Merrill Field Airport
Aircraft Accident/Incident Report

Anchorage, Alaska 99501
Tuesady, May 9, 2000 17:07 AKD

NTSB Narrative Summary Released at Completion of Accident

The solo commercial pilot was landing on runway 24, in a tailwheel and tundra tire equipped airplane on a paved runway. The pilot stated that after landing the airplane's right main wheel 'grabbed,' and the airplane ground looped to the right. During the ground loop, the left wing struck the runway, and the airplane nosed down. The airplane sustained substantial damage to the left wing leading edge, and left wing main spar. The pilot noted that there were no preaccident mechanical anomalies with the airplane.

NTSB Probable Cause Narrative

The pilot's inadvertent ground loop/swerve during landing.

Event Information

Type of Event Accident
Event Date 5/9/2000
Event Day of the Week Tuesday
Time of Event 1707
Event Time Zone --
Event City ANCHORAGE
Event State ALASKA
Event Country --
Zipcode of the event site 99501
Event Date Year 2000
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport MERRILL FIELD
Event Location Nearest Airport ID MRI
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 137
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1711 Atlantic Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID MRI
Elevation of weather observation facility 137
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation AST
Lighting Conditions Day
Lowest Ceiling Height 20000
Lowest Non-Ceiling Height 7000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Overcast
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) 11
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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) 807
NTSB Notification Source --
NTSB Notification Date May 9 2000 12:00AM
NTSB Notification Time 1715
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Jun 3 2001 4:45AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2785K
NTSB Number ANC00LA057
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 None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Cessna
Aircraft Model 180K
Aircraft Series Identifier 180K
Aircraft Serial Number 18053067
Certified Max Gross Weight 2800
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 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 1 1999 12:00AM
Airframe hours since last inspection --
Airframe Hours 1700
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name GRONHOLDT DEVELOPMENT CO.
Aircraft Owner Street Address P.O. BOX 288
Aircraft Owner City SAND POINT
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99661
Operator is an individual? --
Operator Name PAUL R. GRONHOLDT
Operator Same as Owner? No
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 No
Departure Airport Code SPD
Departure City SAND POINT
Departure State AK
Departure Country
Departure Time 1220
Departure Time Zone AST
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jun 3 2001 4:08AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 24
Runway Length 4000
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --