Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Lester, Washington 98051
Friday, December 25, 1992 21:37 PST
NTSB Narrative Summary Released at Completion of Accident
AFTER DEPARTURE, THE AIRPLANE INTERCEPTED AIRWAY V-2, AND APPEARED TO CLIMB NORMALLY UNTIL REACHING 8300 FT (9000 ASSIGNED) WHILE TRACKING APRX 110 DEG MAG. RADAR ANALYSIS SHOWED THE AIRPLANE AT 128 KIAS WHEN IT ABRUPTLY TURNED LEFT 30 DEG AND THEN APPEARED TO RECOVER. VOICE COMMUNICATION DURING THIS EVENT WAS NORMAL WITH NO CHANGE IN THE PILOT'S LEVEL OF ANXIETY. IMMEDIATELY THEREAFTER, THE HEADING CHANGED OVER 90 DEG TO THE LEFT (NORTHBOUND), AND A MAXIMUM 6750 FPM RATE OF DESCENT DEVELOPED BEFORE THE HEADING STABILIZED AND THE DESCENT SLOWED. THE AIRPLANE'S GROUND IMPACT SITE WAS APRX 1 NM SW OF THE LAST RADAR TARGET. WRECKAGE DISTRIBUTION WAS ROUGHLY PARALLEL TO V-2. THE AIRPLANE IMPACTED THE MOUNTAINSIDE IN A STEEP NOSE LOW, LEFT WING DOWN ATTITUDE. THE ENGINES, PROPELLERS/GOVERNORS WERE DISASSEMBLED AND INSPECTED WITH NO EVIDENCE OF MECHANICAL MALFUNCTION. EXAM OF THE LEFT PROPELLER INDICATED LOW POWER ON IMPACT. THERE WAS NO EVIDENCE OF SIGNIFICANT ICING/TURBULENCE.
NTSB Probable Cause Narrative
UNDETERMINED.
Event Information
| Type of Event | Accident |
| Event Date | 12/25/1992 |
| Event Day of the Week | Friday |
| Time of Event | 2137 |
| Event Time Zone | Pacific Standard Time |
| Event City | LESTER |
| Event State | WASHINGTON |
| Event Country | -- |
| Zipcode of the event site | 98051 |
| Event Date Year | 1992 |
| 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 | -- |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 2150 Pacific Standard Time |
| Direction of event from weather observation facility (degrees) | 268 |
| Weather Observation Facility ID | SEA |
| Elevation of weather observation facility | 429 |
| Distance of event from weather observation facility (units?) | 35 |
| Time Zone of the weather observation | PST |
| Lighting Conditions | Night/Dark |
| Lowest Ceiling Height | 900 |
| Lowest Non-Ceiling Height | 900 |
| 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) | 4 |
| Air Temperature at event time (in degrees celsius) | 4 |
| Dew Point at event time (in degress fahrenheit) | 3 |
| Wind Direction (degrees magnetic) | 180 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 11 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| 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 | 1 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1041 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Dec 25 1992 12:00AM |
| NTSB Notification Time | 2317 |
| Fiche Number and/or location -used to find docket information | 52860 |
| Date of most recent change to record | Dec 11 2000 3:30PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Unknown |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N111MN |
| NTSB Number | SEA93FA046 |
| 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 | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | AERO COMMANDER |
| Aircraft Model | 680FL |
| Aircraft Series Identifier | 680FL |
| Aircraft Serial Number | 1806-150 |
| Certified Max Gross Weight | 8500 |
| 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 | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | AAIP |
| Date of Last Inspection | Dec 1 1992 12:00AM |
| Airframe hours since last inspection | 42 |
| Airframe Hours | 11219 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | Yes |
| ELT Type | -- |
| Aircraft Owner Name | CORPORATE AIR |
| Aircraft Owner Street Address | PO BOX 30998 |
| Aircraft Owner City | BILLINGS |
| Aircraft Owner State | MT |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 591070998 |
| Operator is an individual? | -- |
| Operator Name | CORPORATE AIR |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | PO BOX 30998 |
| Operator City | BILLINGS |
| Operator State | MT |
| Operator Country | |
| Operator Zip code | 591070998 |
| Operator Code | HSYA |
| 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 | Non-scheduled |
| Indicates Domestic or International Flight | Domestic |
| Operator carrying Pax/Cargo/Mail | |
| Type of Flying (Per_Bus / Primary) | Unknown |
| Second Pilot on Board | No |
| Departure Point Same as Event | No |
| Departure Airport Code | SEA |
| Departure City | SEATTLE |
| Departure State | WA |
| Departure Country | |
| Departure Time | 2121 |
| Departure Time Zone | PST |
| Destination Same as Local Flt | -- |
| Destination Airport Code | GEG |
| Destination City | SPOKANE |
| 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 10:35AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 0 |
| Runway Length | -- |
| Runway Width | -- |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |