Individually Owned: 150,657
Corporate Owned: 137,281
N/A Airport
Aircraft Accident/Incident Report
Nightmute, Alaska 99690
Friday, September 2, 2011 13:35 AKD
NTSB Narrative Summary Released at Completion of Accident
A Cessna 208B and a Cessna 207 collided in flight in daylight visual meteorological conditions. The Cessna 208B and the Cessna 207 were both traveling in an easterly direction. According to the Cessna 207 pilot, the airplanes departed from two neighboring remote Alaskan villages about the same time, and both airplanes were flying along similar flight routes. While en route, the Cessna 207 pilot talked with the Cessna 208B pilot on a prearranged, discreet radio frequency, and the two agreed to meet up in flight for the return to their home airport. The Cessna 207 pilot said that the pilot of the Cessna 208B flew his airplane along the left side of her airplane while she was in level cruise flight at 1,200 feet mean sea level and that they continued to talk via the radio. Then, unexpectedly and unannounced, the pilot of the Cessna 208B maneuvered his airplane above and over the top of her airplane. She said that she immediately told the Cessna 208B pilot that she could not see him and that she was concerned about where he was. She said that the Cessna 208B pilot then said, in part: "Whatever you do, don't pitch up." The next thing she recalled was seeing the wings and cockpit of the descending Cessna 208B pass by the right side of her airplane, which was instantly followed by an impact with her airplane's right wing. She said that after the collision, the Cessna 208B passed underneath her airplane from right-to-left before beginning a gradual descent that steepened as the airplane continued to the left. It then entered a steep, vertical, nose-down descent before colliding with the tundra-covered terrain below followed by a postcrash fire. Unable to maintain level cruise flight, the Cessna 207 pilot selected an area of rolling, tundra-covered terrain as a forced landing site.
An examination of both airplanes revealed impact signatures consistent with the Cessna 208B's vertical stabilizer impacting the Cessna 207's right wing. A portion of crushed and distorted wreckage, identified as part of the Cessna 208B's vertical stabilizer assembly, was found embedded in the Cessna 207's right wing. The Cessna 208B's severed vertical stabilizer and rudder were found about 1,000 feet west of the Cessna 208B's crash site.
NTSB Probable Cause Narrative
The pilot's failure to maintain adequate clearance while performing an unexpected and unannounced abrupt maneuver, resulting in a midair collision between the two airplanes.
Event Information
| Type of Event | Accident |
| Event Date | 9/2/2011 |
| Event Day of the Week | Friday |
| Time of Event | 1335 |
| Event Time Zone | -- |
| Event City | Nightmute |
| Event State | ALASKA |
| Event Country | -- |
| Zipcode of the event site | 99690 |
| Event Date Year | 2011 |
| Event Date Month | 9 |
| MidAir Collision Indicator | Yes |
| On Ground Collision occurred ? | -- |
| Event Location Latitude | 603620N |
| Event Location Longitude | 1643555W |
| Event Location Airport | N/A |
| 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 | 1253 Atlantic Daylight Time |
| Direction of event from weather observation facility (degrees) | 90 |
| Weather Observation Facility ID | PAOO |
| Elevation of weather observation facility | 59 |
| Distance of event from weather observation facility (units?) | 12 |
| Time Zone of the weather observation | ADT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 1100 |
| Lowest Non-Ceiling Height | -- |
| Sky/Lowest/Cloud Conditions | -- |
| Sky Condition for Lowest Ceiling | Overcast |
| Visibility Runway Visual Range (Feet) | -- |
| Visibility Runway Visual Value (Statute Miles) | -- |
| Visibility (Statute Miles) | 10 |
| Air Temperature at event time (in degrees celsius) | 8 |
| Dew Point at event time (in degress fahrenheit) | 6 |
| Wind Direction (degrees magnetic) | 130 |
| Variable Wind Indicator | Wind direction could be determined |
| Wind Speed (knots) | 14 |
| Wind Velocity Indicator | -- |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | -- |
| Altimeter Setting at event time (in. Hg) | 29.84 |
| 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 | 1 |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 32020 |
| NTSB Notification Source | ANC FAA ROC |
| NTSB Notification Date | -- |
| NTSB Notification Time | -- |
| Fiche Number and/or location -used to find docket information | -- |
| Date of most recent change to record | Nov 7 2013 2:36PM |
| User who most recently changed record | stam |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
||
|---|---|---|
Aircraft #1 |
Aircraft #2 |
|
| Aircraft Registration Number | N207DR | N73789 |
| NTSB Number | ANC11FA091A | ANC11FA091B |
| Missing Aircraft Indicator | -- | -- |
| Federal Aviation Reg. Part | Part 135: Air Taxi & Commuter | Part 135: Air Taxi & Commuter |
| Type of Flight Plan filed | Company VFR | Company VFR |
| Flight plan Was Activated? | Yes | Yes |
| Damage | Destroyed | Substantial |
| Aircraft Fire | Ground | None |
| Aircraft Explosion | None | None |
| Aircraft Manufacturer's Full Name | CESSNA | CESSNA |
| Aircraft Model | 208B | T207A |
| Aircraft Series Identifier | -- | -- |
| Aircraft Serial Number | 208B0859 | 20700629 |
| Certified Max Gross Weight | -- | -- |
| Aircraft Category | Airplane | Airplane |
| Aircraft Registration Class | -- | -- |
| Aircraft is a homebuilt? | No | No |
| Flight Crew Seats | -- | -- |
| Cabin Crew Seats | -- | -- |
| Passenger Seats | -- | -- |
| Total number of seats on the aircraft | 12 | 8 |
| Number of Engines | 1 | 1 |
| Fixed gear or retractable gear | Fixed | Fixed |
| Aircraft, Type of Last Inspection | AAIP | AAIP |
| Date of Last Inspection | Aug 21 2011 12:00AM | Aug 3 2011 12:00AM |
| Airframe hours since last inspection | 46 | 47 |
| Airframe Hours | 8483 | 19563 |
| ELT Installed | Yes | Yes |
| ELT Activated | Yes | Yes |
| ELT Aided Location of Event Site | No | No |
| ELT Type | C126 | C91-A |
| Aircraft Owner Name | DESERT ROSE AVIAITON LLC | RYAN AIR INC |
| Aircraft Owner Street Address | 1733 KODIAK CIR | 5701 SILVERADO WAY UNIT L |
| Aircraft Owner City | RENO | ANCHORAGE |
| Aircraft Owner State | NV | AK |
| Aircraft Owner Country | USA | USA |
| Aircraft Owner Zipcode | 89511-3012 | 99518 |
| Operator is an individual? | No | No |
| Operator Name | Grant Aviation | RYAN AIR INC |
| Operator Same as Owner? | No | Yes |
| Operator Is Doing Business As | -- | -- |
| Operator Address Same as Owner? | No | Yes |
| Operator Street Address | P.O. Box 92200 | 5701 SILVERADO WAY UNIT L |
| Operator City | Anchorage | ANCHORAGE |
| Operator State | AK | AK |
| Operator Country | USA | USA |
| Operator Zip code | 99509 | 99518 |
| Operator Code | -- | -- |
| Owner has at least one certificate | Yes - certificate holder | Yes - certificate holder |
| 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 | Non-scheduled | Non-scheduled |
| Indicates Domestic or International Flight | Domestic | Domestic |
| Operator carrying Pax/Cargo/Mail | Cargo | Cargo |
| Type of Flying (Per_Bus / Primary) | -- | -- |
| Second Pilot on Board | No | No |
| Departure Point Same as Event | No | No |
| Departure Airport Code | OOK | 4AK |
| Departure City | Toksook Bay | Tununak |
| Departure State | AK | AK |
| Departure Country | USA | USA |
| Departure Time | 1330 | 1326 |
| Departure Time Zone | ADT | ADT |
| Destination Same as Local Flt | -- | -- |
| Destination Airport Code | BET | BET |
| Destination City | Bethel | Bethel |
| Destination State | AK | AK |
| Destination Country | USA | USA |
| Specific Phase of Flight | -- | -- |
| Report sent to ICAO? | -- | -- |
| Evacuation occurred | -- | -- |
| Date of most recent change to record | Nov 7 2013 2:33PM | Nov 7 2013 2:38PM |
| User who most recently changed record | stam | stam |
| Since inspection or accident | Last Inspection | Last Inspection |
| Event Location Runway Number and Location | N/A | N/A |
| Runway Length | -- | -- |
| Runway Width | -- | -- |
| Sight Seeing flight | No | No |
| Air Medical Flight | No | No |
| Medical Flight | -- | -- |