# Accident 20020121001179A: Beech B36TC, Mammoth Lakes, CA, January 21, 2002

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 21, 2002, 11:00 local time
- Place: Mammoth Lakes, CA
- Airport: Mammoth - June Lakes
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Location: 37.5806° N, 118.8406° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=37.5806&lon=-118.8406&mi=10
- Aircraft: N6427N (not matched to a registry record)
- Reported make and model: BEECH B36TC
- NTSB investigation: [NTSB LAX02LA082](https://openairdocs.org/ntsb/LAX02LA082) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20020121001179A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(.19) ON JANUARY 21, 2002, AT 1100 PACIFIC STANDARD TIME, A BEECH B36TC, N6427N, CONTACTED THE RUNWAY SURFACE WITH THE LEFT WINGTIP DURING TAKEOFF FROM THE MAMMOTH LAKES AIRPORT, MAMMOTH LAKES, CALIFORNIA. THE AIRLINE TRANSPORT CERTIFICATED PILOT AND FOUR PASSENGERS WERE NOT INJURED. THE AIRPLANE WAS SUBSTANTIALLY DAMAGED. THE PERSONAL FLIGHT WAS OPERATED BY THE OWNER UNDER 14 CFR PART 91 AND WAS DESTINED FOR VAN NUYS, CALIFORNIA. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AND NO FLIGHT PLAN WAS FILED. THE AIRPLANE DEPARTED ON RUNWAY 27 (7,000 FEET LONG BY 100 FEET WIDE, ASPHALT). THE PILOT REPORTED THAT THE AIRPLANE ENCOUNTERED A WIND GUST, WHICH CAUSED ONE WING TO LIFT AND THE OTHER TO DROP AND CONTACT THE RUNWAY. THE RECORDED AUTOMATED WEATHER OBSERVING SYSTEM (AWOS) SURFACE WIND, 48 MINUTES AFTER THE ACCIDENT, WAS FROM 200 DEGREES AT 18 KNOTS WITH GUSTS TO 31 KNOTS. FOLLOWING THE WINGTIP CONTACT WITH THE RUNWAY, THE PILOT ABORTED THE TAKEOFF AND BROUGHT THE AIRPLANE TO A STOP ON THE REMAINING RUNWAY. (-23) PILOT WAS DEPARTING MAMMOTH LAKES, CA AIRPORT ON RUNWAY 27. SHORTLY AFTER LIFTOFF, AN UNEXPECTED STRONG GUST OF WIND DIRECTLY FROM HIS LEFT WAS                               ENCOUNTERED AND THE PILOT WAS UNABLE TO KEEP THE LEFT WING TIP FROM STRIKING THE RUNWAY. THE PILOT LANDED BACK ON THE RUNWAY AND TAXIED TO PARKING. THE LEFT WINGTIP WAS DAMAGED, LEFT WING SKIN WRINKLED ON TOP, THE AFT LEFT SPAR WAS BENT AND THE LEFT AILERON WAS DAMAGED. PITOT TUBE AND MAST WAS DAMAGED. NO INJURY TO ANY OF THE FIVE OCCUPANTS.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX02LA082](https://openairdocs.org/ntsb/LAX02LA082), Jan 21, 2002: Beech B36TC (N6427N), Mammoth Lakes, CA, substantial damage. Probable cause: The onset of variable, gusty, crosswind conditions at the time of departure and the pilot's inadequate and improper compensation for the crosswind conditions.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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