Rockwell S-2R N8499V

Summary

On 5 July 2008 at about 15:30 local time, a Rockwell S-2R registered N8499V, operated by Double R Flight Service Inc, was involved in an accident near Colquitt, Georgia, United States. One person was on board and one had minor injuries. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

5 July 2008 at 15:30

Classification

Accident

Location

Colquitt, Georgia, United States

Coordinates

31.1958, -84.6844

Aircraft

Rockwell S-2R

Registration

N8499V

Category

Airplane

Engines

1

Operator

Double R Flight Service Inc

Operating rule

Part 137: Agricultural

Purpose of flight

Aerial Application

Phase of flight

Not recorded

Route

Colquitt → Unknown

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

MIA08LA133

1 person had minor injuries.

Loss of engine power due to the installation of incorrect turbine blades on the compressor turbine disk during repair of the disk assembly.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

Shortly after takeoff during an agricultural application flight, approximately 834 hours since the turbine blades were installed, the engine experienced a loss of power resulting in a forced landing. Unable to dump his chemical load due to cars on a highway, the pilot executed a forced landing in a field resulting in substantial damage to both wings. Examination of the engine revealed that during repair of the compressor turbine disk in 2005, incorrect part number Federal Aviation Administration (FAA) Parts Manufacturer Approval (PMA) turbine blades were installed in all positions of the compressor turbine disk of the accident engine. The engine was approved for return to service. One of the turbine blades failed due to fatigue causing the remaining blades to fracture due to overstress.

Quoted verbatim from the NTSB record.