# Accident 20100422032509A: Grumman Acf G-164B, Buckeye, AZ, April 22, 2010

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 22, 2010, 09:30 local time
- Place: Buckeye, AZ
- Airport: Burger Strip
- Damage: Substantial damage
- Phase of flight: Takeoff: Departure Roll
- Operating rules: Agricultural (Part 137)
- Operator: 7CAG
- Location: 33.2756° N, 112.5047° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=33.2756&lon=-112.5047&mi=10
- Aircraft: N48455, registered now (https://openairdocs.org/aircraft/N48455) (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: GRUMMAN ACF G-164B
- Reported engine: P&W R-1340 SERIES
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Airline transport
- Pilot flight hours: 13,500 total, 835 in this make and model, 93 in the last 90 days
- NTSB investigation: [NTSB WPR10LA212](https://openairdocs.org/ntsb/WPR10LA212) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20100422032509A

## Narrative

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

PILOT STATES HE WAS TAKING OFF WITH A LOAD OF PROW WEEK KILLER AND APPROXIMATELY ½ TANK OF FUEL. THE AIRCRAFT HOPPER HAD BEEN LOADED AT THE SOUTH END OF THE RUNWAY AND HE THEN PROCEEDED TO TAXI TO THE NORTH END OF THE RUNWAY FOR TAKE OFF. WIND WAS APPROXIMATELY 4 TO 5 KNOTS OUT OF THE SOUTHWEST. AFTER PERFORMING A RUN UP HE APPLIED POWER AND TOOK OFF TO THE SOUTH. THE ENGINE POWER BUILT TO NORMAL TAKE OFF RPM. AT APPROXIMATELY HALF WAY DOWN THE RUNWAY THE PILOT HEARD A PITCH CHANGE TO THE ENGINE. HE WAS MONITORING THE ENGINE INSTRUMENTS AND NOTICED A DROP OF MANIFOLD PRESSURE FROM 36.5 INCHES TO 35 INCHES, AND THE PROP RPM DROPPED FROM 2250 TO 2080 RPM. THE PILOT VERIFIED THE PROP LEVER WAS FULL FORWARD AND THEN NOTED AN ADDITIONAL DROP OF RPM TO 2040. AT THIS TIME THE AIRCRAFT AIRSPEED CEASED TO ACCELERATE. WITH LESS THAN 500 FEET LEFT OF THE RUNWAY THE PILOT ELECTED TO NOT DUMP THE LOAD AND ATTEMPTED TO GET THE AIRCRAFT AIRBORNE TO CLEAR THE 4 STRAND BARBED WIRE FENCE AT THE END OF THE RUNWAY. HE STEERED THE AIRCRAFT THRU AN OPEN GATE AT THE SOUTHEAST END OF THE RUNWAY. THE AIRCRAFT CONTACTED FENCE POSTS AND THEN CART WHEELED AND CAME TO A REST FACING BACK TOWARDS THE RUNWAY ON ITS BACK.  THE PILOT WAS ABLE TO SHUT DOWN THE ENGINE AND SECURE THE COCKPIT. HE THEN RELEASED HIS BELT AND WORKED HIS WAY OUT FROM UNDER THE AIRCRAFT. HE WAS MET BY HIS LOADING CREW WHO WERE ABLE TO SPRAY HIM DOWN WITH WATER TO DECONTAMINATE HIM. THE AIRCRAFT WAS SUBSTANTIALLY DAMAGED, AND THE PILOT HAD MULTIPLE BRUISES, BUT REFUSED MEDICAL TREATMENT AT THE SCENE.THE AIRCRAFT ENGINE IS TO BE TORN DOWN TO ESTABLISH WHETHER THERE WAS A MECHANICAL FAILURE. THE ENGINE TEARDOWN IS SCHEDULED TO BE DONE WITHIN A MONTH.

## 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 WPR10LA212](https://openairdocs.org/ntsb/WPR10LA212), Apr 22, 2010: Grumman Acft ENG Cor-Schweizer G-164B (N48455), Buckeye, AZ, substantial damage. Probable cause: A partial loss of engine power during the takeoff roll for undetermined reasons.

## Other reports on N48455 (3)

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

- [Accident 19930222003189A](https://openairdocs.org/incident/19930222003189A), Feb 22, 1993: Scwzer G164B (N48455), Indian Village, LA, Substantial damage. Landed 75 feet short of paved runway on mowed grass overrun. Grass piled up in front of wheels causing a nose over.
- [Incident 19910426012869I](https://openairdocs.org/incident/19910426012869I), Apr 26, 1991: Scwzer G164B (N48455), Iowa, LA, Minor damage. Struck a parked aircraft while on final, trying to avoid truck that pulled in path. Discontinued approach.
- [Accident 19900413009119A](https://openairdocs.org/incident/19900413009119A), Apr 13, 1990: Scwzer G164B (N48455), Reeves, LA, Substantial damage. Cylinder valve rocker arm seized knocking off valve cover. Flipped over, hard landing in rice field.

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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