Boone Municipal Airport
Aircraft Accident/Incident Report

Boone, Iowa 50036
Sunday, September 11, 1994 10:15 CDT

NTSB Narrative Summary Released at Completion of Accident

THE TWO AIRPLANES COLLIDED WHILE ON TAKEOFF ROLL ON CROSSING RUNWAYS DURING A SUNDAY MORNING BREAKFAST FLY-IN. SEVERAL WITNESSES SAID THE AIRPORT WAS EXCEPTIONALLY BUSY THROUGHOUT THE MORNING DUE TO THE LARGE NUMBER OF TRANSIENT AIRCRAFT. WITNESSES IN AIRPLANES IN THE VICINITY REPORTED HEARING THE UNICOM DEPARTURE ANNOUNCEMENTS FROM BOTH PILOTS. NEITHER ACCIDENT PILOT ACKNOWLEDGED HEARING THE DEPARTURE ANNOUNCEMENT OF THE OTHER. IN THEIR ACCIDENT INVESTIGATION RECORD, FEDERAL AVIATION ADMINISTRATION INSPECTORS WROTE 'THE VIEW OF BOTH PILOTS WAS OBSTRUCTED BY CORN GROWING BETWEEN THE RUNWAYS.'

NTSB Probable Cause Narrative

the failure of both pilots to adequately monitor radio communications during an exceptionally busy period. Factors related to the accident were the high vegetation and the failure of airport personnel to recognize and correct a hazardous situation.

Event Information

Type of Event Accident
Event Date 9/11/1994
Event Day of the Week Sunday
Time of Event 1015
Event Time Zone Central Daylight Time
Event City BOONE
Event State IOWA
Event Country --
Zipcode of the event site 50036
Event Date Year 1994
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? Yes
Event Location Latitude
Event Location Longitude
Event Location Airport BOONE MUNICIPAL
Event Location Nearest Airport ID BNW
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 1162
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1015 Central Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID BNW
Elevation of weather observation facility 1162
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation CDT
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) 10
Air Temperature at event time (in degrees celsius) 23
Dew Point at event time (in degress fahrenheit) 18
Wind Direction (degrees magnetic) 200
Variable Wind Indicator Unknown
Wind Speed (knots) 9
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 1160
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 6
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1383
NTSB Notification Source --
NTSB Notification Date Sep 11 1994 12:00AM
NTSB Notification Time 1150
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Apr 7 2001 12:43PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft #2

Aircraft Registration Number N2105E N2899T
NTSB Number CHI94LA322A CHI94LA322B
Missing Aircraft Indicator N N
Federal Aviation Reg. Part Part 91: General Aviation Part 91: General Aviation
Type of Flight Plan filed None None
Flight plan Was Activated? -- --
Damage Substantial Substantial
Aircraft Fire None None
Aircraft Explosion None None
Aircraft Manufacturer's Full Name CESSNA PIPER
Aircraft Model 172N PA-28-140
Aircraft Series Identifier 172N PA-28-140
Aircraft Serial Number 17271155 28-7225276
Certified Max Gross Weight 2300 2150
Aircraft Category Airplane Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No No
Flight Crew Seats -- --
Cabin Crew Seats -- --
Passenger Seats -- --
Total number of seats on the aircraft 4 4
Number of Engines 1 1
Fixed gear or retractable gear Fixed Fixed
Aircraft, Type of Last Inspection 100 Hour Annual
Date of Last Inspection Aug 10 1994 12:00AM Mar 3 1994 12:00AM
Airframe hours since last inspection 35 79
Airframe Hours 5703 3485
ELT Installed Yes Yes
ELT Activated No No
ELT Aided Location of Event Site Unknown Unknown
ELT Type -- --
Aircraft Owner Name DWYER AIRCRAFT SALES CARROLL AVIATION INC.
Aircraft Owner Street Address P. O. BOX 239 RR 1, P. O. BOX 1
Aircraft Owner City MASON CITY CARROLL
Aircraft Owner State IA IA
Aircraft Owner Country
Aircraft Owner Zipcode 50402 51401
Operator is an individual? -- --
Operator Name
Operator Same as Owner? Yes Yes
Operator Is Doing Business As -- --
Operator Address Same as Owner? No No
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code DFSA
Owner has at least one certificate Yes - certificate holder None
Other Operator of large aircraft? No No
Certified for Part 133 or 137 Operation Unknown 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 Personal
Second Pilot on Board No No
Departure Point Same as Event Yes Yes
Departure Airport Code BNW BNW
Departure City
Departure State
Departure Country
Departure Time 0 1015
Departure Time Zone CDT
Destination Same as Local Flt -- --
Destination Airport Code MCW CIN
Destination City MASON CITY CARROLL
Destination State IA IA
Destination Country
Specific Phase of Flight Takeoff Takeoff
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Jan 2 2001 10:34AM Jan 2 2001 10:34AM
User who most recently changed record dbo dbo
Since inspection or accident -- --
Event Location Runway Number and Location 14 20
Runway Length 4800 3300
Runway Width 75 290
Sight Seeing flight No No
Air Medical Flight No No
Medical Flight -- --