Aircraft Accident/Incident Report

Athens, Georgia 30603
Tuesady, December 20, 1988 16:45 EST

NTSB Narrative Summary Released at Completion of Accident

WHILE CRUISING AT 6,000', THE PLT FELT AN INTENSE VIBRATION FM THE ENG. POWER WAS REDUCED & A DESCENT WAS BEGUN TOWARD A NEARBY ARPT. BEFORE REACHING THE ARPT, THE ENG LOST POWER & AN EMERGENCY WHEELS-UP LANDING WAS MADE IN AN OPEN FIELD. AN EXAM OF THE ENG REVEALED THE #1 EXHAUST VALVE HAD FAILED. THE VALVE GUIDE WAS BATTERED & BROKEN, AND WAS LOOSE IN ITS BORE. THE BORE WAS FRETTED & HAD BECOME OVERSIZED. THE ENG HAD BEEN OVERHAULED & INSTALLED IN THE ACFT ON 1/20/82 WITH A TOTAL TIME OF 1515 HRS. ACCORDING TO THE LOG BOOK, NEW VALVES & VALVE GUIDES HAD BEEN INSTALLED AT THAT TIME. THE ENG TIME SINCE MAJOR OVERHAUL WAS 1041 HRS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/20/1988
Event Day of the Week Tuesday
Time of Event 1645
Event Time Zone Eastern Standard Time
Event City ATHENS
Event State GEORGIA
Event Country --
Zipcode of the event site 30603
Event Date Year 1988
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 25
Degrees magnetic from airport 20
Airport Elevation 807
Weather Briefing Completeness Not pertinent
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 8000
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) 8
Air Temperature at event time (in degrees celsius) 17
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 210
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 500
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 2
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1777
NTSB Notification Source --
NTSB Notification Date Dec 20 1988 12:00AM
NTSB Notification Time 1720
Fiche Number and/or location -used to find docket information 37953
Date of most recent change to record Dec 13 2000 12:21PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N17696
NTSB Number ATL89LA056
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BEECH
Aircraft Model A36
Aircraft Series Identifier A36
Aircraft Serial Number E1004
Certified Max Gross Weight 3600
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 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Dec 4 1988 12:00AM
Airframe hours since last inspection 9
Airframe Hours 3330
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name BONANZA FIVE, INC.
Aircraft Owner Street Address 1901 MONTREAL RD. SUITE 108
Aircraft Owner City TUCKER
Aircraft Owner State GA
Aircraft Owner Country
Aircraft Owner Zipcode 30084
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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code DNL
Departure City AUGUSTA
Departure State GA
Departure Country
Departure Time 1610
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code PDK
Destination City CHAMBLEE
Destination State GA
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 27
Runway Length 4989
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --