Aircraft Accident/Incident Report

Billings, Montana 59101
Thursday, August 15, 1985 23:20 MDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT STATED THAT HE ENCOUNTERED A 'WIND DRAFT' AND THE ACFT WAS STRUCK BY LIGHTNING. THE RT ENG MOUNT FAILED AND THE RT ENG WAS DEFLECTED DOWNWARD. PLT WAS UNABLE TO MAINTAIN ALT AND EXECUTED A FORCED LANDING IN AN OPEN FIELD. POST CRASH EXAM OF THE WELDED CLUSTER ENG MOUNT REVEALED EVIDENCE OF AN OVERLOAD TYPE FAILURE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/15/1985
Event Day of the Week Thursday
Time of Event 2320
Event Time Zone Mountain Daylight Time
Event City BILLINGS
Event State MONTANA
Event Country --
Zipcode of the event site 59101
Event Date Year 1985
Event Date Month 8
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 0
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Night/Dark
Lowest Ceiling Height 5000
Lowest Non-Ceiling Height 2800
Sky/Lowest/Cloud Conditions Thin Broken
Sky Condition for Lowest Ceiling Unknown
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) 10
Dew Point at event time (in degress fahrenheit) 11
Wind Direction (degrees magnetic) 330
Variable Wind Indicator Unknown
Wind Speed (knots) 30
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 40
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Moderate
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) 2628
NTSB Notification Source --
NTSB Notification Date Aug 16 1985 12:00AM
NTSB Notification Time 245
Fiche Number and/or location -used to find docket information 30221
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N44N
NTSB Number DEN85LA221
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BEECH
Aircraft Model E18S
Aircraft Series Identifier E18S
Aircraft Serial Number BA109
Certified Max Gross Weight 9300
Aircraft Category Airplane
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 2
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 15 1985 12:00AM
Airframe hours since last inspection 46
Airframe Hours 12624
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SKY FREIGHTER, INC.
Aircraft Owner Street Address
Aircraft Owner City GRAND PRARIE
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode
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 Yes - certificate holder
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 Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Cargo
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code HLN
Departure City HELENA
Departure State MT
Departure Country
Departure Time 2230
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code BIL
Destination City BILLINGS
Destination State MT
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --