Missoula International Airport
Aircraft Accident/Incident Report

Missoula, Montana 59801
Monday, December 22, 2003 20:00 MST

NTSB Narrative Summary Released at Completion of Accident

Shortly after take off during night instrument meteorological conditions, the second pilot, who had no previous flight time in this make and model aircraft and was the flying pilot, reported that he made a right turn from runway heading at about 400 to 500 feet above ground level to intercept the outbound radial from the VOR to accomplish the departure procedure. During the turn, a "thump" was felt and the right bank angle increased from about 25 degrees to 45 degrees. While the second pilot was attempting to correct from the increased bank angle, the aircraft at some point, entered a descent. Just before ground impact to open terrain about one mile south of the runway, the pilot-in-command took control of the aircraft to level the wings. The aircraft skipped across the open terrain for several hundred yards before coming to rest on its belly. The aircraft was consumed by fire shortly thereafter. Neither pilot could explain the loss of altitude as both believed they were in a continuous climb during the event as airspeed and pitch attitude remained constant. Neither pilot could recall if they scanned the vertical speed indicator or altimeter to verify if they were indicating a climb or descent. During the post accident inspection of the aircraft, no evidence of a mechanical failure or malfunction was found and no evidence of an in flight collision with an object was noted. At the time of the accident, low freezing fog and visibility was reported.

NTSB Probable Cause Narrative

The second pilot's failure to maintain terrain clearance while maneuvering after takeoff. Proper climb rate not verified by the flight crew, fog, freezing fog, dark night conditions and inadequate supervision by the pilot-in-command were factors.

Event Information

Type of Event Accident
Event Date 12/22/2003
Event Day of the Week Monday
Time of Event 2000
Event Time Zone Mountain Standard Time
Event City Missoula
Event State MONTANA
Event Country --
Zipcode of the event site 59801
Event Date Year 2003
Event Date Month 12
MidAir Collision Indicator --
On Ground Collision occurred ? --
Event Location Latitude 465400N
Event Location Longitude 1140543W
Event Location Airport Missoula International
Event Location Nearest Airport ID MSO
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport 175
Airport Elevation 3205
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1953 Mountain Standard Time
Direction of event from weather observation facility (degrees) 355
Weather Observation Facility ID MSO
Elevation of weather observation facility 3205
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation MST
Lighting Conditions Night/Dark
Lowest Ceiling Height 100
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling Obscured
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 0.75
Air Temperature at event time (in degrees celsius) -3
Dew Point at event time (in degress fahrenheit) -4
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.32
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 1
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 15601
NTSB Notification Source FAA Regional Operations Center
NTSB Notification Date Dec 22 2003 12:00AM
NTSB Notification Time 1930
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Jun 3 2004 1:28PM
User who most recently changed record NTSB\MONR
Basic weather conditions Instrument Meteorological Cond
FAA District Office Helena, Montana

Aircraft Involved

Aircraft #1

Aircraft Registration Number N181AM
NTSB Number SEA04LA029
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed --
Flight plan Was Activated? Yes
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name Beech
Aircraft Model 58P
Aircraft Series Identifier --
Aircraft Serial Number TJ-181
Certified Max Gross Weight 6200
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 6
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Sep 30 2003 12:00AM
Airframe hours since last inspection 70
Airframe Hours 2085
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Ridgeaire Inc.
Aircraft Owner Street Address 3511 Silverside Rd
Aircraft Owner City Wilmington
Aircraft Owner State DE
Aircraft Owner Country USA
Aircraft Owner Zipcode 19810
Operator is an individual? No
Operator Name U.S. Forest Service
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 2141 Airport Way
Operator City Boise
Operator State ID
Operator Country USA
Operator Zip code 83705
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
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 Yes
Departure Point Same as Event Yes
Departure Airport Code MSO
Departure City Missoula
Departure State MT
Departure Country USA
Departure Time 2000
Departure Time Zone MST
Destination Same as Local Flt --
Destination Airport Code RDM
Destination City Redmond
Destination State OR
Destination Country USA
Specific Phase of Flight Climb - to cruise
Report sent to ICAO? Yes
Evacuation occurred No
Date of most recent change to record Sep 14 2004 4:20PM
User who most recently changed record JOHB
Since inspection or accident Last Inspection
Event Location Runway Number and Location 11
Runway Length 9501
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --