Helena Regional Airport
Aircraft Accident/Incident Report

Helena, Montana 59601
Friday, September 24, 1993 19:15 MDT

NTSB Narrative Summary Released at Completion of Accident

DURING A TOUCH-AND-GO LANDING, THE PILOT, WHO HAD ONLY FIVE HOURS EXPERIENCE IN THIS MAKE AND MODEL AIRCRAFT, ALLOWED THE AIRSPEED TO GET LOW. DUE TO THE LOW AIRSPEED, THE AIRCRAFT DROPPED HARD ONTO THE RUNWAY, AND THE NOSE GEAR COLLAPSED. THE AIRCRAFT THEN SKIDDED OFF THE RUNWAY AND IMPACTED A RUNWAY LIGHT, WHICH RESULTED IN DAMAGE TO THE FUEL SYSTEM. SPARKS FROM THE LIGHT SYSTEM IGNITED FUEL THAT WAS LEAKING FROM THE DAMAGED FUEL SYSTEM, AND THE AIRCRAFT CAUGHT FIRE AND PARTIALLY BURNED.

NTSB Probable Cause Narrative

THE PILOT'S FAILURE TO MAINTAIN AIRSPEED. THE PILOT'S LACK OF EXPERIENCE IN THIS MAKE AND MODEL AIRCRAFT WAS A FACTOR.

Event Information

Type of Event Accident
Event Date 9/24/1993
Event Day of the Week Friday
Time of Event 1915
Event Time Zone Mountain Daylight Time
Event City HELENA
Event State MONTANA
Event Country --
Zipcode of the event site 59601
Event Date Year 1993
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport HELENA REGIONAL
Event Location Nearest Airport ID HLN
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 3500
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1855 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID HLN
Elevation of weather observation facility 3500
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation MDT
Lighting Conditions Dusk
Lowest Ceiling Height 20000
Lowest Non-Ceiling Height 20000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 40
Air Temperature at event time (in degrees celsius) 18
Dew Point at event time (in degress fahrenheit) 1
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
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 NTSB
NTSB Docket Number (internal use) 1527
NTSB Notification Source --
NTSB Notification Date Sep 24 1993 12:00AM
NTSB Notification Time 1845
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 1:39PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N273GW
NTSB Number SEA93LA210
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 Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name WHITE
Aircraft Model BD-5
Aircraft Series Identifier BD-5
Aircraft Serial Number GW-1
Certified Max Gross Weight 800
Aircraft Category Airplane
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 1
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 8 1993 12:00AM
Airframe hours since last inspection 15
Airframe Hours 15
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name WERMLING, GEORGE A.
Aircraft Owner Street Address 1805 JOSLYN
Aircraft Owner City HELENA
Aircraft Owner State MT
Aircraft Owner Country
Aircraft Owner Zipcode 59601
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 600
Departure Time Zone MDT
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 Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 27
Runway Length 9000
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --