Individually Owned: 150,657
Corporate Owned: 137,281
Miro Field Airport
Aircraft Accident/Incident Report
Rialto, California 92376
Thursday, November 19, 1987 15:45 PST
NTSB Narrative Summary Released at Completion of Accident
THE PILOT LOST CONTROL OF THE RECENTLY PAINTED HELICOPTER DURING THE TAKEOFF. THE PAINT SHOP PERSONNEL HAD MOVED THE HELO TO A AIRPLANE PARKING SPOT. THE HELO SKIDS STRADDLED THE TIE-DOWN CHAINS. TWO WING TIE-DOWN CHAINS WERE INCORRECTLY ATTACHED TO THE RIGHT LANDING GEAR SKID. ONE WITNESS INDICATED THAT HE WALKED AROUND THE HELO EXAMINING THE NEW PAINT BEFORE THE ARRIVAL OF THE PLT AND PAX. HE STATED THAT HE DID NOT NOTICE ANY TIE-DOWN CHAINS ON THE ACFT. THE PLT DID NOT NOTICE THE TIE-DOWN CHAINS DURING THE PREFLIGHT CHECK AND DID NOT REMOVE THEM. THE CHAINS WERE ATTACHED WITHOUT TENSION. AS THE HELO CAME TO A HOVER, THE SLACK WAS TAKEN UP. WITH THE RIGHT SKID TUBE TETHERED, THE HELO ROLLED RIGHT ALLOWING THE MAIN ROTOR BLADES TO STRIKE THE GROUND. AC 20-35C STATES, 'FASTEN THE TIE-DOWN ROPES TO THE FUSELAGE MOORING POINTS AND EXTEND THEM TO THE GROUND MOORING ANCHORS'. THE CHAINS WERE DARK BROWN IN COLOR AND DID NOT CLEARLY CONTRAST WITH THE ASPHALT SURFACE.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 11/19/1987 |
| Event Day of the Week | Thursday |
| Time of Event | 1545 |
| Event Time Zone | Pacific Standard Time |
| Event City | RIALTO |
| Event State | CALIFORNIA |
| Event Country | -- |
| Zipcode of the event site | 92376 |
| Event Date Year | 1987 |
| Event Date Month | 11 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | MIRO FIELD |
| Event Location Nearest Airport ID | L67 |
| 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 | 1438 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1500 Pacific Standard Time |
| Direction of event from weather observation facility (degrees) | 235 |
| Weather Observation Facility ID | ONT |
| Elevation of weather observation facility | 943 |
| Distance of event from weather observation facility (units?) | 11 |
| Time Zone of the weather observation | PST |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 20000 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 50 |
| Air Temperature at event time (in degrees celsius) | 27 |
| Dew Point at event time (in degress fahrenheit) | -1 |
| Wind Direction (degrees magnetic) | 260 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 10 |
| 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 | Serious |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 1 |
| Injury Total Serious | 1 |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 2644 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Nov 19 1987 12:00AM |
| NTSB Notification Time | 1630 |
| Fiche Number and/or location -used to find docket information | 38460 |
| Date of most recent change to record | Dec 13 2000 2:59PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N66WL |
| NTSB Number | LAX88FA033 |
| 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 | BELL |
| Aircraft Model | 206L-3 |
| Aircraft Series Identifier | 206L-3 |
| Aircraft Serial Number | 51041 |
| Certified Max Gross Weight | 4150 |
| Aircraft Category | Helicopter |
| 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 | 7 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | 100 Hour |
| Date of Last Inspection | Aug 28 1987 12:00AM |
| Airframe hours since last inspection | 90 |
| Airframe Hours | 817 |
| ELT Installed | No |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | WILLIAM LYON CO. |
| Aircraft Owner Street Address | #19 CORPORATE PLAZA |
| Aircraft Owner City | NEWPORT BEACH |
| Aircraft Owner State | CA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 92660 |
| Operator is an individual? | -- |
| Operator Name | WILLIAM LYON COMPANY |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | #19 CORPORATE PLAZA |
| Operator City | NEWPORT BEACH |
| Operator State | CA |
| Operator Country | |
| Operator Zip code | 92660 |
| 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) | Positioning |
| Second Pilot on Board | No |
| Departure Point Same as Event | No |
| Departure Airport Code | L67 |
| Departure City | RIALTO |
| Departure State | CA |
| Departure Country | |
| Departure Time | 1545 |
| Departure Time Zone | PST |
| Destination Same as Local Flt | -- |
| Destination Airport Code | SNA |
| Destination City | SANTA ANA |
| Destination State | CA |
| Destination Country | |
| Specific Phase of Flight | Takeoff |
| 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 | -- |