Individually Owned: 150,657
Corporate Owned: 137,281
Nashville Metropolitan Airport
Aircraft Accident/Incident Report
Nashville, Tennessee 37202
Monday, October 20, 1986 11:00 EDT
NTSB Narrative Summary Released at Completion of Accident
THE PLT WAS IN A DESCENT TOWARD A BUILDING IN A DOWNTOWN AREA WHICH HE WANTED AERIAL PHOTOGRAPHS OF. AT ABOUT 1700 FT AGL HE REPORTED THE HELICOPTER JERKED HARD AND YAWED TO THE LEFT. HE INITIATED AN AUTOROTATION AND DURING THE DESCENT TO THE SELECTED LANDING SITE HE HAD TO BLEED OFF ROTOR RPM TO CLEAR WIRES ACROSS THE APCH PATH. A HARD LANDING RESULTED IN A STREET INTERSECTION. POST ACCIDENT INSPECTION REVEALED THE SPUR ADAPTER GEARSHAFT FORWARD SPLINES WERE SEVERELY WORN. THE FORWARD END OF THE GEARSHAFT WAS FRACTURED. THE FRACTURE HAD ORIGINATED FROM THE SHAFT SPLINE TEETH. THE OIL DELIVERY TUBE FOR THE FORWARD SPLINE LUBRICATION DID NOT MEET REQUIREMENTS ESTABLISHED BY THE ENGINE MANUFACTURER.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 10/20/1986 |
| Event Day of the Week | Monday |
| Time of Event | 1100 |
| Event Time Zone | Eastern Daylight Time |
| Event City | NASHVILLE |
| Event State | TENNESSEE |
| Event Country | -- |
| Zipcode of the event site | 37202 |
| Event Date Year | 1986 |
| Event Date Month | 10 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | NASHVILLE METROPOLITAN |
| Event Location Nearest Airport ID | BNA |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 5 |
| Degrees magnetic from airport | 269 |
| Airport Elevation | 0 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1050 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 89 |
| Weather Observation Facility ID | BNA |
| Elevation of weather observation facility | 599 |
| Distance of event from weather observation facility (units?) | 5 |
| 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) | 5 |
| Air Temperature at event time (in degrees celsius) | 16 |
| Dew Point at event time (in degress fahrenheit) | 11 |
| Wind Direction (degrees magnetic) | 110 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 3 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | 450 |
| 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 | 1 |
| Injury Total None | 2 |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 2082 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Oct 20 1986 12:00AM |
| NTSB Notification Time | 1400 |
| Fiche Number and/or location -used to find docket information | 32617 |
| Date of most recent change to record | Jan 2 2001 9:14AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N2204Z |
| NTSB Number | ATL87FA009 |
| 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 | 206B III |
| Aircraft Series Identifier | 206B III |
| Aircraft Serial Number | 3516 |
| Certified Max Gross Weight | 3200 |
| 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 | 5 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | 100 Hour |
| Date of Last Inspection | Sep 19 1986 12:00AM |
| Airframe hours since last inspection | 57 |
| Airframe Hours | 2395 |
| ELT Installed | No |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | NELSON C. ANDREWS |
| Aircraft Owner Street Address | 224 WHITEBRIDGE RD |
| Aircraft Owner City | NASHVILLE |
| Aircraft Owner State | TN |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 37209 |
| 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 | 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 | JWN |
| Departure City | NASHVILLE |
| Departure State | TN |
| Departure Country | |
| Departure Time | 1000 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | dest & departure same, accident can occur anywhere |
| Destination Airport Code | |
| Destination City | |
| Destination State | |
| Destination Country | |
| Specific Phase of Flight | Landing |
| 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 | 0 |
| Runway Length | 0 |
| Runway Width | 0 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |