Tuesday, March 15, 2016

Grumman-Schweizer G-164B, N6654K: Accident occurred March 14, 2016 in Myakka, Manatee County, Florida

SOUTHERN AIR SERVICES LLC: http://registry.faa.gov/N6654K

FAA Flight Standards District Office: FAA Miami FSDO-19

NTSB Identification: ERA16LA130
14 CFR Part 91: General Aviation
Accident occurred Monday, March 14, 2016 in Myakka, FL
Aircraft: GRUMMAN ACFT ENG COR-SCHWEIZER G-164, registration: N6654K
Injuries: 1 Uninjured.

This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed. NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

On March 14, 2016, about 1000 eastern daylight time, a Grumman G-164B, N6654K, experienced a total loss of engine power and performed a forced landing to an agricultural field near Myakka, Florida. The commercial pilot was not injured. Visual meteorological conditions prevailed and no flight plan was filed for the aerial application flight, which departed a private grass strip in the vicinity of the agricultural field around 1000. The airplane was owned and operated by Southern Air Services, LLC and the maintenance test flight was conducted under the provisions of Title 14 Code of Federal Regulations Part 91.

According to the pilot, the purpose of the flight was to perform a "short" post maintenance flight to verify that the spray system was operating without anomaly. He performed a preflight inspection of the airplane and noted that it was "good to go." He started the airplane, and noted that during the takeoff that all the "gauges were in the green." Then, during the initial climb, the pilot adjusted the throttle and propeller controls, and the engine began to run "rough." Soon after, the engine lost total power and the pilot elected to land the airplane straight ahead in the field. The airplane touched down in the field, nosed over, and came to rest inverted.

A postaccident examination of the engine revealed that the engine remained attached to the airframe. In addition, engine continuity was confirmed and all cylinders remained attached to the engine. The supercharger exhibited rotational scoring and sand was located inside the housing. In addition, the carburetor was impact separated and damaged.

The wings, fuselage, vertical stabilizer, and rudder were substantially damaged. The leading edge of the wings exhibited crush damage and the rudder was bent to the left. A fuel sample was taken from the airplane and no debris or water was noted.

AIRCRAFT:   GRUMMAN AG CAT G-164B N6654K,  s/n: 409B

ENGINE: Pratt & Whitney PW R-1340-ANI,   s/n:  10155

PROPELLER:  Hamilton Standard AG-100-45,   s/n: 12D40

APPROXIMATE TOTAL HOURS (estimated Times from logbooks or other information):

ENGINE:     TT:  unknown; Engine overhauled in 2006. TSMOH at last annual inspection on 02/01/2016 751.4 hrs.  Current TSMOH approximately 810.

AIRFRAME:  TT: Total Time at last annual inspection on 02/01/2016 was 9132.5 hours.  Current total time 9191.0


DESCRIPTION OF ACCIDENT: The aircraft suffered loss of power shortly after takeoff. The pilot landed perpendicular to furrows and the aircraft flipped over.

DESCRIPTION OF DAMAGES:  The main gear tore off the aircraft.  There was a prop strike and sudden stoppage to the engine.  There is substantial damage to the aircraft - see photos     

LOCATION OF AIRCRAFT:   Quality Aircraft in Groveland, FL.

REMARKS:  The aircraft was disassembled for transport.

Read more here:  http://www.avclaims.com/N6654K.htm

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