Aircraft Accident/Incident Report

Madison, Connecticut 06443
Monday, October 11, 2004 17:48 EDT

NTSB Narrative Summary Released at Completion of Accident

The pilot made a "Mayday" call, and reported that he was at 4,000 feet msl and descending without engine power. An approach controller acknowledged the pilot's distress call, and attempted to direct him to a nearby airport. The pilot subsequently elected to perform a forced landing to a field; however, during the landing the airplane impacted a private residence. A witness, located about 4 miles north of the accident site, saw the accident airplane flying normally, then heard a "bang." He then heard about 5 seconds of intermittent engine noise, followed by white smoke, which began trailing behind the airplane as it flew. The propeller was found about 3.4 miles from where the airplane came to rest. Examination of the airframe revealed no mechanical anomalies, and examination of the engine revealed damage consistent with an engine overspeed. Examination of the propeller, propeller flange, and associated hardware revealed signatures consistent with insufficient propeller retention bolt torque.

NTSB Probable Cause Narrative

A loss of engine power due to separation of the propeller due to under-torqued retention bolts.

Event Information

Type of Event Accident
Event Date 10/11/2004
Event Day of the Week Monday
Time of Event 1748
Event Time Zone Eastern Daylight Time
Event City Madison
Event State CONNECTICUT
Event Country --
Zipcode of the event site 06443
Event Date Year 2004
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 411705N
Event Location Longitude 0723505W
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1753 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 280
Weather Observation Facility ID HVN
Elevation of weather observation facility 14
Distance of event from weather observation facility (units?) 13
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 4800
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 14
Dew Point at event time (in degress fahrenheit) 4
Wind Direction (degrees magnetic) 340
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 12
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.95
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 19771
NTSB Notification Source New England Region
NTSB Notification Date Oct 11 2004 12:00AM
NTSB Notification Time 1800
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record May 30 2006 1:54PM
User who most recently changed record NTSB\JOHB
Basic weather conditions Visual Meteorological Cond
FAA District Office Windsor Locks

Aircraft Involved

Aircraft #1

Aircraft Registration Number N233PA
NTSB Number NYC05FA005
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Piper
Aircraft Model PA-28-161
Aircraft Series Identifier --
Aircraft Serial Number 28-7816676
Certified Max Gross Weight 2440
Aircraft Category Airplane
Aircraft Registration Class --
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 Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Aug 1 2004 12:00AM
Airframe hours since last inspection 50
Airframe Hours 11703
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SUNSHINE EQUITY TRUST
Aircraft Owner Street Address 49 Brook Road
Aircraft Owner City Danbury
Aircraft Owner State CT
Aircraft Owner Country USA
Aircraft Owner Zipcode --
Operator is an individual? No
Operator Name Danbury Flight School
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 49 Miry Brook Road
Operator City Danbury
Operator State CT
Operator Country USA
Operator Zip code 06810
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
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
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code ACK
Departure City NANTUCKET
Departure State MA
Departure Country USA
Departure Time 1638
Departure Time Zone EDT
Destination Same as Local Flt --
Destination Airport Code DXR
Destination City DANBURY
Destination State CT
Destination Country USA
Specific Phase of Flight Emergency landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Mar 22 2006 3:55PM
User who most recently changed record MUZD
Since inspection or accident Last Inspection
Event Location Runway Number and Location NA
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --