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ASN Wikibase Occurrence # 35631
Last updated: 5 December 2019
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Date:04-JAN-1992
Time:18:55
Type:Silhouette image of generic C421 model; specific model in this crash may look slightly different
Cessna 421C Golden Eagle
Owner/operator:private
Registration: N2654M
C/n / msn: 421C0691
Fatalities:Fatalities: 4 / Occupants: 6
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Mammoth Lakes, CA -   United States of America
Phase: En route
Nature:Private
Departure airport:
Destination airport:La Verne, CA (POC)
Investigating agency: NTSB
Narrative:
DUE TO THE IMPENDING ARRIVAL OF A SNOW STORM, THE CERTIFICATED COMMERCIAL PILOT AND 5 PASSENGERS DEPARTED ONE DAY EARLIER THAN PLANNED, FROM AN UNCONTROLLED AIRPORT LOCATED IN MOUNTAINOUS TERRAIN TO BEGIN A NIGHT, CROSS COUNTRY FLIGHT. INSTRUMENT METEOROLOGICAL CONDITIONS PREVAILED. PRIOR TO DEPARTURE, THE PILOT WAS GIVEN AN IFR CLEARANCE VOID TIME FROM AN ARTCC. THE PILOT WAS CLIMBING TOWARD A VOR LOCATED ABOUT 27 MILES SOUTHEAST OF THE DEPARTURE AIRPORT WHILE ATTEMPTING TO CONTACT THE ARTCC TO OPEN HIS INSTRUMENT FLIGHT PLAN. THE PILOT FAILED TO MAINTAIN TERRAIN CLEARANCE, AND BECAME LOST/DISORIENTED. THE AIRPLANE STRUCK TREES AND SNOW COVERED TERRAIN AT 10,200 FEET MSL, 7 NAUTICAL MILES AND ABOUT 22 DEGREES TO THE RIGHT OF THE INTENDED COURSE. CAUSE: THE FAILURE OF THE PILOT TO PLAN AND CONDUCT HIS DEPARTURE FLIGHT TO AVOID HIGH MOUNTAINOUS TERRAIN, DURING WHICH THE PILOT BECAME LOST/DISORIENTED. CONTRIBUTING TO THE ACCIDENT WAS SELF INDUCED PRESSURE TO DEPART BEFORE THE ARRIVAL OF A SNOW STORM.

Sources:

NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001211X13996


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:22 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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