Van Nuys Airport
Aircraft Accident/Incident Report

Van Nuys, California 91413
Tuesady, June 11, 1985 7:31 MST

NTSB Narrative Summary Released at Completion of Accident

THE PLT, EXECUTING AND ILS APCH, OBSERVED A PRIMARY HYDRAULIC PRESSURE DROP AND DECLARED HIS INTENT TO LAND WITHOUT THE USE OF FLAPS, SPEED BRAKES, REVERSERS OR NOSE WHEEL STEERING. THE ACFT RAN OFF THE END OF THE RWY DURING LANDING, TRAVELED APRX 1300 FT AND CAME TO REST ON A GOLF COURSE AFTER STRIKING 2 VEHICLES AND A CHAIN LINK FENCE. POST ACCIDENT INVESTIGATION REVEALED .8 QUARTS OF HYDRAULIC FLUID (SKYDROL) IN THE RESERVOIR. RESERVOIR CAPACITY IS 1.28 U.S. GALLONS. THE PLT STATED HE PUMPED THE BRAKES ON APCH TO BUILD PRESSURE IN THE EMERGENCY BRAKE SYSTEM. THE PLT ANNOUNCED HE HAD NO BRAKED AFTER TOUCHDOWN. THE JET COMMANDER 1121 OPERATOR'S MANUAL CAUTIONS AGAINST THIS PRACTICE. A FUNCTIONAL CHECK OF THE THRUST REVERSERS BY ON-SCENE INVESTIGATORS PRODUCED 2 COMPLETE CYCLES OF OPERATION. TWO PERSONS LOCATED IN A GROUND VEHICLE WERE INJURED DURING THE OVERRUN LANDING.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/11/1985
Event Day of the Week Tuesday
Time of Event 731
Event Time Zone Mountain Standard Time
Event City VAN NUYS
Event State CALIFORNIA
Event Country --
Zipcode of the event site 91413
Event Date Year 1985
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport VAN NUYS
Event Location Nearest Airport ID VNY
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 799
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 731 Pacific Standard Time
Direction of event from weather observation facility (degrees) 160
Weather Observation Facility ID VNY
Elevation of weather observation facility 799
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation PST
Lighting Conditions Day
Lowest Ceiling Height 800
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 2
Air Temperature at event time (in degrees celsius) 15
Dew Point at event time (in degress fahrenheit) 14
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 2
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 4
Injury Total None 1
Injury Total Serious --
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 2858
NTSB Notification Source --
NTSB Notification Date Jun 11 1985 12:00AM
NTSB Notification Time 745
Fiche Number and/or location -used to find docket information 30843
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N69GT
NTSB Number LAX85FA269
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name AERO COMMANDER
Aircraft Model 1121
Aircraft Series Identifier 1121
Aircraft Serial Number 44
Certified Max Gross Weight 14000
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 10
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection AAIP
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 --
Aircraft Owner Name MIDWEST JET SALES, INC.
Aircraft Owner Street Address HANGER 1B, WILEY POST AIRPORT
Aircraft Owner City BETHANY
Aircraft Owner State OK
Aircraft Owner Country
Aircraft Owner Zipcode 73008
Operator is an individual? --
Operator Name JAMES E. MAYFIELD
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 1921 E FLIGHTLINE ROAD
Operator City TUCSON
Operator State AZ
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) Ferry
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code TUC
Departure City TUCSON
Departure State AZ
Departure Country
Departure Time 645
Departure Time Zone PST
Destination Same as Local Flt crash at destination city
Destination Airport Code VNY
Destination City VAN NUYS
Destination State CA
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 16R
Runway Length 8000
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --