Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Hyannis, Nebraska 69350
Wednesday, September 20, 1989 20:30 MST
NTSB Narrative Summary Released at Completion of Accident
THE PILOT RECEIVED A COMPLETE WEATHER BRIEFING FOR HIS INTENDED ROUTE OF FLIGHT. THE BRIEFING INCLUDED WARNING ADVISORIES AFFECTING HIS INTENDED ROUTE. THE PILOT FILED A VFR FLIGHT PLAN; HOWEVER, HE ENCOUNTERED MARGINAL WX CONDITIONS AT NIGHT WITH HEAVY RAIN. HE ELECTED TO MAKE A 180 DEGREE TURN AND LAND AT A NEARBY AIRPORT. HE SAID HE LEANED FORWARD TO LOOK AT THE MAGNETIC COMPASS, BUT COULD NOT REMEMBER ANYTHING FURTHER ABOUT THE FLIGHT. AN INVESTIGATION REVEALED THE AIRCRAFT HAD DESCENDED & COLLIDED WITH THE TERRAIN.
NTSB Probable Cause Narrative
FAILURE OF THE PILOT TO MAINTAIN SUFFICIENT ALTITUDE. DARKNESS AND ADVERSE WEATHER CONDITIONS WERE RELATED FACTORS.
Event Information
| Type of Event | Accident |
| Event Date | 9/20/1989 |
| Event Day of the Week | Wednesday |
| Time of Event | 2030 |
| Event Time Zone | Mountain Standard Time |
| Event City | HYANNIS |
| Event State | NEBRASKA |
| Event Country | -- |
| Zipcode of the event site | 69350 |
| Event Date Year | 1989 |
| Event Date Month | 9 |
| 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 | Full |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 2150 Mountain Standard Time |
| Direction of event from weather observation facility (degrees) | 330 |
| Weather Observation Facility ID | CDR |
| Elevation of weather observation facility | 3296 |
| Distance of event from weather observation facility (units?) | 82 |
| Time Zone of the weather observation | MST |
| Lighting Conditions | Night/Dark |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Unknown |
| Sky Condition for Lowest Ceiling | Overcast |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 0 |
| Air Temperature at event time (in degrees celsius) | 11 |
| Dew Point at event time (in degress fahrenheit) | 11 |
| Wind Direction (degrees magnetic) | 340 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 12 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | 4107 |
| Intensity of Precipitation | Moderate |
| METAR weather report | -- |
| Event Highest Injury | Serious |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | 1 |
| Injury Total None | -- |
| Injury Total Serious | 2 |
| Injury Total All | 3 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1546 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Sep 20 1989 12:00AM |
| NTSB Notification Time | 2300 |
| Fiche Number and/or location -used to find docket information | 39887 |
| Date of most recent change to record | Dec 13 2000 1:04PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Instrument Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N733FY |
| NTSB Number | MKC89FA197 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 135: Air Taxi & Commuter |
| Type of Flight Plan filed | VFR |
| Flight plan Was Activated? | -- |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | CESSNA |
| Aircraft Model | 172N |
| Aircraft Series Identifier | 172N |
| Aircraft Serial Number | 17268272 |
| Certified Max Gross Weight | 2300 |
| 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 | 4 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Aug 31 1989 12:00AM |
| Airframe hours since last inspection | 47 |
| Airframe Hours | 1898 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | ALLIANCE AERO SERVICE INC. |
| Aircraft Owner Street Address | RT. 2 BOX 115 |
| Aircraft Owner City | ALLIANCE |
| Aircraft Owner State | NE |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 69301 |
| Operator is an individual? | -- |
| Operator Name | |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | |
| Operator City | |
| Operator State | |
| Operator Country | |
| Operator Zip code | |
| Operator Code | |
| Owner has at least one certificate | None |
| 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 | Passenger Only |
| Type of Flying (Per_Bus / Primary) | Unknown |
| Second Pilot on Board | No |
| Departure Point Same as Event | No |
| Departure Airport Code | OLU |
| Departure City | COLUMBUS |
| Departure State | NE |
| Departure Country | |
| Departure Time | 1724 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | AIA |
| Destination City | ALLIANCE |
| Destination State | NE |
| 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 | -- |