Merrill Field Airport
Aircraft Accident/Incident Report

Anchorage, Alaska 99501
Wednesday, July 12, 1989 4:10 AKD

NTSB Narrative Summary Released at Completion of Accident

ACCORDING TO LOCAL POLICE OFFICIALS, THE HELICOPTER WAS BEING TAKEN ON AN UNAUTHORIZED FLIGHT WHEN IT COLLIDED WITH A NEARBY AIRPORT BUILDING. THE PERSON AT THE FLIGHT CONTROLS WAS NOT DETERMINED, BUT POLICE OFFICIALS IDENTIFIED A PERSON THAT THEY BELIEVED HAD ATTEMPTED TO TAKE THE HELICOPTER. THIS PERSON HAD NO FAA FLIGHT CERTIFICATE & WAS PRESUMED TO HAVE HAD NO PREVIOUS FLIGHT EXPERIENCE AS A PILOT.

NTSB Probable Cause Narrative

UNQUALIFIED PERSON AT THE FLIGHT CONTROLS, WHO WAS UNABLE TO MAINTAIN CONTROL OF THE HELICOPTER. THE NEARBY BUILDING (AIRPORT FACILITY) WAS A CONTRIBUTING FACTOR.

Event Information

Type of Event Accident
Event Date 7/12/1989
Event Day of the Week Wednesday
Time of Event 410
Event Time Zone --
Event City ANCHORAGE
Event State ALASKA
Event Country --
Zipcode of the event site 99501
Event Date Year 1989
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport MERRILL FIELD
Event Location Nearest Airport ID MRI
Indicates whether the acc/inc occurred off or on an airport On Airport
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 355 Atlantic Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID MRI
Elevation of weather observation facility 137
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation ADT
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 25
Air Temperature at event time (in degrees celsius) 13
Dew Point at event time (in degress fahrenheit) 10
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency FAA
NTSB Docket Number (internal use) 820
NTSB Notification Source --
NTSB Notification Date Jul 12 1989 12:00AM
NTSB Notification Time 430
Fiche Number and/or location -used to find docket information 40318
Date of most recent change to record Dec 13 2000 12:50PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5577G
NTSB Number ANC89DAG01
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name SCORPION
Aircraft Model II
Aircraft Series Identifier II
Aircraft Serial Number TB-02
Certified Max Gross Weight 1480
Aircraft Category Helicopter
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection --
Airframe hours since last inspection 12
Airframe Hours 12
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name STEVE ZEMAN
Aircraft Owner Street Address P.O. BOX 254
Aircraft Owner City PALMER
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name ZEMAN, STEVEN
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 2720 EAST 50TH
Operator City ANCHORAGE
Operator State AK
Operator Country
Operator Zip code 99515
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) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 410
Departure Time Zone ADT
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 Hover
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 --