# Accident 19980219001459A: Scwzer G164B, Stanwood, WA, February 19, 1998

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: February 19, 1998, 09:00 local time
- Place: Stanwood, WA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Operator: YTYG
- Location: 48.2093° N, 122.2796° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=48.2093&lon=-122.2796&mi=10
- Aircraft: N48493, a cancelled registration (https://openairdocs.org/deregistered/N48493-2014-01-27) (OpenAirDocs)
- Registry model: Grumman Acft ENG Cor-Schweizer G-164B (registry code 3952802, https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (OpenAirDocs)
- Registry engine: Pratt & Whitney R-985 series (registry code 52008, https://openairdocs.org/engine/pratt-whitney-r-985-series) (OpenAirDocs)
- Reported make and model: SCWZER G164B
- Reported engine: PWA R985*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 1,904 total, 1,148 in this make and model
- NTSB investigation: [NTSB SEA98LA038](https://openairdocs.org/ntsb/SEA98LA038) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19980219001459A

## Narrative

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

ENGINE QUIT ON SWATH RUN. NO ANOMALIES. CARABURETOR ICING CONDITIONS. DID NOT USE CAARBURETOR HEAT. NOSED OVER. (.4)THE PILOT REPORTED THAT WHILE ENGAGED IN AERIAL SPRAYING, APPROXIMATELY 30 MINUTES AFTER TAKEOFF AND 15 MINUTES AFTER BEGINNING TO SPRAY, HE NOTED A REDUCTION IN ENGINE POWER.  HE ADVANCED THE THROTTLE, AT WHICH POINT THE ENGINE 'SPUTTERED' AND 'POPPED' A FEW TIMES AND THEN QUIT.  THE PILOT PERFORMED A FORCED LANDING INTO A FIELD.  THE AIRPLANE ENCOUNTERED SOFT TERRAIN DURING THE FORCED LANDING ROLL AND FLIPPED OVER.  THE PILOT STATED HE DID NOT USE CARBURETOR HEAT AT THE TIME.  POST-ACCIDENT EXAMINATION OF THE ENGINE DID NOT REVEAL ANY ABNORMALITIES, AND THE OPERATOR SUCCESSFULLY TEST-RAN THE ENGINE FOLLOWING THE ACCIDENT.  TEMPERATURES OF 7 TO 9 DEGREES C AND DEWPOINT OF 6 DEGREES C WERE REPORTED AT TWO NEARBY WEATHER REPORTING STATIONS DURING THE ACCIDENT TIME FRAME.  THIS TEMPERATURE/DEWPOINT COMBINATION REPRESENTS A HAZARD OF 'SERIOUS [CARBURETOR] ICING AT CRUISE POWER', ACCORDING TO FAA DATA.                                                            (-23)DURING AGRICULTURAL AERIAL APPLICATION, ENGINE FAILURE OCCURED.  PILOT                                       LANDING IN FIELD. AIRCRAFT CAME TO REST INVERTED.  FUEL ON BOARD 1/2 FULL.  LAST POWER ADJUSTMENT 15 MINUTES PRIOR.  ACCIDENT ENGINE RUN INDICATED ENGINE OPERATING NORMALLY.  LOCAL WEATHER OBSERVATION (AWOS) INDICATED 1C TEMPERATURE/DEW POINT SPREAD.  CARB HEAT WAS NOT BEING USED.

## 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 SEA98LA038](https://openairdocs.org/ntsb/SEA98LA038), Feb 19, 1998: Grumman-Schweizer G-164B (N48493), Stanwood, WA, substantial damage. Probable cause: The pilot's failure to apply carburetor heat. Factors included carburetor icing conditions and soft terrain in the forced landing area.

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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