Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Abilene, Texas 79602
Wednesday, November 7, 1990 11:40 CST
NTSB Narrative Summary Released at Completion of Accident
THE IFR FLIGHT DEPARTED INTO OVERCAST CONDITIONS AND CLIMBED TO 4000 FEET MSL. THE FLIGHT ENCOUNTERED SEVERE TURBULENCE AND THE PLANE ENTERED A 3000 FOOT PER MINUTE RATE OF DESCENT. THE RIGHT PASSENGER DOOR AND THE LEFT EMERGENCY EXIT SEPARATED FROM THE PLANE, CAUSING DAMAGE TO THE RIGHT ENGINE NACELLE AND WING SURFACE. THE PILOT PULLED UP ABRUPTLY AND LEVELED THE WINGS. THE PLANE 'BROKE OUT' AT 2,500 MSL FEET, WITH WINGS LEVEL AND 'UNDER CONTROL.' ELECTRIC POWER WAS OFF AND THE PILOT FLEW BACK TO THE AIRPORT, LANDED, AND TAXIED TO PARKING WITHOUT FURTHER INCIDENT. THE RIGHT WING WAS CRUSHED AT THE ENGINE NACELLE, THE NACELLE WAS DENTED, BOTH WINGS WERE DISTORTED AND WRINKLED ON UPPER AND LOWER SURFACES. THE PILOT THOUGHT THE DOOR PROBABLY WAS NOT FULLY LATCHED DURING THE FLIGHT AND THE TURBULENCE MADE HIS LEG HIT THE MASTER SWITCH, TURNING OFF THE POWER. THE AREA FORECAST WARNED OF MODERATE TURBULENCE BELOW 10,000 FEET.
NTSB Probable Cause Narrative
AN IN FLIGHT ENCOUNTER WITH TURBULENCE. FACTORS WERE THE PILOT'S INADEQUATE AIRCRAFT PREFLIGHT.
Event Information
| Type of Event | Accident |
| Event Date | 11/7/1990 |
| Event Day of the Week | Wednesday |
| Time of Event | 1140 |
| Event Time Zone | Central Standard Time |
| Event City | ABILENE |
| Event State | TEXAS |
| Event Country | -- |
| Zipcode of the event site | 79602 |
| Event Date Year | 1990 |
| Event Date Month | 11 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | |
| Event Location Nearest Airport ID | NONE |
| 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 | Pilot |
| Time of the weather observation | 0 |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | |
| Elevation of weather observation facility | 0 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 800 |
| 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) | 3 |
| Air Temperature at event time (in degrees celsius) | -18 |
| Dew Point at event time (in degress fahrenheit) | -18 |
| Wind Direction (degrees magnetic) | 360 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 15 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | -- |
| Density Altitude (feet) | 0 |
| Intensity of Precipitation | Light |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 3 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1288 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Nov 14 1990 12:00AM |
| NTSB Notification Time | 1000 |
| Fiche Number and/or location -used to find docket information | 42465 |
| Date of most recent change to record | Dec 18 2002 11:28AM |
| User who most recently changed record | NTSB\GIUV |
| Basic weather conditions | Instrument Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N6078Y |
| NTSB Number | DEN91LA018 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | IFR |
| Flight plan Was Activated? | -- |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | PIPER |
| Aircraft Model | PA-23-250 |
| Aircraft Series Identifier | PA-23-250 |
| Aircraft Serial Number | 27-3279 |
| Certified Max Gross Weight | 5200 |
| 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 | 6 |
| Number of Engines | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Unknown |
| Date of Last Inspection | -- |
| Airframe hours since last inspection | 0 |
| Airframe Hours | -- |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | |
| Aircraft Owner Street Address | |
| Aircraft Owner City | |
| Aircraft Owner State | |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | |
| Operator is an individual? | -- |
| Operator Name | PARSON, ROY G. |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 425 HAWTHORNE |
| Operator City | ABILENE |
| Operator State | TX |
| Operator Country | |
| Operator Zip code | 79605 |
| 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 | -- |
| 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 | No |
| Departure Airport Code | ABI |
| Departure City | ABILENE |
| Departure State | TX |
| Departure Country | |
| Departure Time | 1130 |
| Departure Time Zone | CST |
| Destination Same as Local Flt | -- |
| Destination Airport Code | FSK |
| Destination City | FORT SCOTT |
| Destination State | KS |
| Destination Country | |
| Specific Phase of Flight | Cruise |
| 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 | -- |