Individually Owned: 151,845
Corporate Owned: 143,699
Aircraft Accident/Incident Report
Bloomington, Minnesota 55125
Thursday, September 28, 1989 6:50 CDT
NTSB Narrative Summary Released at Completion of Accident
THE HELICOPTER WAS BEING FLOWN ON AN EARLY MORNING, RUSH HOUR, TRAFFIC WATCH. THE PLT RPRTD THE HELICOPTER WAS AT ABOUT 500 FT AGL & 20 KTS WHEN THE ENG FAILED. HE BEGAN AN AUTOROTATION TO A PARKING LOT. JUST BEFORE LANDING, HE SAW THE LIGHTS OF A CAR AS IT ENTERED INTO THE PARKING LOT. WITH PARKED CARS ELSEWHERE IN THE PARKING LOT, HE ELECTED TO SHORTEN HIS APCH PATH TO LAND IN ANOTHER AREA. AFTER SLOWING THE HELICOPTER TO LAND AT THE ALTERNATE LOCATION, THERE WAS INSUFFICIENT INERTIA LEFT IN THE ROTOR BLADES TO CUSHION THE LANDING. THE HELICOPTER TOUCHED DOWN HARD, DAMAGING THE UNDERCARRIAGE. AN EXAM OF THE ENG REVEALED THE CRANKSHAFT HAD FAILED BETWEEN THE #2 & #3 CHEEKS. THE ENG HAD A TOTAL OPERATIONAL TIME OF 2373 HRS & HAD 998 HRS OF OPERATION SINCE THE LAST OVERHAUL.
NTSB Probable Cause Narrative
FAILURE OF THE ENGINE CRANKSHAFT. THE LIGHT CONDITIONS AT DAWN AND THE VEHICLES WERE CONSIDERED TO BE CONTRIBUTING FACTORS.
Event Information
| Type of Event | Accident |
| Event Date | 9/28/1989 |
| Event Day of the Week | Thursday |
| Time of Event | 650 |
| Event Time Zone | Central Daylight Time |
| Event City | BLOOMINGTON |
| Event State | MINNESOTA |
| Event Country | -- |
| Zipcode of the event site | 55125 |
| Event Date Year | 1989 |
| Event Date Month | 9 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | |
| Event Location Nearest Airport ID | |
| 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 | 0 |
| Weather Briefing Completeness | Not pertinent |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 652 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 40 |
| Weather Observation Facility ID | MSP |
| Elevation of weather observation facility | 841 |
| Distance of event from weather observation facility (units?) | 15 |
| Time Zone of the weather observation | CDT |
| Lighting Conditions | Dawn |
| 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) | 20 |
| Air Temperature at event time (in degrees celsius) | 13 |
| Dew Point at event time (in degress fahrenheit) | 4 |
| Wind Direction (degrees magnetic) | 200 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 12 |
| 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 | 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 | 2 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 886 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Sep 28 1989 12:00AM |
| NTSB Notification Time | 1135 |
| Fiche Number and/or location -used to find docket information | 40398 |
| Date of most recent change to record | Dec 13 2000 1:04PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N95KS |
| NTSB Number | MKC89LA200 |
| 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 | HUGHES |
| Aircraft Model | 269C |
| Aircraft Series Identifier | 269C |
| Aircraft Serial Number | 1180735 |
| Certified Max Gross Weight | 2050 |
| 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 | 3 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | Unknown |
| Date of Last Inspection | -- |
| Airframe hours since last inspection | 31 |
| Airframe Hours | -- |
| ELT Installed | No |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | J.R. COPTERS LTD |
| Aircraft Owner Street Address | 2320 LEXINGTON AVE. S |
| Aircraft Owner City | MENDOTA HTS |
| Aircraft Owner State | MN |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 55120 |
| Operator is an individual? | -- |
| Operator Name | J.R. COPTER LTD. |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 2320 LEXINGTON |
| Operator City | MENDOTA HTS |
| Operator State | MN |
| Operator Country | |
| Operator Zip code | 55120 |
| 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 | -- |
| Indicates Domestic or International Flight | -- |
| Operator carrying Pax/Cargo/Mail | -- |
| Type of Flying (Per_Bus / Primary) | Aerial Observation |
| Second Pilot on Board | No |
| Departure Point Same as Event | No |
| Departure Airport Code | STP |
| Departure City | ST PAUL |
| Departure State | MN |
| Departure Country | |
| Departure Time | 600 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | dest & departure same, accident can occur anywhere |
| Destination Airport Code | STP |
| 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 10:35AM |
| 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 | -- |