HUGHES OH-6A near Atlanta, GA — 2012-11-04
- Date
- 2012-11-04
- Location
- Atlanta, GA, USA
- Aircraft
- HUGHES OH-6A
- Registration
- N368PD
- Category
- Helicopter
- Highest injury
- Fatal
- Fatalities
- 2
- Phase of flight
- Maneuvering
Probable cause
The pilot's failure to maintain sufficient altitude during maneuvering flight, which resulted in his failure to see and avoid a power pole and wires.
NTSB narrative
The night, public flight was being operated to support ground-based police personnel in locating a missing child. Witnesses reported observing the helicopter at a very low altitude with the search light on maneuvering near the intersection of two city streets. Witness statements indicated that, as the helicopter neared the intersection, the landing gear skids collided with wires at the top a 42-foot power pole. The helicopter then flipped over and crashed into the street. Recorded radar data were consistent with the witness statements. An examination of the airframe did not reveal evidence of malfunctions or failures that would have precluded normal operation. Rotational scoring found on the internal engine components indicates that the engine had power at impact. No distress calls were received from the flight crew before the crash. Most of the pilot's peers described him as "meticulous," "capable," and "competent"; however, one pilot stated that the accident pilot had a tendency to "fly low."
Analysis
- Primary failure mode
- Loss of control
- First missed decision gate
- Maintain altitude above 500 feet as per unit SOP until cleared by ground unit.
NTSB coding
Evidence available
- Video
- ADS-B / radar
- Photos
- 30 docket documents
Docket documents30
- ATC - Radar Data - Rawatc
- ATC - Radar Plot - Fig 1atc
- ATC - Radar Plot - Fig 2atc
- ATC - Radar Plot - Fig 3atc
- NTSB Records of Conversation - Witness Interviewsinterview
- Statements of Party Representatives to NTSB Investigationinterview
- Written Witness Statementsinterview
- Accident Site Mapother
- Excerpt - Atlanta PD SOP'sother
- Excerpts - Maintenance Logbooksother
- Excerpts - Pilot Logbook (Halford)other
- NTSB Records of Conversation - APD Aviation Unit Personnelother
- Recent Checkride Record - Halfordother
- Photo 10: Engine, After Recovery (NTSB Digital Photo)photos
- Photo 11: Landing Gear, After Recovery (NTSB Digital Photo)photos
- Photo 12: Damaged Power Cables, After Removal from Utility Pole (NTSB Digital Photo)photos
- Photo 1: Main Wreckage in Roadway (NTSB Digital Photo)photos
- Photo 2: Main Wreckage in Roadway (NTSB Digital Photo)photos
- Photo 3: Engine and Exhaust (NTSB Digital Photo)photos
- Photo 4: Main Rotor Hub (NTSB Digital Photo)photos
- Photo 5: Tail Boom and Tail Rotor, in Roadway (NTSB Digital Photo)photos
- Photo 6: Top of Utility Pole with Section of Damaged Landing Gear (NTSB Digital Photo)photos
- Photo 7: Top of Utility Pole with Section of Damaged Landing Gear (NTSB Digital Photo)photos
- Photo 8: Main Wreckage, Viewed from Above (NTSB Digital Photo)photos
- Photo 9: Main Wreckage, During Recovery from Roadway (NTSB Digital Photo)photos
- Engine and Controls Examination Reportreport
- Toxicological Report - Halfordreport
- Toxicological Report - Smileyreport
- NTSB Memorandums of Record - Video Witness Interviewsvideo
- Wreckage Diagramwreckage
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