Individually Owned: 150,657
Corporate Owned: 137,281
Mammoth Lakes Airport
Aircraft Accident/Incident Report
Mammoth Lakes, California 93546
Sunday, December 16, 1984 16:00 PST
NTSB Narrative Summary Released at Completion of Accident
THE ACFT TOOKOFF FROM AN ARPT WHOSE RWYS HAD BEEN CLOSED FOR SNOW REMOVAL. A NOTAM HAD BEEN FILED WITH THE FRESNO FSS BY THE MAMMOTH LAKE ARPT MGR AT 0900 HRS FOR TAXI AND RWY SNOW REMOVAL. THE PLT WAS AWARE OF THE NOTAM BECAUSE THE MGR AND A LINEMAN BOTH SAID THEY ADVISED HIM OF IT. SEVERAL WITNESSES SAW THE PLT ENTER THE ACFT AFTER DECLINING ENG PRE-HEAT OR ACFT DE-ICING. WHEN ADVISED BY THE LINEMAN THAT THE 2 QTS OF OIL THAT THE PLT REQUESTED DID NOT 'REGISTER ONTHE DIP-STICK.' THE PLT ORDERED ANOTHER QT TO BE 'THROWN' IN & 'HURRY UP.' NO PRE-FLT OR WARM UP OR BEFORE TAKEOFF CHECK WAS NOTED BY OBSERVERS. TURNING IMMEDIATELY ONTO THE RWY AND ROLLING FOR TAKEOFF THE PLT PASSED A SNOW PLOW. THE ACFT USED 7000 FT (ALL OF THE RWY) AND LEFT THE GROUND IN A NOSE HIGH ATTITUDE. THE ARPT ELEVATION IS 7128 FT MSL. THE ACFT FIRST STRUCK A DIRT MOUND 3/4 OF A MILE AFTER TAKEOFF. AFTER MAINTAINING FURTHER FLT FOR APRX 280 FT WHICH CROSSED A SMALL RAVINE THE ACFT COLLIDED WITH THE FAR SIDE OF THE RAVINE & STARTED TO BREAK APART, STOPPING 144 FT FURTHER EAST.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 12/16/1984 |
| Event Day of the Week | Sunday |
| Time of Event | 1600 |
| Event Time Zone | Pacific Standard Time |
| Event City | MAMMOTH LAKES |
| Event State | CALIFORNIA |
| Event Country | -- |
| Zipcode of the event site | 93546 |
| Event Date Year | 1984 |
| Event Date Month | 12 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | MAMMOTH LAKES |
| Event Location Nearest Airport ID | MMH |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 34 |
| Degrees magnetic from airport | 90 |
| Airport Elevation | 7128 |
| Weather Briefing Completeness | Not pertinent |
| Investigator's weather source | Witness |
| Time of the weather observation | 1600 |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | |
| Elevation of weather observation facility | 0 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | |
| 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) | 50 |
| Air Temperature at event time (in degrees celsius) | -12 |
| Dew Point at event time (in degress fahrenheit) | -- |
| Wind Direction (degrees magnetic) | 0 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 0 |
| Wind Velocity Indicator | Calm |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| 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 | 1 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 2912 |
| NTSB Notification Source | -- |
| NTSB Notification Date | -- |
| NTSB Notification Time | 0 |
| Fiche Number and/or location -used to find docket information | 26937 |
| Date of most recent change to record | Jan 2 2001 9:15AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N601FP |
| NTSB Number | LAX85FA076 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | PIPER |
| Aircraft Model | PA-60-601P |
| Aircraft Series Identifier | PA-60-601P |
| Aircraft Serial Number | 61P059779626 |
| Certified Max Gross Weight | 6000 |
| 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 | 6 |
| Number of Engines | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Feb 6 1984 12:00AM |
| Airframe hours since last inspection | 1428 |
| Airframe Hours | 15974 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | PAUL MEYER GUYER |
| Aircraft Owner Street Address | 4427 HOLLYWOOD BLVD. |
| Aircraft Owner City | LOS ANGELES |
| Aircraft Owner State | CA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 90028 |
| 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 | MMH |
| Departure City | MAMMOTH LAKES |
| Departure State | CA |
| Departure Country | |
| Departure Time | 1559 |
| Departure Time Zone | PST |
| Destination Same as Local Flt | -- |
| Destination Airport Code | BUR |
| Destination City | BURBANK |
| 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 10:36AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 9 |
| Runway Length | 7000 |
| Runway Width | 100 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |