Aircraft Accident/Incident Report

St. Petersburg, Florida 33702
Tuesady, April 25, 2000 12:16 EDT

NTSB Narrative Summary Released at Completion of Accident

The medical service helicopter had completed a patient drop-off and was enroute to its' home base when it collided with a 649 foot radio tower. The operator stated that the flight was flying a newly established route in response to local noise complaints. Examination of the rotor system showed several indentations along the leading edges of two main rotor blades. There were also fresh mirroring indentations at the 480-foot level of the steel structure of the tower. No mechanical problems were discovered during the examination of the helicopter.

NTSB Probable Cause Narrative

The pilot's failure to maintain clearance that resulted in the in-flight collision with a tower.

Event Information

Type of Event Accident
Event Date 4/25/2000
Event Day of the Week Tuesday
Time of Event 1216
Event Time Zone Eastern Daylight Time
Event City ST. PETERSBURG
Event State FLORIDA
Event Country --
Zipcode of the event site 33702
Event Date Year 2000
Event Date Month 4
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 Unknown
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1153 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 300
Weather Observation Facility ID PIE
Elevation of weather observation facility 11
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation EDT
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) 10
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) 16
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 1000
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 3
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 10004
NTSB Notification Source FAA TAMPA FSDO
NTSB Notification Date Apr 25 2000 12:00AM
NTSB Notification Time 1400
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Jul 17 2001 8:35AM
User who most recently changed record MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N428MB
NTSB Number ATL00FA048
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Eurocopter
Aircraft Model BK117-A3
Aircraft Series Identifier BK117-A3
Aircraft Serial Number 7088
Certified Max Gross Weight 7555
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 7
Number of Engines 2
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection Mar 15 2000 12:00AM
Airframe hours since last inspection 19
Airframe Hours 6642
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name GENERAL ELECTRIC CAPITAL CORP.
Aircraft Owner Street Address 5400 LBJ FREEWAY STE 1280
Aircraft Owner City DALLAS
Aircraft Owner State TX
Aircraft Owner Country USA
Aircraft Owner Zipcode 75240
Operator is an individual? No
Operator Name ROCKY MOUNTAIN HELICOPTERS
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 800 SOUTH 3100 WEST
Operator City PROVO
Operator State UT
Operator Country USA
Operator Zip code 84603
Operator Code R7MA
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
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) Positioning
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1212
Departure Time Zone EDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Feb 2 2009 2:46PM
User who most recently changed record johb
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight Yes
Medical Flight --