Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Des Moines, Washington 98188
Sunday, December 29, 1985 18:13 PST
NTSB Narrative Summary Released at Completion of Accident
THE WEATHER BRIEFER INFORMED THE PILOT THAT VFR WAS NOT RECOMMENDED DUE TO CURRENT/FORECAST CONDTIONS. THE NON INSTRUMENT RATED PILOT THEN FILED A VFR FLIGHT PLAN RESPONDING THAT HE WAS IFR RATED AND WOULD FILE INFLIGHT IF NECESSARY. WITNESSES REPORTED OBSERVING THE AIRCRAFT CRUISING NORTHBOUND OVER I-5 AT A MODERATE SPEED AND LOW ALTITUDE BENEATH THE CLOUDS. WEATHER CONDITIONS IN THE VICINITY OF THE ACCIDENT SITE WERE DESCRIBED AS 300 FOOT CEILING AND 1 MILE VISIBILITY. DARK NIGHT CONDITIONS EXISTED WHEN THE AIRCRAFT STRUCK POWER LINE 75 FEET ABOVE THE I-5 MEDIAN AND 6 NAUTICAL MILES SOUTH OF THE DESTINATION AIRPORT. IN SPITE OF DETERIORATING WEATHER CONDITIONS THE PILOT MADE NO ATTEMPT TO DIVERT ALONG HIS ROUTE OF FLIGHT TO A MORE FAVORABLE DESTINATION. AN ENTRY REFERRING TO 'SCUD FLYING' WAS NOTED IN THE PILOT'S LOGBOOK.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 12/29/1985 |
| Event Day of the Week | Sunday |
| Time of Event | 1813 |
| Event Time Zone | Pacific Standard Time |
| Event City | DES MOINES |
| Event State | WASHINGTON |
| Event Country | -- |
| Zipcode of the event site | 98188 |
| Event Date Year | 1985 |
| Event Date Month | 12 |
| 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 | 0 |
| Weather Briefing Completeness | Full |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1747 Pacific Standard Time |
| Direction of event from weather observation facility (degrees) | 144 |
| Weather Observation Facility ID | SEA |
| Elevation of weather observation facility | 429 |
| Distance of event from weather observation facility (units?) | 2 |
| Time Zone of the weather observation | PST |
| Lighting Conditions | Night/Dark |
| Lowest Ceiling Height | 300 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Unknown |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 1 |
| Air Temperature at event time (in degrees celsius) | 5 |
| Dew Point at event time (in degress fahrenheit) | 4 |
| Wind Direction (degrees magnetic) | 260 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 4 |
| 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 | 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 | 4 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 4 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 2093 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Dec 29 1985 12:00AM |
| NTSB Notification Time | 1843 |
| Fiche Number and/or location -used to find docket information | 29489 |
| Date of most recent change to record | Jan 2 2001 9:15AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Instrument Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N1152T |
| NTSB Number | SEA86FA033 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | VFR |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | Mooney |
| Aircraft Model | M20K |
| Aircraft Series Identifier | M20K |
| Aircraft Serial Number | 250630 |
| Certified Max Gross Weight | 2900 |
| 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 | 1 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | 100 Hour |
| Date of Last Inspection | Dec 9 1985 12:00AM |
| Airframe hours since last inspection | 81 |
| Airframe Hours | 1052 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | HORST E. LUX |
| Aircraft Owner Street Address | 7710 SOUTH 120TH STREET |
| Aircraft Owner City | SEATTLE |
| Aircraft Owner State | WA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 98178 |
| Operator is an individual? | -- |
| Operator Name | SUNWEST AVIATION, INC. |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | |
| Operator City | EVERETT |
| Operator State | WA |
| Operator Country | |
| Operator Zip code | 98204 |
| 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 | Yes |
| Departure Point Same as Event | No |
| Departure Airport Code | HIO |
| Departure City | HILLSBORO |
| Departure State | OR |
| Departure Country | |
| Departure Time | 1712 |
| Departure Time Zone | PST |
| Destination Same as Local Flt | -- |
| Destination Airport Code | BFI |
| Destination City | SEATLE |
| Destination State | WA |
| 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 | 0 |
| Runway Width | 0 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |