Aircraft Accident/Incident Report

Douglas, Wyoming 82633
Monday, August 16, 2010 7:05 MDT

NTSB Narrative Summary Released at Completion of Accident

During an aerial wildlife observation flight, the wildlife biologist requested that the pilot maneuver the airplane at a lower altitude over a specific location. While in a descending turn, the pilot intentionally entered a left-wing-low slip in an effort to increase the rate of descent. At the end of the turn, the airplane's rate of descent increased significantly, and the pilot was unable to level the wings prior to the left wing impacting terrain. A postaccident examination revealed that there was no evidence of a mechanical malfunction or failure with the airplane.

NTSB Probable Cause Narrative

The pilot's failure to maintain clearance from the terrain while maneuvering during an aerial observation flight.

Event Information

Type of Event Accident
Event Date 8/16/2010
Event Day of the Week Monday
Time of Event 705
Event Time Zone Mountain Daylight Time
Event City Douglas
Event State WYOMING
Event Country --
Zipcode of the event site 82633
Event Date Year 2010
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 423810N
Event Location Longitude 1051737W
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Witness
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height 1900
Sky/Lowest/Cloud Conditions Thin Overcast
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 13
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 300
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 8
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 2
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 27948
NTSB Notification Source FAA Operations Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Dec 3 2010 6:38PM
User who most recently changed record stam
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5034K
NTSB Number WPR10LA406
Missing Aircraft Indicator --
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 BELLANCA
Aircraft Model 7GCBC
Aircraft Series Identifier --
Aircraft Serial Number 1073-79
Certified Max Gross Weight 1649
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
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 Jun 22 2010 12:00AM
Airframe hours since last inspection --
Airframe Hours 1842
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name Robert D Laird
Aircraft Owner Street Address --
Aircraft Owner City EKALAKA
Aircraft Owner State MT
Aircraft Owner Country USA
Aircraft Owner Zipcode 59324
Operator is an individual? No
Operator Name Laird Flying Service Inc.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 1820 Chalk Buttes Road
Operator City Ekalaka
Operator State MT
Operator Country USA
Operator Zip code 59324
Operator Code --
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
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) Aerial Observation
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code KDGW
Departure City Douglas
Departure State WY
Departure Country USA
Departure Time 647
Departure Time Zone MDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code KDGW
Destination City Douglas
Destination State WY
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 3 2010 6:38PM
User who most recently changed record stam
Since inspection or accident Last Inspection
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --