LAX90LA288.html
1990, 2n*, on airport, but could have happened within 1 mile of the airport
Data Source: NTSB AVIATION ACCIDENT/INCIDENT DATABASE Report Number: LAX90LA288 Local Date: 08/09/1990 Local Time: 1305 PDT State: CA City: CONCORD Airport Name: BUCHANAN FIELD Airport Id: CCR Event Type: ACCIDENT Injury Severity: NONE Report Status: FINAL Mid Air Collision: NO
Category of Operation: GENERAL AVIATION Aircraft Type: AIRPLANE Aircraft Damage: SUBSTANTIAL Phase of Flight: 530 CLIMB Aircraft Make/Model: CESSNA CE-421-B Operator Doing Business As: Operator Name: Operator Code: Operator: Owner Name: CALWEST AVIAITON
SHORTLY AFTER DEPARTING CONCORD AIRPORT THE PILOT EXPERIENCED AN INTERMITTENT ELECTRICAL FAILURE FOLLOWED BY A TOTAL ELECTRICAL FAILURE. DURING THE INTERMITTENT PHASE THE PILOT ELECTRICALLY EXTENDED THE LANDING GEAR. DURING THE EXTENSION THE AIRPLANE SUSTAINED A TOTAL ELECTRICAL FAILURE. THE PILOT RETURNED TO CONCORD AIRPORT AND LANDED. UPON TOUCHDOWN THE MAIN LANDING GEAR COLLAPSED. AFTER THE AIRPLANE CAME TO REST THE PILOT SHUT OFF ALL ELECTRICAL SWITCHES, INCLUDING THE BATTERY/MASTER SWITCH. THE PILOT STATED THAT HE THOUGHT THE LANDING EXTENDED TO THE LOCKED POSITION BEFORE SUSTAINING THE TOTAL ELECTRICAL FAILURE AND WAS UNABLE TO CHECK THE LANDING GEAR WARNING LIGHTS TO DETERMINE THAT THE LANDING GEARS WERE DOWN AND LOCKED. THE PILOT DID NOT FOLLOW THE APPROPRIATE CHECKLIST AND USE THE HANDCRANK TO DETERMINE THAT THE LANDING GEAR WAS IN FACT EXTENDED AND LOCKED.
Occurrence #: 1 130 AIRFRAME/COMPONENT/SYSTEM FAILURE/MALFUNCTION
Phase of Operation: 531 CLIMB - TO CRUISE
Findings
Subject - Modifier - Personnel Cause/Factor
1a. 12000(S) - 1135(M) Factor
ELECTRICAL SYSTEM - FAILURE, TOTAL
2a. 12000(S) - 1189(M) Cause
ELECTRICAL SYSTEM - UNDETERMINED
Occurrence #: 2 194 COMPLETE GEAR COLLAPSED
Phase of Operation: 571 LANDING - FLARE/TOUCHDOWN
Findings
Subject - Modifier - Personnel Cause/Factor
1a. 10400(S) - 1190(M) Factor
LANDING GEAR - UNLOCKED
2b. 24545(S) - 3124(M) - 4000(P) Cause
EMERGENCY PROCEDURE - NOT FOLLOWED - PILOT IN COMMAND
THE PILOT'S FAILURE TO FOLLOW THE ELECTRICAL SYSTEM FAILURECHECKLIST. CONTRIBUTING TO THIS ACCIDENT WAS THE TOTAL ELECTRICAL FAILURE FOR UNDETERMINED REASONS AND THE LANDINGGEAR BEING UNLOCKED.
Number of Seats: 6
Aircraft Use: BUSINESS
Type of Operation: 14 CFR 91
Domestic/International:
Passenger/Cargo:
Registration Number: 76SH
Air Carrier Operating Certificates: ON-DEMAND AIR TAXI
Aircraft Fire: NONE
Injuries
Fatal Serious Minor None
Crew 0 0 0 1
Pass 0 0 0 1
Other 0 0 0 0
Invlvd 0 0 0 2
Landing Gear: TRICYCLE-RETRACTABLE
Certificated Maximum Gross Weight: 7450
Engine Make: CONTINENTAL
Engine Model: GTSIO-520-H
Number of Engines: 2
Engine Type: RECIPROCATING-FUEL INJECTED
Basic Weather Conditions: VISUAL METEOROLOGICAL CONDITIONS (VMC) Wind Direction (deg): 350 Wind Speed (knots): 10 Visibility (sm): 15 Visibility RVR (ft): 0 Visibility RVV (sm): 0 Cloud Height Above Ground Level (ft): 12000 Visibility Restrictions: NONE Precipitation Type: NONE Light Condition: DAYLIGHT Departure Airport Id: Departure City: Departure State: Destination Airport Id: MRY Destination City: MONTEREY Destination State: CA Flight Plan Filed: NONE ATC Clearance: NONE VFR Approach/Landing: TRAFFIC PATTERN Event Location: ON AIRPORT
Certificates: PRIVATE
Ratings:
Plane: MULTIENGINE LAND
Non-Plane: NONE
Instrument: NONE
Had Current BFR: YES
Months Since Last BFR: 1
Medical Certificate: CLASS 3
Medical Certificate Validity: VALID MEDICAL-NO WAIVERS/LIMITATIONS
Flight Time (Hours)
Total : 2005 Last 24 Hrs : 0
Make/Model : 75 Last 30 Days: 2
Instrument : 0 Last 90 Days: 816
Multi-Engine: 2005 Rotorcraft : 0