BELL 407

San Antonio, TX — August 5, 2012

Event Information

DateAugust 5, 2012
Event TypeINC
NTSB NumberCEN12IA518
Event ID20120805X33417
LocationSan Antonio, TX
CountryUSA
Coordinates29.27333, -98.24250
AirportSan Antonio Military Medical
Highest InjuryNONE

Aircraft

MakeBELL
Model407
CategoryHELI
FAR Part135
Aircraft DamageMINR

Conditions

Light ConditionNITE
WeatherVMC

Injuries

Fatal0
Serious0
Minor0
None4
Total Injured0

Event Location

Probable Cause

The pilot’s failure to maintain clearance from a tower guy wire during the approach to a helipad at night.

Full Narrative

On August 5, 2012, at 0331 central daylight time, a Bell 407 helicopter, N429PH, sustained minor damage when it contacted a tower guy wire while it was on approach to the helipad at the San Antonio Military Medical Center (SAMMC), San Antonio, Texas. The pilot, flight nurse, flight paramedic, and patient were not injured. The emergency medical services EMS helicopter was registered to and operated by PHI, Inc., under the provisions of the 14 Code of Federal Regulations Part 135. Night visual meteorological conditions prevailed for the flight, which was on a company visual flight rules (VFR) flight plan. The flight departed from the College Station Medical Center, College Station, Texas, at 0302.

The operator reported that the helicopter was on a visual descent to the SAMMC helipad when the helicopter's left skid contacted a tower guy wire, located northeast of the helipad, which resulted in a portion of the left skid separating from the helicopter. The pilot declared an emergency and diverted to the San Antonio International Airport (SAT), San Antonio, Texas. The operator reported that there was no malfunction or system failure of the helicopter before the incident.

About This NTSB Record

This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.

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