Individually Owned: 151,845
Corporate Owned: 143,699
Kenai Muni Airport
Aircraft Accident/Incident Report
Kenai, Alaska 99611
Wednesday, December 23, 1987 6:11 AST
NTSB Narrative Summary Released at Completion of Accident
THE PILOT HAD JUST DEPARTED THE RUNWAY WHEN HE REPORTED TO THE FLIGHT SERVICE STATION THAT HE HAD ENGINE PROBLEMS. THE AIRCRAFT WAS OBSERVED BY WITNESSES TO BE ABOUT 300 FT ON A DESCENDING DOWNWIND. THE PILOT STATED THAT HE WAS CIRCLING FOR RUNWAY ONE. SURVIVING PASSENGERS DESCRIBED THE ENGINES AS RUNNING ROUGH AND UNEVEN. THE INVESTIGATION REVEALED THAT THE AIRCRAFT'S WEIGHT WAS MORE THAN THE PILOT HAD CALCULATED AND THE C.G. WAS 3.4 INCHES FURTHER AFT THAN WAS CALCULATED. HOWEVER, THE WEIGHT AND C.G. WERE WITHIN LIMITS.EXAMINATION OF THE ENGINE DISCLOSED THAT THE RIGHT ENGINE HAD AN EXTENSIVE CYLINDER HEAD CRACK, A PARTIALLY DISCONNECTED INTAKE PIPE, AND WAS CAPABLE OF PRODUCING 55% OF RATED POWER. THE LEFT ENGINE HAD SEVEN SEVERLY WORN CAM LOBES. THE RUDDER TRIM WAS DEFLECTED FULL LEFT AT IMPACT. THE EVIDENCEINDICATED THAT THE PILOT HAD RETARDED THE THROTTLE FOR THE LEFT ENGINE AND WAS USING ONLY THE RIGHT ENGINE TO SUSTAIN FLIGHT. EXAM OF COMPANY CHECKLIST USAGE REVEALED SEVERAL DIFFERENT IMPROPER VERSIONS.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 12/23/1987 |
| Event Day of the Week | Wednesday |
| Time of Event | 611 |
| Event Time Zone | Atlantic Standard Time |
| Event City | KENAI |
| Event State | ALASKA |
| Event Country | -- |
| Zipcode of the event site | 99611 |
| Event Date Year | 1987 |
| Event Date Month | 12 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | KENAI MUNI |
| Event Location Nearest Airport ID | EMA |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 1 |
| Degrees magnetic from airport | 250 |
| Airport Elevation | 92 |
| Weather Briefing Completeness | Full |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 600 Atlantic Standard Time |
| Direction of event from weather observation facility (degrees) | 70 |
| Weather Observation Facility ID | ENA |
| Elevation of weather observation facility | 92 |
| Distance of event from weather observation facility (units?) | 1 |
| Time Zone of the weather observation | AST |
| Lighting Conditions | Night/Dark |
| Lowest Ceiling Height | 1500 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Unknown |
| Sky Condition for Lowest Ceiling | Overcast |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 7 |
| Air Temperature at event time (in degrees celsius) | 1 |
| Dew Point at event time (in degress fahrenheit) | -2 |
| Wind Direction (degrees magnetic) | 20 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 8 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| Density Altitude (feet) | 200 |
| Intensity of Precipitation | Light |
| METAR weather report | -- |
| Event Highest Injury | Fatal |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 2 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | 6 |
| Injury Total Minor | 2 |
| Injury Total None | -- |
| Injury Total Serious | 2 |
| Injury Total All | 10 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 2618 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Dec 23 1987 12:00AM |
| NTSB Notification Time | 1000 |
| Fiche Number and/or location -used to find docket information | 38154 |
| Date of most recent change to record | Dec 13 2000 3:03PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N496SC |
| NTSB Number | DCA88MA011 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 135: Air Taxi & Commuter |
| Type of Flight Plan filed | IFR |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | Ground |
| Aircraft Explosion | Ground |
| Aircraft Manufacturer's Full Name | PIPER |
| Aircraft Model | PA-31-350 |
| Aircraft Series Identifier | PA-31-350 |
| Aircraft Serial Number | 31.7752077 |
| Certified Max Gross Weight | 7000 |
| 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 | 10 |
| Number of Engines | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | AAIP |
| Date of Last Inspection | Dec 16 1987 12:00AM |
| Airframe hours since last inspection | 45 |
| Airframe Hours | -- |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | Yes |
| ELT Type | -- |
| Aircraft Owner Name | SOUTH CENTRAL AIR, INC. |
| Aircraft Owner Street Address | 135 GRANITE POINT CT. |
| Aircraft Owner City | KENAI |
| Aircraft Owner State | AK |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 99611 |
| 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 | XE |
| Owner has at least one certificate | Yes - certificate holder |
| 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 | Scheduled |
| Indicates Domestic or International Flight | Domestic |
| Operator carrying Pax/Cargo/Mail | Passenger Only |
| 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 | 0 |
| Departure Time Zone | |
| Destination Same as Local Flt | -- |
| Destination Airport Code | ANC |
| Destination City | ANCHORAGE |
| Destination State | AK |
| Destination Country | |
| Specific Phase of Flight | Descent |
| 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 | 1 |
| Runway Length | 7600 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |