Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Port Alsworth, Alaska 99653
Friday, September 21, 2012 9:30 AKD
NTSB Narrative Summary Released at Completion of Accident
The pilot was departing from a mountain ridgeline in gusting wind conditions. He said that he started the takeoff in what he estimated was a 5- to 10-knot headwind. At liftoff, a gust of wind raised the right wing, and the left wing struck the ground, which pivoted the airplane to the left. The airplane then continued over the ridgeline, traveled downhill, nosed over, and came to rest inverted. The airplane sustained substantial damage to both wings and the fuselage. There were no reported preaccident mechanical problems with the airplane that would have precluded normal operations.
NTSB Probable Cause Narrative
The pilot's loss of directional control during takeoff in gusting wind conditions from an off-airport site, which resulted in a collision with terrain and a nose over.
Event Information
| Type of Event | Accident |
| Event Date | 9/21/2012 |
| Event Day of the Week | Friday |
| Time of Event | 930 |
| Event Time Zone | -- |
| Event City | Port Alsworth |
| Event State | ALASKA |
| Event Country | -- |
| Zipcode of the event site | 99653 |
| Event Date Year | 2012 |
| Event Date Month | 9 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | 600819N |
| Event Location Longitude | 1542208W |
| 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 | Unknown |
| Time of the weather observation | 853 Atlantic Daylight Time |
| Direction of event from weather observation facility (degrees) | 30 |
| Weather Observation Facility ID | PALJ |
| Elevation of weather observation facility | 288 |
| Distance of event from weather observation facility (units?) | 5 |
| Time Zone of the weather observation | ADT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 10000 |
| Lowest Non-Ceiling Height | -- |
| Sky/Lowest/Cloud Conditions | Thin Broken |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | -- |
| Visibility Runway Visual Value (Statute Miles) | -- |
| Visibility (Statute Miles) | 25 |
| Air Temperature at event time (in degrees celsius) | 8 |
| Dew Point at event time (in degress fahrenheit) | 7 |
| Wind Direction (degrees magnetic) | 90 |
| Variable Wind Indicator | Wind direction could be determined |
| Wind Speed (knots) | 10 |
| Wind Velocity Indicator | -- |
| Wind Gust Indicator | Gusting |
| Wind Gust (knots) | 20 |
| Altimeter Setting at event time (in. Hg) | 29.74 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | -- |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 2 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 30684 |
| NTSB Notification Source | FAA Anchorage, ROC |
| NTSB Notification Date | -- |
| NTSB Notification Time | -- |
| Fiche Number and/or location -used to find docket information | -- |
| Date of most recent change to record | Oct 28 2012 1:29AM |
| User who most recently changed record | stam |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N3802Z |
| NTSB Number | ANC12CA110 |
| Missing Aircraft Indicator | -- |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | -- |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | PIPER |
| Aircraft Model | PA-18-150 |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | 18-7535 |
| Certified Max Gross Weight | 1750 |
| Aircraft Category | Airplane |
| Aircraft Registration Class | -- |
| Aircraft is a homebuilt? | No |
| Flight Crew Seats | -- |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | 2 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Oct 29 2011 12:00AM |
| Airframe hours since last inspection | -- |
| Airframe Hours | 5373 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | Yes |
| ELT Type | C91-A |
| Aircraft Owner Name | ALSWORTH ANTHONY R |
| Aircraft Owner Street Address | -- |
| Aircraft Owner City | PORT ALSWORTH |
| Aircraft Owner State | AK |
| Aircraft Owner Country | USA |
| Aircraft Owner Zipcode | 99653 |
| Operator is an individual? | No |
| Operator Name | ALSWORTH ANTHONY R |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | -- |
| Operator City | PORT ALSWORTH |
| Operator State | AK |
| Operator Country | USA |
| Operator Zip code | 99653 |
| 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 | Yes |
| Departure Airport Code | -- |
| Departure City | Port Alsworth |
| Departure State | AK |
| Departure Country | USA |
| Departure Time | -- |
| Departure Time Zone | ADT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | PALJ |
| Destination City | Port Alsworth |
| Destination State | AK |
| Destination Country | USA |
| Specific Phase of Flight | -- |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Oct 28 2012 1:29AM |
| User who most recently changed record | stam |
| Since inspection or accident | Time of Accident |
| Event Location Runway Number and Location | N/A |
| Runway Length | -- |
| Runway Width | -- |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |