# NTSB LAX92IA307: Lockheed L-1011-385-1, N719DA, Los Angeles, CA, July 18, 1992 - Type: NTSB incident investigation - Classification: Incident · No injuries · Incident investigation · Final report - Date: July 17, 1992, 18:30 local (Jul 18, 1992, 01:30 UTC) - Place: Los Angeles, CA - Location: 33.9348° N, 118.3933° W: Placed by OpenAirDocs from NTSB’s distance and direction from LOS ANGELES INTL (LAX), within about a mile (OpenAirDocs) - Nearby events: https://openairdocs.org/map.md?lat=33.9348&lon=-118.3933&mi=10 - Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 315 uninjured - Status: Completed, report September 14, 1993 - Report: Approved by Office Director - NTSB case key (mKey): 27459 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX92IA307 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/27459/pdf - Page: https://openairdocs.org/ntsb/LAX92IA307 ## Probable cause (aircraft 2) A FAILURE OF GROUND PERSONNEL TO ENSURE PROPER CLEARANCE BETWEEN A TAXIING AIRPLANE AND AN ADJACENT PARKED AIRPLANE. CONTRIBUTING TO THE ACCIDENT WAS A FAILURE OF GROUND PERSONNEL TO PROPERLY POSITION A PARKED AIRPLANE TO ENSURE THAT IT DID NOT ENCROACH INTO AN ADJACENT SAFETY AREA. ## Probable cause (aircraft 1) A FAILURE OF GROUND PERSONNEL TO ENSURE PROPER CLEARANCE BETWEEN A TAXIING AIRPLANE AND AN ADJACENT PARKED AIRPLANE. CONTRIBUTING TO THE ACCIDENT WAS A FAILURE OF GROUND PERSONNEL TO PROPERLY POSITION A PARKED AIRPLANE TO ENSURE THAT IT DID NOT ENCROACH INTO AN ADJACENT SAFETY AREA. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - On ground/water collision with object, taxi - object - aircraft parked/standing - distance - misjudged, ground personnel (cause) - proper assistance - not performed, ground personnel (contributing factor) - On ground/water collision with object, taxi - object - aircraft parked/standing - distance - misjudged, ground personnel (cause) - proper assistance - not performed, ground personnel (contributing factor) ## Analysis (aircraft 2) A FAIRCHILD SA-227 WAS POSITIONED BY GROUND PERSONNEL IN A PARKING SPOT ADJACENT TO ANOTHER OPERATORS ARRIVAL GATE. DUE TO OTHER AIRCRAFT IN THE PARKING AREA, THE TAIL OF THE FAIRCHILD ENCROACHED INTO THE SAFETY AREA OF THE NEXT GATE. AS AN ARRIVING LOCKHEED L-1011 WAS TAXIING INTO ITS GATE AREA, GROUND PERSONNEL NOTICED THAT THE AIRPLANE'S LEFT WING WAS GOING TO CONTACT THE VERTICAL STABILIZER OF THE FAIRCHILD. GROUND PERSONNEL DID NOT SIGNAL A STOP IN TIME TO AVOID THE COLLISION. ## Analysis (aircraft 1) A FAIRCHILD SA-227 WAS POSITIONED BY GROUND PERSONNEL IN A PARKING SPOT ADJACENT TO ANOTHER OPERATOR'S ARRIVAL GATE. DUE TO OTHER AIRCRAFT IN THE PARKING AREA, THE TAIL OF THE FAIRCHILD ENCROACHED INTO THE SAFETY AREA OF THE NEXT GATE. AS AN ARRIVING LOCKHEED L-1011 WAS TAXIING INTO ITS GATE AREA, GROUND PERSONNEL NOTICED THAT THE AIRPLANE'S LEFT WING WAS GOING TO CONTACT THE VERTICAL STABILIZER OF THE FAIRCHILD. GROUND PERSONNEL DID NOT SIGNAL A STOP IN TIME TO AVOID THE COLLISION. ## Aircraft 1 - Registration: [N719DA](https://openairdocs.org/deregistered/N719DA-2013-02-20), registration cancelled 2013-02-20, S/N 193C-1135, built 1976 (OpenAirDocs) - Reported make and model: LOCKHEED L-1011-385-1 (L-1011-385) - Registry model: [Lockheed L-1011-385-1](https://openairdocs.org/model/lockheed-l-1011-385-1) (registry code 5265010) (OpenAirDocs) - Registry engine: [Rolls-Royce RB-211-22 series](https://openairdocs.org/engine/rolls-royce-rb-211-22-series) (registry code 54554, turbo-fan) (OpenAirDocs) - Category: Airplane - Serial number: 193C-1135 - Engines: Rolls-Royce RB-211 turbo jet - Damage: No damage - Flight: Part 121 - Operator: Delta Airlines - Registered owner: Delta Airlines - Airworthiness certificate: Standard, Transport - Last inspection: Continuous airworthiness, January 2, 2000 - Departed: ATL, ATLANTA, GA - Flight plan: Unknown - Airport: LAX, Los Angeles ## Aircraft 2 - Registration: [N2725D](https://openairdocs.org/deregistered/N2725D-1998-07-08), registration cancelled 1998-07-08, S/N AC723 (OpenAirDocs) - Reported make and model: FAIRCHILD SA-227AC - Registry model: [Fairchild SA227-AC](https://openairdocs.org/model/fairchild-sa227-ac) (registry code 3377509) (OpenAirDocs) - Category: Airplane - Serial number: AC-723 - Airframe hours: 9093 - Engines: GARRETT TPE-331-11U 1000 horsepower turbo prop - Damage: Minor damage - Flight: Part 135 - Operator: Skywest Airlines - Registered owner: Heleasco Fourteen Inc. - Airworthiness certificate: Standard, Normal - Last inspection: Continuous airworthiness, July 14, 1992, 18 hours before - Departed: LAX - Destination: IYK, INYOKERN, CA - Flight plan: Unknown - Airport: LAX, Los Angeles ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N719DA; age 48; airline transport, flight engineer; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left - Pilot, aircraft N2725D; age 38; airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 4,025 total, 1,874 in this make and model, 2,020 as pilot in command ## Weather - Conditions: Visual (VMC), Night/dark - Wind: calm - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 75 °F ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Incident 19920717032349I](https://openairdocs.org/incident/19920717032349I), Jul 17, 1992: Lkheed 10113851, Los Angeles, CA, Minor damage. Pilot struck a parked aircraft with left wing while taxiing to gate. From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.