Roundup Airport
Aircraft Accident/Incident Report

Roundup, Montana 59072
Wednesday, February 10, 1988 15:00 MST

NTSB Narrative Summary Released at Completion of Accident

THE PRIVATE PLT RANCHER WAS COMPLETING A WORK FLT. DURING THE FLT, THE PLT MADE 5 OFF ARPT LANDINGS IN SNOW 5 TO 6 INCHES DEEP. THE LANDING ON WHICH THE ACCIDENT OCCURRED WAS MADE AT A LOCAL ARPT ON A SNOW COVERED RWY. DURING THE LANDING, THE ACFT SANK INTO DEEP SNOW AND NOSED OVER. AFTER THE ACCIDENT, THE DEPTH OF THE SNOW ON THE RWY WAS DETERMINED TO BE APRX 12 INCHES. NO NOTAMS PERTAINING TO SNOW ON THE RWY WERE ISSUED PRIOR TO THE ACCIDENT BUT A NOTAM WAS ISSUED AFTER THE ACCIDENT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 2/10/1988
Event Day of the Week Wednesday
Time of Event 1500
Event Time Zone Mountain Standard Time
Event City ROUNDUP
Event State MONTANA
Event Country --
Zipcode of the event site 59072
Event Date Year 1988
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ROUNDUP
Event Location Nearest Airport ID RPX
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 3485
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 Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 2500
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) -15
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 50
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
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) 76
NTSB Notification Source --
NTSB Notification Date Feb 11 1988 12:00AM
NTSB Notification Time 1500
Fiche Number and/or location -used to find docket information 35551
Date of most recent change to record Dec 13 2000 11:32AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7661A
NTSB Number DEN88LA067
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 180
Aircraft Series Identifier 180
Aircraft Serial Number 32558
Certified Max Gross Weight 2550
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 Jan 5 1988 12:00AM
Airframe hours since last inspection 30
Airframe Hours 4150
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name MARK D MILLER
Aircraft Owner Street Address BOX 732
Aircraft Owner City HARLOWTON
Aircraft Owner State MT
Aircraft Owner Country
Aircraft Owner Zipcode 59036
Operator is an individual? --
Operator Name MILLER, MARK D.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address BOX 732
Operator City HARLOWTON
Operator State MT
Operator Country
Operator Zip code 59036
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 HWQ
Departure City HARLOWTON
Departure State MT
Departure Country
Departure Time 1000
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 Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 15
Runway Length 2800
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --