Individually Owned: 150,657
Corporate Owned: 137,281
Seattle-Tacoma Intl Airport
Aircraft Accident/Incident Report
Seattle, Washington 98168
Friday, April 15, 1988 18:32 PDT
NTSB Narrative Summary Released at Completion of Accident
SHORTLY AFTER TKOF FROM SEATTLE-TACOMA INTL AIRPORT, THE CREW NOTED A RT ENG POWER LOSS AND DECIDED TO RETURN FOR A PRECAUTIONARY LNDG. AFTER LOWERING THE LNDG GEAR, A MASSIVE FIRE WAS DISCOVERED IN THE RT ENG NACELLE. AFTER LNDG, DIRECTIONAL CONTROL AND ALL BRAKING WAS LOST. THE ACFT DEPARTED THE LEFT SIDE OF THE RWY 16L AFTER THE LEFT POWER LEVER WAS MOVED TO FLT IDLE. THE F/O ADVISED TWR THAT THE ACFT WAS OUT OF CONTROL. THE ACFT ROLLED ONTO THE RAMP AREA WHERE IT STRUCK A RWY DESIGNATOR SIGN, GROUND EQUIPMENT, AND JETWAYS B7 AND B9. THE ACFT WAS SUBSEQUENTLY DESTROYED BY FIRE. INVESTIGATION REVEALED THAT DURING OVERHAUL THE HIGH PRESSURE FUEL FILTER COVER WAS IMPROPERLY INSTALLED ON THE ENG AND THE IMPROPER INSTALLATION WAS NOT DISCOVERED DRG COMPANY INSTALLATION OF THE ENG ON THE ACFT. THIS LED TO A MASSIVE FUELLEAK AND THE NACELLE FIRE. THE FIRE/EXPLOSION CAUSED THE LOSS OF THE ENG PANELS, REDUCING THE EFFECTIVENESS OF THE FIRE SUPPRESSION SYSTEM AND ALLOWING OTHER SYSTEMS TO BE DAMAGED. (FOR FURTHER INFORMATION-SEE NTSB/AAR-89/02.)
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 4/15/1988 |
| Event Day of the Week | Friday |
| Time of Event | 1832 |
| Event Time Zone | Pacific Daylight Time |
| Event City | SEATTLE |
| Event State | WASHINGTON |
| Event Country | -- |
| Zipcode of the event site | 98168 |
| Event Date Year | 1988 |
| Event Date Month | 4 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | SEATTLE-TACOMA INTL |
| Event Location Nearest Airport ID | SER |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | 0 |
| Degrees magnetic from airport | 0 |
| Airport Elevation | 429 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| 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 | 2800 |
| Lowest Non-Ceiling Height | 2300 |
| Sky/Lowest/Cloud Conditions | Scattered |
| 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) | -- |
| Dew Point at event time (in degress fahrenheit) | -- |
| Wind Direction (degrees magnetic) | 240 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 8 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | -- |
| 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 | 27 |
| Injury Total None | 9 |
| Injury Total Serious | 4 |
| Injury Total All | 31 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 401 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Apr 15 1988 12:00AM |
| NTSB Notification Time | 2200 |
| Fiche Number and/or location -used to find docket information | 35626 |
| Date of most recent change to record | Dec 13 2000 11:40AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N819PH |
| NTSB Number | DCA88MA052 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 121: Air Carrier |
| Type of Flight Plan filed | IFR |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | In-flight |
| Aircraft Explosion | In-flight |
| Aircraft Manufacturer's Full Name | de Havilland |
| Aircraft Model | DHC-8 |
| Aircraft Series Identifier | DHC-8 |
| Aircraft Serial Number | 061 |
| Certified Max Gross Weight | 34500 |
| 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 | 40 |
| Number of Engines | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Continuous Airworthiness |
| Date of Last Inspection | Apr 10 1989 12:00AM |
| Airframe hours since last inspection | -- |
| Airframe Hours | 3106 |
| ELT Installed | No |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | HORISON AIR, INC |
| Aircraft Owner Street Address | 5551 N.E. CORNFOOT RD. |
| Aircraft Owner City | PORTLAND |
| Aircraft Owner State | OR |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 97218 |
| Operator is an individual? | -- |
| Operator Name | HORIZON AIR |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 19521 PACIFIC HWY. SOUTH |
| Operator City | SEATTLE |
| Operator State | WA |
| Operator Country | |
| Operator Zip code | 98188 |
| Operator Code | |
| 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 | Yes |
| Departure Point Same as Event | Yes |
| Departure Airport Code | |
| Departure City | |
| Departure State | |
| Departure Country | |
| Departure Time | 1825 |
| Departure Time Zone | PDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | GEG |
| Destination City | SPOKANE |
| Destination State | WA |
| Destination Country | |
| Specific Phase of Flight | Landing |
| 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 | 16L |
| Runway Length | 11400 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |