage: Destroyed
- Operating rules: General operating rules (Part 91)
- Location: 47.4191° N, 121.3706° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=47.4191&lon=-121.3706&mi=10
- Aircraft: N98C, a cancelled registration (https://openairdocs.org/deregistered/N98C-2017-06-30) (OpenAirDocs)
- Registry model: Cessna T337G (registry code 2075726, https://openairdocs.org/model/cessna-t337g) (OpenAirDocs)
- Registry engine: Continental IO-360 series (registry code 17025, https://openairdocs.org/engine/continental-io-360-series) (OpenAirDocs)
- Reported make and model: CESSNA T337G
- People aboard: 2
- Fatal injuries: 2
- NTSB investigation: [NTSB SEA99FA126](https://openairdocs.org/ntsb/SEA99FA126) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990717009469A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ACFT WAS MISSING AND WAS THE SUBJECT OF AN ALNOT SINCE IT'S DEPARTURE ON 7/17/99, THE WRECKAGE WAS LOCAED ON 7/24/99M, THE ACFT HAD CRASHED UNDER UNKNOWN CIRCUMSTANCES, THE 2 POB SUFFERED FATAL INJURIES, THE ACFT WAS DESTROYED.(-23)AIRPLANE CRASHED WHILE ENROUTE FROM MN TO AK. WRECKAGE LOCATED WEST OF SNOQUALMIE PASS, GRANITE MTN. SOME WITNESSES RELATED SEEING THE A/C FLYING LOW OVER I90 AND UNDER THE FOG BANK.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA99FA126](https://openairdocs.org/ntsb/SEA99FA126), Jul 17, 1999: Cessna T-337 G-P (N98C), Snoqualmie Pass, WA, destroyed, 2 fatal. 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.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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