Aircraft Accident/Incident Report

Toledo, Ohio 43558
Tuesady, August 30, 1988 12:36 EDT

NTSB Narrative Summary Released at Completion of Accident

WHILE PRACTICING ILS APPROACHES AND RECEIVING VECTORS, THE AIRCRAFT EXPERIENCED A LOSS OF ONE BLADE OF THE RIGHT PROPELLER. THE PILOT/FLIGHT INSTRUCTOR ATTEMPTED TO SECURE THE ENGINE; HOWEVER, THE ENGINE HUNG DOWN AND PREVENTED FULL CONTROL OF THE AIRCRAFT. WITH FULL POWER ON THE LEFT ENGINE, THE AIRCRAFT MADE A SLOW DECENDING TURN TO THE RIGHT UNTIL IMPACT WITH A UTILITY POLE, TREES, A VEHICLE AND THE TERRAIN. A POST IMPACT FIRE ERUPTED AND CONSUMED MOST OF THE FUSELAGE. ONE PERSON ON THE GROUND RECEIVED MINOR INJURIES FROM FALLING TREE LIMBS. SUBSEQUENT EXAMINATION REVEALED A FATIGUE FAILURE OF THE PROPELLER HUB. FACTORS CONCERNING INITIATION OF THE FATIGUE FRACTURE WERE NOT POSSIBLE FROM PHYSICAL EVIDENCE FOUND.

NTSB Probable Cause Narrative

FATIGUE FRACTURE, FOR REASONS UNDETERMINED, WHICH LEAD TO THE LOSS OF A PROPELLER BLADE FROM THE RIGHT ENGINE. THIS IN TURN LEAD TO THE MARGINAL CONTROLLABILITY OF THE AIRCRAFT.

Event Information

Type of Event Accident
Event Date 8/30/1988
Event Day of the Week Tuesday
Time of Event 1236
Event Time Zone Eastern Daylight Time
Event City TOLEDO
Event State OHIO
Event Country --
Zipcode of the event site 43558
Event Date Year 1988
Event Date Month 8
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 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1250 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 250
Weather Observation Facility ID TOL
Elevation of weather observation facility 684
Distance of event from weather observation facility (units?) 7
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 4000
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) 15
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) 12
Wind Direction (degrees magnetic) 330
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
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 1
Injury Total Serious 2
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 2489
NTSB Notification Source --
NTSB Notification Date Aug 30 1988 12:00AM
NTSB Notification Time 1307
Fiche Number and/or location -used to find docket information 39773
Date of most recent change to record Feb 21 2002 2:41PM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4049P
NTSB Number CHI88FA226
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-23-160
Aircraft Series Identifier PA-23-160
Aircraft Serial Number 23-1526
Certified Max Gross Weight 3800
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 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Jun 30 1988 12:00AM
Airframe hours since last inspection 88
Airframe Hours 4206
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HEYDE AVIATION CENTER, INC.
Aircraft Owner Street Address 10-646 CO RD O
Aircraft Owner City NAPOLEON
Aircraft Owner State OH
Aircraft Owner Country
Aircraft Owner Zipcode 43545
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 No
Departure Airport Code OH17
Departure City NAPOLEON
Departure State OH
Departure Country
Departure Time 1145
Departure Time Zone EDT
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 Descent
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --