Individually Owned: 150,657
Corporate Owned: 137,281
Lake Side Airport
Aircraft Accident/Incident Report
Griswold, Connecticut 06374
Sunday, October 7, 1990 21:10 EDT
NTSB Narrative Summary Released at Completion of Accident
THE PLT & PSGR WERE ON A LOCAL FLT AT NGT. PSNL AT THE ARPT NOTED THAT THE RWY LIGHTS HAD BEEN ACTIVATED, BUT NO ACFT WAS SEEN TO LAND. THE ACFT WAS FND THE NEXT MORNING ABOUT 6 MI NORTHEAST OF THE ARPT, WHERE IT HAD HIT TREES & CRASHED. AN INVESTIGATION REVEALED IT HAD IMPACTED TREES, WHILE IN A SHALLOW DSCNT. A LACK OF ROTATIONAL SCARRING WAS NOTED ON THE PROP; ONLY 1 BLADE WAS DEFORMED & ONLY 1 BLADE CONTAINED LEADING EDGE NICKS. THE FLAPS WERE FND IN THE FULLY EXTENDED (30 DEG) POSITION, BUT THE FLAP INDICATOR SHOWED ONLY 10 DEGS OF FLAPS. ABOUT 8 GAL OF FUEL WAS FOUND IN EACH WING TANK. A CHECK OF THE ENG REVEALED A LACK OF COMPRESSION IN THE #3 CYLINDER DUE TO A BROKEN EXHAUST VALVE SPRING. NO OTHER PRE-ACDNT ANOMALIES WERE FND. THE PLT & PSGR WERE NOT WEARING THEIR AVAILABLE SHOULDER HARNESSES.
NTSB Probable Cause Narrative
A BROKEN EHAUST VALVE SPRING THAT RESULTED IN A PARTIAL LOSS OF POWER. FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS, LACK OF SUITABLE TERRAIN, AND FAILURE OF THE OCCUPANTS TO USE THEIR SHOULDER HARNESSES.
Event Information
| Type of Event | Accident |
| Event Date | 10/7/1990 |
| Event Day of the Week | Sunday |
| Time of Event | 2110 |
| Event Time Zone | Eastern Daylight Time |
| Event City | GRISWOLD |
| Event State | CONNECTICUT |
| Event Country | -- |
| Zipcode of the event site | 06374 |
| Event Date Year | 1990 |
| Event Date Month | 10 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | LAKE SIDE |
| Event Location Nearest Airport ID | 5B4 |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 6 |
| Degrees magnetic from airport | 50 |
| Airport Elevation | 207 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 2100 Eastern Daylight Time |
| Direction of event from weather observation facility (degrees) | 90 |
| Weather Observation Facility ID | GON |
| Elevation of weather observation facility | 10 |
| Distance of event from weather observation facility (units?) | 15 |
| Time Zone of the weather observation | edt |
| Lighting Conditions | Night/Dark |
| Lowest Ceiling Height | 10000 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Partial Obscuration |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 6 |
| Air Temperature at event time (in degrees celsius) | -- |
| Dew Point at event time (in degress fahrenheit) | -- |
| Wind Direction (degrees magnetic) | 150 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 5 |
| Wind Velocity Indicator | Light and Variable |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | -- |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Light |
| METAR weather report | -- |
| Event Highest Injury | Fatal |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| 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) | 2153 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Oct 8 1990 12:00AM |
| NTSB Notification Time | 1130 |
| Fiche Number and/or location -used to find docket information | 45222 |
| Date of most recent change to record | Dec 12 2000 5:29PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N4708M |
| NTSB Number | NYC91FA006 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | CESSNA |
| Aircraft Model | 152 |
| Aircraft Series Identifier | 152 |
| Aircraft Serial Number | 15284479 |
| Certified Max Gross Weight | 1670 |
| 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 | 2 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Apr 25 1989 12:00AM |
| Airframe hours since last inspection | 114 |
| Airframe Hours | 1683 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | Yes |
| ELT Type | -- |
| Aircraft Owner Name | SPENCE, DAVID A |
| Aircraft Owner Street Address | 1 PRESTON ROAD |
| Aircraft Owner City | JENETT CITY |
| Aircraft Owner State | |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 06351 |
| Operator is an individual? | -- |
| Operator Name | SPENCE, DAVID A. |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 1 PRESTON ROAD |
| Operator City | JEWETT CITY |
| Operator State | |
| Operator Country | |
| Operator Zip code | 06351 |
| 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) | Personal |
| Second Pilot on Board | No |
| Departure Point Same as Event | No |
| Departure Airport Code | 5B4 |
| Departure City | GRISWOLD |
| Departure State | |
| Departure Country | |
| Departure Time | 1945 |
| Departure Time Zone | edt |
| Destination Same as Local Flt | dest & departure same, accident can occur anywhere |
| Destination Airport Code | 5B4 |
| 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 10:35AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 29 |
| Runway Length | 2520 |
| Runway Width | 50 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |