James M. Cox Dayton Intl Airport
Aircraft Accident/Incident Report

Dayton, Ohio 45401
Wednesday, May 29, 1985 18:28 EST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT INVOLVED WAS EXPERIMENTALLY CONFIGURED WITH 4-BLADED PROPS AND WAS ON A TEST FLT TO DETERMINE HANDLING CHARACTERISTICS FOLLOWING A THROTTLE CHOP TO IDLE POWER AT 50 FT AGL. THIS MANEUVER HAD BEEN ACCOMPLISHED TWICE ON THE TEST FLT WITHOUT INCIDENT. ON THE THIRD LANDING, THE PLT LATER STATED, THAT HE RETARDED THE THROTTLES MORE BRISKLY THAN ON PREVIOUS APPROACHES. OBSERVERS ON THE PLANE AND ON THE GROUND THEN SAW A YAW AND A WING DROP. THE RIGHT GEAR STRUCK THE RWY FIRST, FOLLOWED BY THE LEFT AND NOSE GEARS. ALL THREE GEAR THEN SHEARED OFF. THE ACFT SLID TO A STOP OFF THE RWY 975 FT FROM INITIAL IMPACT. A POST-ACCIDENT TEARDOWN OF THE PROPS REVEALED NO PREEXISTING MISADJUSTMENTS OR ABNORMALITIES.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/29/1985
Event Day of the Week Wednesday
Time of Event 1828
Event Time Zone Eastern Standard Time
Event City DAYTON
Event State OHIO
Event Country --
Zipcode of the event site 45401
Event Date Year 1985
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport JAMES M. COX DAYTON INTL
Event Location Nearest Airport ID DAY
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 1009
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1835 Eastern Standard Time
Direction of event from weather observation facility (degrees) 200
Weather Observation Facility ID DAY
Elevation of weather observation facility 1009
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 25000
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 190
Variable Wind Indicator Unknown
Wind Speed (knots) 3
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
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 Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 3
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1892
NTSB Notification Source --
NTSB Notification Date May 29 1985 12:00AM
NTSB Notification Time 1800
Fiche Number and/or location -used to find docket information 29274
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 N2079A
NTSB Number CHI85FA218
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 425
Aircraft Series Identifier 425
Aircraft Serial Number 425-0001
Certified Max Gross Weight 6800
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 6
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 876
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name CESSNA AIRCRAFT COMPANY
Aircraft Owner Street Address WEST K-42 HIGHWAY
Aircraft Owner City WICHITA
Aircraft Owner State KS
Aircraft Owner Country
Aircraft Owner Zipcode 67227
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) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1815
Departure Time Zone EST
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 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 24L
Runway Length 7000
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --