Aircraft Accident/Incident Report

Monterrey Mexico
Sunday, December 9, 2012 3:40 CST

NTSB Narrative Summary Released at Completion of Accident

On December 9, 2012, at 0333 Central Standard Time, a Learjet 25, N345MC, crashed in mountainous terrain at an elevation of about 5,600 feet above mean sea level approximately 70 miles south of Monterrey, Mexico. The flight departed General Mariano Escobedo International Airport (MMMY), Monterrey, Nuevo Leon, Mexico at 0319 and was enroute to Lic. Adolfo Lopez Mateo International Airport (MMTO), Toluca, Estado de Mexico, Mexico. The two crew members and five passengers on board were fatally injured and the aircraft was destroyed. The Dirección General de Aeronáutica Civil of Mexico (DGAC) is investigating the accident. The NTSB has designated a U.S. Accredited Representative under the provisions of International Civil Aviation Organization (ICAO) Annex 13 as the State of Manufacture and Registry of the aircraft. Inquiries regarding this incident should be directed to: Dirección General de Aeronáutica Civil Secretaría de Comunicaciones y Transportes Providencia No. 807 — 6° piso Colonia del Valle Codigo Postal 03100 México, D.F. Mexico

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/9/2012
Event Day of the Week Sunday
Time of Event 340
Event Time Zone Central Standard Time
Event City Monterrey
Event State --
Event Country MEXICO
Zipcode of the event site --
Event Date Year 2012
Event Date Month 12
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 --
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source --
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions --
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling --
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) --
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator --
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal 7
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 7
Investigating Agency Foreign
NTSB Docket Number (internal use) --
NTSB Notification Source Foriegn - Mexico
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Dec 27 2012 10:16AM
User who most recently changed record held
Basic weather conditions --
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N345MC
NTSB Number DCA13RA025
Missing Aircraft Indicator --
Federal Aviation Reg. Part Unknown
Type of Flight Plan filed Unknown
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name LEARJET INC
Aircraft Model 25
Aircraft Series Identifier --
Aircraft Serial Number 046
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 10
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection --
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type Unknown
Aircraft Owner Name MCOCO INC
Aircraft Owner Street Address 2323 S VOSS RD STE 525
Aircraft Owner City HOUSTON
Aircraft Owner State TX
Aircraft Owner Country USA
Aircraft Owner Zipcode 77057-3821
Operator is an individual? No
Operator Name --
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City --
Operator State --
Operator Country USA
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 --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) --
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code MMMY
Departure City Monterrey
Departure State --
Departure Country MX
Departure Time 319
Departure Time Zone CST
Destination Same as Local Flt --
Destination Airport Code MMTO
Destination City Toluca
Destination State --
Destination Country MX
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Mar 4 2013 10:34AM
User who most recently changed record sedj
Since inspection or accident --
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --