Boulder Muni Airport
Aircraft Accident/Incident Report

Boulder, Colorado 80302
Saturday, December 15, 1984 13:00 MST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT MADE AN OFF-ARPT FORCED LANDING AFTER THE ENGINE LOST POWER DURING TAKEOFF. THE FLT INSTRUCTOR AND THE PLT RECEIVING INSTRUCTION HAD FLOWN THIS ACFT FOR AN EARLIER SESSION OF TRAINING DURING THE MORNING. AFTER A BREAK AND BRIEFING THE ACFT WAS RESTARTED. DURING THE ENGINE RUN-UP THE ENGINE RAN ROUGH AND THE MIXTURE WAS LEANED FOR REMEDIAL ACTION BEFORE FURTHER RUN-UP AND CHECK. ENGINE HAD BEEN STARTED ON THE LEFT TANK WHICH WAS USED FOR THE PREVIOUS FLT. SOMETIME PRIOR TO TAKEOFF THE RIGHT TANK WAS SELECTED. AT ABOUT 350 FT AGL AFTER TAKEOFF THE ENGINE LOST POWER. THE CFI TOOK OVER AND CHECKED MOST OF THE CONTROLS WITH NO MENTION OF THE TANK SELECTOR POSITIONING. THE ENGINE DID NOT REGAIN POWER BEFORE THE CFI CUT THE THROTTLE FOR THE LANDING.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/15/1984
Event Day of the Week Saturday
Time of Event 1300
Event Time Zone Mountain Standard Time
Event City BOULDER
Event State COLORADO
Event Country --
Zipcode of the event site 80302
Event Date Year 1984
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport BOULDER MUNI
Event Location Nearest Airport ID IV5
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 5288
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 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 60
Air Temperature at event time (in degrees celsius) 1
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 5000
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2195
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26115
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N79349
NTSB Number DEN85LA045
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 MOONEY
Aircraft Model M20E
Aircraft Series Identifier M20E
Aircraft Serial Number 559
Certified Max Gross Weight 2575
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Feb 13 1984 12:00AM
Airframe hours since last inspection 116
Airframe Hours 2363
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name BRUCE MCMILLAN
Aircraft Owner Street Address 4867 W. MOORHEAD CIRCLE
Aircraft Owner City BOULDER
Aircraft Owner State CO
Aircraft Owner Country
Aircraft Owner Zipcode
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 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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code 1V5
Departure City
Departure State
Departure Country
Departure Time 1300
Departure Time Zone MST
Destination Same as Local Flt dest & departure same, accident can occur anywhere
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 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 8
Runway Length 4200
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --