Individually Owned: 150,657
Corporate Owned: 137,281
Texarkana Muni/Webb Field Airport
Aircraft Accident/Incident Report
Texarkana, Arkansas 75502
Thursday, August 28, 1986 6:53 CDT
NTSB Narrative Summary Released at Completion of Accident
WHILE APCHG FOR A LNDG, THE ACFT PITCHED UP, ROLLED INVERTED & IMPACTED THE TERRAIN TO THE LEFT OF THE RWY. NO PREIMPACTPART FAILURE/MALFUNCTION WAS FND; HOWEVER, AN INV REVEALED THE ACFT HAD BEEN LOADED WITH THE CENTER-OF-GRAVITY (CG) WELLBEHIND THE AFT LIMIT. THE ACFT HAD BEEN WEIGHED ON 9/8/84. LATER, ON 1/2/86, WEIGHT & BALANCE DATA HAD BEEN RECOMPUTED AFTER REMOVAL OF A RADAR & AN AUTOPLT, BUT AN ERROR HAD BEEN MADE DURING THE WEIGHT & BALANCE PREPARATION. SUBSEQUENTLY,THE ACFT WAS OPERATED IN A TAIL HEAVY CONDITION. WHETHER USING THE EXISTING OR THE CORRECT DATA, CALCULATIONS FOR THIS FLT SHOULD HAVE SHOWN THE CG WAS BEHIND THE AFT LIMIT. THE ELEV TRIM TAB WAS FND TRIMMED TO A FULL NOSE DOWN POSITION; 200 LBS OF BALLAST HAD BEEN INSTALLED IN THE VICINTY OF THE AFT CARGO DOOR. TESTS OF LUNG TISSUE SHOWED THE PLT & COPLT HAD ALCOHOL LVLS OF 0.044% & 0.171%, RESPECTIVELY. THE PLT'S URINE TESTED 0.035% FOR ALCOHOL. ALSO, PHENYLTOLOXAMINE, ACETAMINOPHEN & CHLORPHENIRAMINE (MEDICATIONS COMMONLY USED IN DECONGESTANTS/ANTIHISTAMINES) WERE DETECTED IN HIS URINE.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 8/28/1986 |
| Event Day of the Week | Thursday |
| Time of Event | 653 |
| Event Time Zone | Central Daylight Time |
| Event City | TEXARKANA |
| Event State | ARKANSAS |
| Event Country | -- |
| Zipcode of the event site | 75502 |
| Event Date Year | 1986 |
| Event Date Month | 8 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | -- |
| Event Location Longitude | -- |
| Event Location Airport | TEXARKANA MUNI/WEBB FIELD |
| Event Location Nearest Airport ID | TXK |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | 0 |
| Degrees magnetic from airport | 0 |
| Airport Elevation | 389 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 652 |
| Direction of event from weather observation facility (degrees) | 210 |
| Weather Observation Facility ID | TXK |
| Elevation of weather observation facility | 389 |
| Distance of event from weather observation facility (units?) | 1 |
| Time Zone of the weather observation | |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 10000 |
| Lowest Non-Ceiling Height | 10000 |
| 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) | 10 |
| Air Temperature at event time (in degrees celsius) | 21 |
| Dew Point at event time (in degress fahrenheit) | 16 |
| Wind Direction (degrees magnetic) | 40 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 8 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | Fatal |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | 2 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 2 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1783 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Aug 28 1986 12:00AM |
| NTSB Notification Time | 740 |
| Fiche Number and/or location -used to find docket information | 32242 |
| Date of most recent change to record | Feb 26 2001 8:07AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N252K |
| NTSB Number | MKC86FA179 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 135: Air Taxi & Commuter |
| Type of Flight Plan filed | Company VFR |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | Ground |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | LOCKHEED |
| Aircraft Model | 18-56 (HOWARD 250) |
| Aircraft Series Identifier | 18-56 (HOW |
| Aircraft Serial Number | 2596 |
| Certified Max Gross Weight | 22500 |
| 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 | 3 |
| Number of Engines | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | AAIP |
| Date of Last Inspection | Aug 8 1986 12:00AM |
| Airframe hours since last inspection | 34 |
| Airframe Hours | 9534 |
| ELT Installed | Yes |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | SOUTHWEST AIRLIFT, INC. |
| Aircraft Owner Street Address | 3208 MILLBROOK |
| Aircraft Owner City | LITTLE ROCK |
| Aircraft Owner State | AR |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 72207 |
| 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 | 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 | Non-scheduled |
| Indicates Domestic or International Flight | Domestic |
| Operator carrying Pax/Cargo/Mail | Cargo |
| Type of Flying (Per_Bus / Primary) | Unknown |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | No |
| Departure Airport Code | LIT |
| Departure City | LITTLE ROCK |
| Departure State | AR |
| Departure Country | |
| Departure Time | 600 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | crash at destination city |
| Destination Airport Code | |
| Destination City | |
| Destination State | |
| Destination Country | |
| Specific Phase of Flight | Approach |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Feb 26 2001 8:07AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 13 |
| Runway Length | 5200 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |