Individually Owned: 150,657
Corporate Owned: 137,281
Arlington Muni Airport
Aircraft Accident/Incident Report
Arlington, Texas 76101
Thursday, August 20, 1992 11:03 CDT
NTSB Narrative Summary Released at Completion of Accident
DURING A DEMONSTRATION FLIGHT OF THE TILTROTOR AIRCRAFT, THE LEFT PROPROTOR GOVERNOR DISCONNECTED DUE TO A MISSING SAFETY ON THE CASTELLATED NUT THAT SECURES THE PROPROTOR TO THE GOVERNOR LINKAGE. WHEN THE GOVERNOR DISCONNECTED, THE PROPELLER SURGED TO THE MAXIMUM PITCH SETTING AND ROLLED THE AIRCRAFT AROUND THE LONGITUDINAL AXIS. FLIGHT DATA RECORDINGS INDICATED THAT THE AIRCRAFT EXPERIENCED A ROLL TO THE RIGHT THAT BEGAN SLOWLY AND ACCELERATED TO THE INVERTED POSITION IN LESS THAN 3 SECONDS. THE AIRCRAFT IMPACTED THE GROUND INVERTED. NEITHER OCCUPANT COULD EGRESS WITHOUT ASSISTANCE DUE TO INCONSISTENT INSTRUCTIONS FOR EMERGENCY EGRESS.
NTSB Probable Cause Narrative
INADEQUATE MAINTENANCE AND INSPECTION WHICH RESULTED IN A DISCONNECTED PROPROTOR GOVERNOR LINKAGE.
Event Information
| Type of Event | Accident |
| Event Date | 8/20/1992 |
| Event Day of the Week | Thursday |
| Time of Event | 1103 |
| Event Time Zone | Central Daylight Time |
| Event City | ARLINGTON |
| Event State | TEXAS |
| Event Country | -- |
| Zipcode of the event site | 76101 |
| Event Date Year | 1992 |
| Event Date Month | 8 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | ARLINGTON MUNI |
| Event Location Nearest Airport ID | F54 |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | -- |
| Degrees magnetic from airport | -- |
| Airport Elevation | 1630 |
| Weather Briefing Completeness | Full |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1050 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 15 |
| Weather Observation Facility ID | DFW |
| Elevation of weather observation facility | 603 |
| Distance of event from weather observation facility (units?) | 20 |
| Time Zone of the weather observation | CDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Clear |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 6 |
| Air Temperature at event time (in degrees celsius) | 25 |
| Dew Point at event time (in degress fahrenheit) | 19 |
| Wind Direction (degrees magnetic) | 0 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 0 |
| Wind Velocity Indicator | Calm |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | 1250 |
| Intensity of Precipitation | Unknown |
| 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 | 2 |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 2 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 2841 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Aug 20 1992 12:00AM |
| NTSB Notification Time | 1130 |
| Fiche Number and/or location -used to find docket information | 47338 |
| Date of most recent change to record | Dec 11 2000 3:12PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N702NA |
| NTSB Number | FTW92FA215 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | Company VFR |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | BELL |
| Aircraft Model | XV-15 301 |
| Aircraft Series Identifier | XV-15 301 |
| Aircraft Serial Number | 0001 |
| Certified Max Gross Weight | 13500 |
| Aircraft Category | Unknown |
| 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 | 2 |
| Number of Engines | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Continuous Airworthiness |
| Date of Last Inspection | Jan 9 1992 12:00AM |
| Airframe hours since last inspection | 81 |
| Airframe Hours | 841 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | NASA |
| Aircraft Owner Street Address | NASA AMES RESEARCH CENTER |
| Aircraft Owner City | MOFFETT FIELD |
| Aircraft Owner State | CA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 94035 |
| Operator is an individual? | -- |
| Operator Name | BELL HELICOPTER TEXTRON |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | P.O. BOX 482 |
| Operator City | FORT WORTH |
| Operator State | TX |
| Operator Country | |
| Operator Zip code | 76101 |
| 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) | Unknown |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | Yes |
| Departure Airport Code | ARL |
| Departure City | |
| Departure State | |
| Departure Country | |
| Departure Time | 1030 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | dest & departure same, accident can occur anywhere |
| Destination Airport Code | ARL |
| Destination City | |
| Destination State | |
| Destination Country | |
| Specific Phase of Flight | Hover |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:30AM |
| 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 | -- |