Individually Owned: 150,657
Corporate Owned: 137,281
Cheyenne Airport
Aircraft Accident/Incident Report
Cheyenne, Wyoming 82001
Wednesday, May 30, 1984 20:00 MDT
NTSB Narrative Summary Released at Completion of Accident
BEFORE THE FLIGHT THE PILOT OBTAINED A WEATHER BRIEFING AND WAS INFORMED OF AN APPROACHING THUNDERSTORM WHICH WAS 10 MILES NORTHWEST OF THE AIRPORT. THE PILOT STATED THAT AFTER A NORMAL TAKEOFF HE CLIMED TO A ALTITUDE OF ABOUT 250 FT AGL, AT 70 KIAS, WHEN HE EXPERIENCED MODERATE TURBULENCE AND THE CLIMB LEVELED OFF. THE PLT THEN CHECKED THE ALTIMETER AND VERTICAL SPEED INDICATOR WHICH HE SAID INDICATED A DESCENT EVEN THOUGH HIS AIRSPEED AND ATTITUDE INDICATED THE ACFT SHOULD BE CLIMBING. UNABLE TO ARREST THE DESCENT, THE ACFT SETTLED INTO AN OPEN FIELD. THE REPORTED CHEYENNE WINDS AT 1959 MDT WERE FROM 340 DEGREES AT 25 KTS GUSTING TO 38 KTS. AT 2052 MDT THE WINDS WERE REPORTED TO BE FROM 020 DEGREES AT 8 KTS. THE THUNDERSTORM WHICH PASSED OVER CHEYENNE AT 1907 MDT WAS REPORTED TO BE A STORM OF LEVEL 1 INTENSITY. THE ELEVATION OFTHE ARPT WAS 6156 FT.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 5/30/1984 |
| Event Day of the Week | Wednesday |
| Time of Event | 2000 |
| Event Time Zone | Mountain Daylight Time |
| Event City | CHEYENNE |
| Event State | WYOMING |
| Event Country | -- |
| Zipcode of the event site | 82001 |
| Event Date Year | 1984 |
| Event Date Month | 5 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | CHEYENNE |
| Event Location Nearest Airport ID | CYS |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 1 |
| Degrees magnetic from airport | 300 |
| Airport Elevation | 150 |
| Weather Briefing Completeness | Full |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1955 Mountain Daylight Time |
| Direction of event from weather observation facility (degrees) | 120 |
| Weather Observation Facility ID | CYS |
| Elevation of weather observation facility | 6156 |
| Distance of event from weather observation facility (units?) | 1 |
| Time Zone of the weather observation | MDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 8000 |
| Lowest Non-Ceiling Height | 8000 |
| Sky/Lowest/Cloud Conditions | Unknown |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 60 |
| Air Temperature at event time (in degrees celsius) | 23 |
| Dew Point at event time (in degress fahrenheit) | 0 |
| Wind Direction (degrees magnetic) | 340 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 25 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 38 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | 8667 |
| Intensity of Precipitation | Light |
| METAR weather report | -- |
| Event Highest Injury | Minor |
| 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 | 3 |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 887 |
| NTSB Notification Source | -- |
| NTSB Notification Date | -- |
| NTSB Notification Time | 0 |
| Fiche Number and/or location -used to find docket information | 24622 |
| Date of most recent change to record | Jan 2 2001 9:15AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N73561 |
| NTSB Number | DEN84LA165 |
| Missing Aircraft Indicator | N |
| 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 | CESSNA |
| Aircraft Model | 172M |
| Aircraft Series Identifier | 172M |
| Aircraft Serial Number | 17267540 |
| 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 | Apr 21 1984 12:00AM |
| Airframe hours since last inspection | 507 |
| Airframe Hours | 765 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | DIVERSITY INVESTMENTS |
| Aircraft Owner Street Address | 725 MARKET |
| Aircraft Owner City | WILMINGTON |
| Aircraft Owner State | DE |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 19801 |
| Operator is an individual? | -- |
| Operator Name | CHEMAIRE CORP |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | P O BOX 551 |
| Operator City | BRUSH |
| Operator State | CO |
| Operator Country | |
| Operator Zip code | 80723 |
| Operator Code | |
| Owner has at least one certificate | Yes - certificate holder |
| 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 | -- |
| Indicates Domestic or International Flight | -- |
| Operator carrying Pax/Cargo/Mail | -- |
| Type of Flying (Per_Bus / Primary) | Instructional |
| Second Pilot on Board | No |
| Departure Point Same as Event | Yes |
| Departure Airport Code | |
| Departure City | |
| Departure State | |
| Departure Country | |
| Departure Time | 2000 |
| Departure Time Zone | MDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | 7V5 |
| Destination City | BRUSH |
| Destination State | CO |
| Destination Country | |
| Specific Phase of Flight | Descent |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:36AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 30 |
| Runway Length | 6691 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |