Aircraft Accident/Incident Report

Butte, Montana 59702
Thursday, November 6, 1986 4:36 MST

NTSB Narrative Summary Released at Completion of Accident

PLT WAS ATTEMPTING THE VOR-B INSTRUMENT APCH TO BUTTE, MT ARPT. PLT REPORTED OVER THE COPPERTOWN VORTAC INBOUND ON THE ARPT. THE PROCEDURE TURN INBOUND COURSE TO THE VORTAC IS 124 DEGREES. THE INBOUND COURSE TO THE ARPT IS 094 DEGREES. THE ACFT WRECKAGE WAS FOUND ON THE 124 DEGREE RADIAL 5 MILES SW OF THE ARPT. THE WIND WAS REPORTED TO BE 340 DEGREES AT 9 KTS. THE VOR-B APCH TERMINATES AT RWY 11. RWY 33 IS 9000 FT LONG AND EQUIPPED WITH MIRL'S AND REIL'S.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 11/6/1986
Event Day of the Week Thursday
Time of Event 436
Event Time Zone Mountain Standard Time
Event City BUTTE
Event State MONTANA
Event Country --
Zipcode of the event site 59702
Event Date Year 1986
Event Date Month 11
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 5
Degrees magnetic from airport 227
Airport Elevation 0
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 351 Mountain Standard Time
Direction of event from weather observation facility (degrees) 47
Weather Observation Facility ID BTM
Elevation of weather observation facility 5553
Distance of event from weather observation facility (units?) 5
Time Zone of the weather observation MST
Lighting Conditions Night/Dark
Lowest Ceiling Height 1100
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling Obscured
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 2
Air Temperature at event time (in degrees celsius) -2
Dew Point at event time (in degress fahrenheit) -3
Wind Direction (degrees magnetic) 340
Variable Wind Indicator Unknown
Wind Speed (knots) 9
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Light
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) 2322
NTSB Notification Source --
NTSB Notification Date Nov 6 1986 12:00AM
NTSB Notification Time 820
Fiche Number and/or location -used to find docket information 32976
Date of most recent change to record Dec 13 2000 5:15PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N421AR
NTSB Number DEN87FA016
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 421C
Aircraft Series Identifier 421C
Aircraft Serial Number 421C0254
Certified Max Gross Weight 7450
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 1
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Oct 20 1986 12:00AM
Airframe hours since last inspection 50
Airframe Hours 2890
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Yes
ELT Type --
Aircraft Owner Name LYNCH FLYING SERVICE
Aircraft Owner Street Address BILLINGS LOGAN INT'L AIRPORT
Aircraft Owner City BILLINGS
Aircraft Owner State MT
Aircraft Owner Country
Aircraft Owner Zipcode 59105
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 414
Departure Time Zone MST
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Approach
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 --