Aircraft Accident/Incident Report

Sunland Park, New Mexico 88063
Saturday, June 13, 1992 13:06 MDT

NTSB Narrative Summary Released at Completion of Accident

THE AIRCRAFT WAS BEING FLOWN ON A U. S. BORDER PATROL SURVEILLANCE MISSION WHEN IT STRUCK TWO STATIC LINES OF A POWER TRANSMISSION SYSTEM. THE 125 FOOT HIGH LINES WERE STRUNG ACROSS A DRAW AND SUPPORTED BY TOWERS LOCATED ON MOUNTAINS ON EITHER SIDE OF THE DRAW. THE AIRCRAFT WAS EQUIPPED WITH A WIRE STRIKE PROTECTION SYSTEM AND EVIDENCE INDICATED THAT ONE OF THE STATIC LINES WAS ENGAGED AND CUT BY THE UPPER CUTTER. HOWEVER, THE EVIDENCE ALSO INDICATED THAT THE SECOND STATIC LINE STRUCK THREE OF THE FOUR BLADES OF THE MAIN ROTOR SYSTEM. THE BLADES SUBSEQUENTLY DEPARTED THE HUB AND THE MAIN TRANSMISSION SEPARATED FROM THE AIRFRAME.

NTSB Probable Cause Narrative

THE PILOT'S FAILURE TO SEE AND AVOID THE WIRES.

Event Information

Type of Event Accident
Event Date 6/13/1992
Event Day of the Week Saturday
Time of Event 1306
Event Time Zone Mountain Daylight Time
Event City SUNLAND PARK
Event State NEW MEXICO
Event Country --
Zipcode of the event site 88063
Event Date Year 1992
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1251 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 115
Weather Observation Facility ID ELP
Elevation of weather observation facility 3956
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 70
Air Temperature at event time (in degrees celsius) 33
Dew Point at event time (in degress fahrenheit) -3
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 9
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2442
NTSB Notification Source --
NTSB Notification Date Jun 13 1992 12:00AM
NTSB Notification Time 1615
Fiche Number and/or location -used to find docket information 47154
Date of most recent change to record Dec 11 2000 2:59PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N10436
NTSB Number FTW92GA157
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name HUGHES
Aircraft Model OH-6A
Aircraft Series Identifier OH-6A
Aircraft Serial Number 02731
Certified Max Gross Weight 2550
Aircraft Category Helicopter
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Jun 10 1992 12:00AM
Airframe hours since last inspection 7
Airframe Hours 11684
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name U. S. BORDER PATROL
Aircraft Owner Street Address P. O. BOX 10078
Aircraft Owner City EL PASO
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 79906
Operator is an individual? --
Operator Name U. S. BORDER PATROL
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address P. O. BOX 10078
Operator City EL PASO
Operator State TX
Operator Country
Operator Zip code 79906
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Public Use
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code ELP
Departure City EL PASO
Departure State TX
Departure Country
Departure Time 1012
Departure Time Zone MDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code ELP
Destination City
Destination State
Destination Country
Specific Phase of Flight Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --