NTSB Identification: MIA97GA059.
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Accident occurred Tuesday, January 07, 1997 in GUAVIARE, Colombia
Probable Cause Approval Date: 04/10/1998
Aircraft: AYRES S2RHG-T65, registration: N3100U
Injuries: 1 Fatal.

: NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this public aircraft accident report.

The flight was on a drug eradication mission involving 2 flights of 2 aircraft. The navigation equipment data card aboard the airplane revealed that the airplane had descended and leveled off at 630 feet mean sea level at a speed of 202 mph. The airplane was at 633 feet msl and at a speed of 198 mph when aerial application ceased. The next three data points (at a 2 second sampling rate) showed that the airplane had descended to 617 feet msl and the speed was 197 mph. Initial impact was with a tree in excess of 100 feet in height. The elevation at the crash was estimated to be about 400 to 500 feet MSL. The tree line observation was about 600 feet MSL. There was no evidence of the aircraft having been struck by any type of weapons fire.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

the pilot's failure to maintain adequate altitude/clearance while maneuvering at a low altitude.

Full narrative available

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