Las Cruces Intl Airport
Aircraft Accident/Incident Report

Las Cruces, New Mexico 88004
Monday, January 23, 1989 17:05 MST

NTSB Narrative Summary Released at Completion of Accident

THE INSTRUCTOR PLT (CFI) HAD SIMULATED A LOSS OF PWR IN THE RGT ENG & THE STUDENT WAS MAKING AN APCH. THE CFI THEN PULLED THE CIRCUIT BREAKER (CB) FOR THE NORMAL GEAR EXTENTION SYS. THE STUDENT TRIED TO EXTEND THE GEAR WITH THE ALTN SYS, BUT THE LEFT GEAR DID NOT LOCK DOWN. THE CFI PUT THE CB BACK IN & RECYCLED THE GEAR, BUT THE LEFT GEAR STILL DID NOT SHOW DOWN & LOCKED. THE CFI THEN ORDERED A GO-AROUND. THE GO-AROUND WAS INITIATED AT ABOUT 300 FT AGL. WHEN THE THROTTLES WERE ADVANCED, THE CFI NOTED A LACK OF PWR IN THE RGT ENG & TOOK CONTROL OF THE ACFT. HE TRIED TO RESTORE FULL PWR TO THE RGT ENG, WHICH HE PERCEIVED WAS PRODUCING SOME PWR. THE PROP WASN'T FEATHERED. IN THAT CONFIGURATION, THE ACFT MAINTAINED LEVEL FLT, BUT WOULD NOT CLIMB. SUBSEQUENTLY, IT BEGAN TO DESCEND & THE CFI MADE A FORCED LANDING ON ROUGH DESERT TERRAIN. NO REASON FOR THE RPRTD LOSS OF ENG POWER WAS FOUND DRG A SUBSEQUENT INVESTIGATION.

NTSB Probable Cause Narrative

THE LOSS OF RIGHT ENGINE POWER FOR UNDETERMINED REASON(S), AND THE FAILURE OF THE INSTRUCTOR PILOT TO FEATHER THE RIGHT ENGINE. FACTORS RELATED TO THE ACCIDENT WERE: FAILURE OF THE LEFT MAIN GEAR LOCKING MECHANISM TO ENGAGE AND THE UNPREPARED (ROUGH/UNEVEN) TERRAIN.

Event Information

Type of Event Accident
Event Date 1/23/1989
Event Day of the Week Monday
Time of Event 1705
Event Time Zone Mountain Standard Time
Event City LAS CRUCES
Event State NEW MEXICO
Event Country --
Zipcode of the event site 88004
Event Date Year 1989
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport LAS CRUCES INTL
Event Location Nearest Airport ID LRU
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 4454
Weather Briefing Completeness Not pertinent
Investigator's weather source Pilot
Time of the weather observation 0
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) 13
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 5000
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 3
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 158
NTSB Notification Source --
NTSB Notification Date Jan 23 1989 12:00AM
NTSB Notification Time 1900
Fiche Number and/or location -used to find docket information 38477
Date of most recent change to record Dec 13 2000 12:24PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3070M
NTSB Number DEN89LA068
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 PIPER
Aircraft Model PA-34-200T
Aircraft Series Identifier PA-34-200T
Aircraft Serial Number 34-7870105
Certified Max Gross Weight 4570
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 4
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Jan 8 1989 12:00AM
Airframe hours since last inspection 18
Airframe Hours 2516
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name N. AMER. INST. OF AVIATION
Aircraft Owner Street Address LAS CRUCES INT'L AIRPORT
Aircraft Owner City LAS CRUCES
Aircraft Owner State NM
Aircraft Owner Country
Aircraft Owner Zipcode 880040668
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code ELP
Departure City EL PASO
Departure State TX
Departure Country
Departure Time 1600
Departure Time Zone MST
Destination Same as Local Flt crash at destination city
Destination Airport Code
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 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 26
Runway Length 6073
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --