Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Milford, Utah 84050
Saturday, February 26, 2011 17:30 MST
NTSB Narrative Summary Released at Completion of Accident
The pilot, who was not instrument rated, intended to fly to his destination while remaining in visual meteorological conditions (VMC). While en route, he entered an area where the clouds started to close in on him. Although the air traffic controller whom he was communicating with advised the pilot that there was an airport with VMC a short distance behind him, the pilot elected to attempt to proceed to his destination. As he continued, weather conditions became such that the pilot elected to land at an alternate airport. While being vectored to the alternate airport, the airplane's engine began to run rough, which, according to recorded engine analyzer data, was due to a restriction of the fuel flow in the orifice of the no. 1 cylinder injector nozzle. While attempting to deal with the rough running engine and maneuvering toward the alternate airport, the pilot inadvertently entered the clouds, and most likely lost control of the airplane due to spatial disorientation. The airplane then descended near vertically into the terrain. There was no record of the pilot receiving a weather briefing either from an FAA-contracted Flight Service Station or from either Direct User Access Terminal Service (DUATS) provider.
NTSB Probable Cause Narrative
The pilot's loss of control of the airplane due to spatial disorientation after inadvertently entering instrument meteorological conditions. Contributing to the accident were the pilot's inadequate preflight preparation, his en route decision-making, and his distraction due to a partial loss of engine power due to a restriction in a fuel injection nozzle.
Event Information
| Type of Event | Accident |
| Event Date | 2/26/2011 |
| Event Day of the Week | Saturday |
| Time of Event | 1730 |
| Event Time Zone | Mountain Standard Time |
| Event City | Milford |
| Event State | UTAH |
| Event Country | -- |
| Zipcode of the event site | 84050 |
| Event Date Year | 2011 |
| Event Date Month | 2 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | 382627N |
| Event Location Longitude | 1130713W |
| 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 | -- |
| Degrees magnetic from airport | -- |
| Airport Elevation | -- |
| Weather Briefing Completeness | -- |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1706 Pacific Standard Time |
| Direction of event from weather observation facility (degrees) | 135 |
| Weather Observation Facility ID | KMLF |
| Elevation of weather observation facility | 5040 |
| Distance of event from weather observation facility (units?) | 5 |
| Time Zone of the weather observation | PST |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 400 |
| Lowest Non-Ceiling Height | -- |
| Sky/Lowest/Cloud Conditions | -- |
| Sky Condition for Lowest Ceiling | Obscured |
| Visibility Runway Visual Range (Feet) | -- |
| Visibility Runway Visual Value (Statute Miles) | -- |
| Visibility (Statute Miles) | 0 |
| Air Temperature at event time (in degrees celsius) | -3 |
| Dew Point at event time (in degress fahrenheit) | -4 |
| Wind Direction (degrees magnetic) | 350 |
| Variable Wind Indicator | Wind direction could be determined |
| Wind Speed (knots) | 12 |
| Wind Velocity Indicator | -- |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | -- |
| Altimeter Setting at event time (in. Hg) | 29.52 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | -- |
| METAR weather report | -- |
| Event Highest Injury | Fatal |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| 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) | 29737 |
| NTSB Notification Source | FAA Operations Center |
| NTSB Notification Date | -- |
| NTSB Notification Time | -- |
| Fiche Number and/or location -used to find docket information | -- |
| Date of most recent change to record | Apr 4 2012 1:36PM |
| User who most recently changed record | johb |
| Basic weather conditions | Instrument Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N989TT |
| NTSB Number | WPR11FA147 |
| Missing Aircraft Indicator | -- |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | No |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | Neefjes |
| Aircraft Model | Lancair 360 MK-II |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | 728320571FB |
| Certified Max Gross Weight | 1790 |
| Aircraft Category | Airplane |
| Aircraft Registration Class | -- |
| Aircraft is a homebuilt? | Yes |
| Flight Crew Seats | 1 |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | -- |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Conditional |
| Date of Last Inspection | Jul 20 2010 12:00AM |
| Airframe hours since last inspection | 67 |
| Airframe Hours | 185 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | C126 |
| Aircraft Owner Name | MNCERRITOS LLC |
| Aircraft Owner Street Address | -- |
| Aircraft Owner City | ROLLING HILLS ESTATES |
| Aircraft Owner State | CA |
| Aircraft Owner Country | USA |
| Aircraft Owner Zipcode | 90274 |
| Operator is an individual? | No |
| Operator Name | Allen E. Layton |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | -- |
| Operator City | Rolling Hills Estates |
| Operator State | CA |
| Operator Country | USA |
| Operator Zip code | 90274 |
| Operator Code | -- |
| Owner has at least one certificate | None |
| Other Operator of large aircraft? | No |
| Certified for Part 133 or 137 Operation | -- |
| 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 | KGJT |
| Departure City | Grand Junction |
| Departure State | CO |
| Departure Country | USA |
| Departure Time | 1550 |
| Departure Time Zone | HST |
| Destination Same as Local Flt | -- |
| Destination Airport Code | KCHD |
| Destination City | Chandler |
| Destination State | AZ |
| Destination Country | USA |
| Specific Phase of Flight | -- |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Mar 23 2012 6:31PM |
| User who most recently changed record | stam |
| Since inspection or accident | Time of Accident |
| Event Location Runway Number and Location | -- |
| Runway Length | -- |
| Runway Width | -- |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |