Individually Owned: 150,657
Corporate Owned: 137,281
Birchwood Airport
Aircraft Accident/Incident Report
Chugiak, Alaska 99567
Saturday, March 10, 2007 12:00 AST
NTSB Narrative Summary Released at Completion of Accident
The certificated flight instructor was providing primary flight instruction to the student pilot under Title 14, CFR Part 91, at the time of the accident. The flight instructor reported that while on final approach to land, he inadvertently allowed the student pilot to descend into a snow-covered area, about 40 feet short of the runway threshold. As the airplane's main wheels contacted an area of deep, hard packed snow, the airplane nosed down, and right wing struck the snow-covered terrain, sustaining substantial damage. The instructor noted that there were no preaccident mechanical anomalies with the airplane.
NTSB Probable Cause Narrative
The instructor pilot's inadequate supervision of the student while landing, which resulted in an undershoot, and subsequent in-flight collision with snow-covered terrain.
Event Information
| Type of Event | Accident |
| Event Date | 3/10/2007 |
| Event Day of the Week | Saturday |
| Time of Event | 1200 |
| Event Time Zone | Atlantic Standard Time |
| Event City | Chugiak |
| Event State | ALASKA |
| Event Country | -- |
| Zipcode of the event site | 99567 |
| Event Date Year | 2007 |
| Event Date Month | 3 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | 612400N |
| Event Location Longitude | 1493044W |
| Event Location Airport | Birchwood Airport |
| Event Location Nearest Airport ID | BCV |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | -- |
| Degrees magnetic from airport | -- |
| Airport Elevation | 96 |
| Weather Briefing Completeness | -- |
| Investigator's weather source | Pilot |
| Time of the weather observation | |
| Direction of event from weather observation facility (degrees) | -- |
| Weather Observation Facility ID | -- |
| Elevation of weather observation facility | -- |
| Distance of event from weather observation facility (units?) | -- |
| Time Zone of the weather observation | -- |
| Lighting Conditions | Day |
| Lowest Ceiling Height | -- |
| Lowest Non-Ceiling Height | -- |
| Sky/Lowest/Cloud Conditions | Clear |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | -- |
| Visibility Runway Visual Value (Statute Miles) | -- |
| Visibility (Statute Miles) | 10 |
| Air Temperature at event time (in degrees celsius) | -5 |
| Dew Point at event time (in degress fahrenheit) | -15 |
| Wind Direction (degrees magnetic) | -- |
| Variable Wind Indicator | -- |
| Wind Speed (knots) | -- |
| Wind Velocity Indicator | Calm |
| 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 | 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) | 21409 |
| NTSB Notification Source | ANC FAA, ROC |
| NTSB Notification Date | -- |
| NTSB Notification Time | -- |
| Fiche Number and/or location -used to find docket information | DMS |
| Date of most recent change to record | May 29 2007 12:24PM |
| User who most recently changed record | NTSB\lema |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N73813 |
| NTSB Number | ANC07CA023 |
| Missing Aircraft Indicator | -- |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | Company VFR |
| Flight plan Was Activated? | Yes |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | Cessna |
| Aircraft Model | 172 |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | 17267693 |
| Certified Max Gross Weight | 2550 |
| 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 | 4 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | -- |
| Date of Last Inspection | -- |
| Airframe hours since last inspection | -- |
| Airframe Hours | -- |
| ELT Installed | -- |
| ELT Activated | -- |
| ELT Aided Location of Event Site | -- |
| ELT Type | -- |
| Aircraft Owner Name | United States Air Force |
| Aircraft Owner Street Address | P.O. Box 292 |
| Aircraft Owner City | Elmendorf AFB |
| Aircraft Owner State | AK |
| Aircraft Owner Country | USA |
| Aircraft Owner Zipcode | 99506 |
| Operator is an individual? | No |
| Operator Name | Elmendorf Aero Club |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | P.O. Box 292 |
| Operator City | Elmendorf AFB |
| Operator State | AK |
| Operator Country | USA |
| Operator Zip code | 99506 |
| Operator Code | -- |
| Owner has at least one certificate | None |
| Other Operator of large aircraft? | -- |
| 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) | Instructional |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | No |
| Departure Airport Code | EDF |
| Departure City | ANCHORAGE |
| Departure State | AK |
| Departure Country | USA |
| Departure Time | 1130 |
| Departure Time Zone | AST |
| Destination Same as Local Flt | crash at destination city |
| Destination Airport Code | BCV |
| Destination City | Chugiak |
| Destination State | AK |
| Destination Country | USA |
| Specific Phase of Flight | Approach - VFR pattern - final approach |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Mar 22 2007 7:24PM |
| User who most recently changed record | LABJ |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 19R |
| Runway Length | 4010 |
| Runway Width | 100 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |