# Accident 20060515010099A: Scwzer G164B, Tracy, CA, May 15, 2006

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 15, 2006, 06:12 local time
- Place: Tracy, CA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Operator: MBNG
- Location: 37.0000° N, 121.0000° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=37.0000&lon=-121.0000&mi=10
- Aircraft: N8981H, a cancelled registration (https://openairdocs.org/deregistered/N8981H-2013-09-11) (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 R1340*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 1,750 total, 825 in this make and model, 40 in the last 90 days
- NTSB investigation: [NTSB LAX06LA169](https://openairdocs.org/ntsb/LAX06LA169) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20060515010099A

## Narrative

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

(-23) PILOT DEPARTED PRIVATE LANDING STRIP (TRINKLE AG FLYING, INC) LOCATED AT 25001 KASSON ROAD, TRACY, CA, AT APPROX. 0600 HOURS HEADING NORTHWEST, FIRST FLIGHT, FULL LOAD OF LIQUID FERTILIZER, 75 GALS. OF FUEL. APPROXIMATELY ONE MILE FROM THE AIRSTRIP AT APPROX. 150 FEET AGL, THE PILOT NOTICED A CHANGE IN THE SOUND OF THE ENGINE WHILE STILL CLIMBING OUT. MANIFOLD PRESSURE WAS SLIGHTLY HIGHER THAN IT SHOULD HAVE BEEN (2" HG). THE AIRCRAFT WAS NOW FAILING TO CLIMB AND THE PILOT ASSUMED A LEVEL PITCH ATTITUDE. FEARING A COLLISION WITH HIGH VOLTAGE TRANSMISSION TOWERS IN THE AIRCRAFT FLIGHT PATH, THE PILOT INITIATED A SLIGHT LEFT BANK TURN, (APPROX. 2-5 DEGREES), LEVELED OFF OUT OF THE PATH OF ANY OBSTACLES AND THE AIRCRAFT BEGAN LOSING ALTITUDE. AT THIS TIME THE PILOT INCREASED MANIFOLD PRESSURE TO 37" HG, AIRCRAFT WAS UNRESPONSIVE, FAILING TO CLIMB OR HOLD ALTITUDE. AT APPROX. 50-75 FEET AGL THE PILOT ATTEMPTED TO INITIATE AN EMERGENCY DUMP OF THE LOAD AND BEFORE HE COULD SUCCESSFULLY DISCHARGE THE LOAD, THE AIRCRAFT IMPACTED THE TERRAIN (BEAN FIELD) COMING TO REST INVERTED.

## 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 LAX06LA169](https://openairdocs.org/ntsb/LAX06LA169), May 15, 2006: Grumman G-164B (N8981H), Tracy, CA, substantial damage. Probable cause: loss of power for undetermined reasons.

## Other reports on N8981H (1)

Matched to the same aircraft by N-number and date.

- [Accident 20000922015559A](https://openairdocs.org/incident/20000922015559A), Sep 22, 2000: Scwzer G164B (N8981H), Tracy, CA, No damage. (-23) Making his second to last pass during agricultural aerial application, the pilot pulled up out of the field. He rolled to the left then started to roll…

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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