# NTSB LAX92LA007: Cessna 421C, N5486G, Santa Monica, CA, October 5, 1991 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: October 4, 1991, 17:45 local (Oct 5, 1991, 00:45 UTC) - Place: Santa Monica, CA - Coordinates: 34.009006, -118.460388 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=34.0090&lon=-118.4604&mi=10 - Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 5 uninjured - Status: Completed, report March 31, 1993 - Report: Approved by Office Director - NTSB case key (mKey): 27469 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX92LA007 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/27469/pdf - Page: https://openairdocs.org/ntsb/LAX92LA007 ## Probable cause (aircraft 2) THE FAILURE OF THE PILOT OF THE OTHER AIRCRAFT TO MAINTAIN AN ADEQUATE VISUAL LOOKOUT WHILE TAXIING HIS AIRCRAFT. ## Probable cause (aircraft 1) THE FAILURE OF THE PILOT TO MAINTAIN AN ADEQUATE VISUAL LOOKOUT WHILE TAXIING THE AIRCRAFT. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - On ground/water collision with object, taxi - to takeoff - object - aircraft parked/standing - visual lookout - not maintained, pilot in command (cause) - On ground/water collision with object, standing - engine(s) operating - object - aircraft moving on ground - visual lookout - not maintained, pilot of other aircraft (cause) ## Analysis (aircraft 2) THE PILOT OF THE CESSNA 421C, N5486G, SAID THAT AS HE APPROACHED THE RUNUP AREA FOR THE ACTIVE RUNWAY, HE LOOKED DOWN IN THE COCKPIT TO ADJUST THE INTERCOM SYSTEM AND THE AIRCRAFT TAXIED INTO THE STOPPED CESSNA 152, N93839, WHICH WAS HOLDING IN THE RUNUP AREA FOR A TAKEOFF CLEARANCE. ## Analysis (aircraft 1) THE PILOT OF THE CESSNA 421C, N5486G, SAID THAT AS HE APPROACHED THE RUNUP AREA FOR THE ACTIVE RUNWAY, HE LOOKED DOWN IN THE COCKPIT TO ADJUST THE INTERCOM SYSTEM AND THE AIRCRAFT TAXIED INTO THE STOPPED CESSNA 152, N93839, WHICH WAS HOLDING IN THE RUNUP AREA FOR A TAKEOFF CLEARANCE. ## Aircraft 1 - Registration: [N5486G](https://openairdocs.org/deregistered/N5486G-1994-08-26), registration cancelled 1994-08-26, S/N 421C0233 (OpenAirDocs) - Reported make and model: CESSNA 421C - Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (registry code 2076016) (OpenAirDocs) - Category: Airplane - Serial number: 421C0233 - Engines: CONTINENTAL GTSIO-520 375 horsepower reciprocating - Damage: Minor damage - Flight: Personal, Part 91 - Operator: Dalton, Timothy V. - Registered owner: Dalton, Timothy V. - Airworthiness certificate: Standard, Normal - Last inspection: Annual, September 1, 1991 - Airport: Santa Monica ## Aircraft 2 - Registration: [N93839](https://openairdocs.org/deregistered/N93839-2022-10-01), registration cancelled 2022-10-01, S/N 15285558, built 1982 (OpenAirDocs) - Reported make and model: CESSNA 152 - Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (registry code 2071835) (OpenAirDocs) - Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs) - Category: Airplane - Serial number: 15285558 - Engines: LYCOMING O-235-L2C 115 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Operator: Bob Lench Aviation, Inc. - Registered owner: Bob Lench Aviation, Inc. - Airworthiness certificate: Standard, Normal - Last inspection: Unknown, January 2, 2000 - Airport: Santa Monica ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N5486G; age 45; private; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 1,038 total, 235 in this make and model, 15 in the last 90 days, 6 in the last 30 days - Pilot, aircraft N93839; age 22; flight instructor, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: right ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 6 statute miles - Lowest ceiling: none ## FAA reports on this event (2) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19911004045001A](https://openairdocs.org/incident/19911004045001A), Oct 4, 1991: Cessna 421C, Santa Monica, CA, Minor damage. While taxiing for takeoff struck a 152 N93839 that was holding for takeoff. Had looked inside failed note moving. - [Accident 19911004045002A](https://openairdocs.org/incident/19911004045002A), Oct 4, 1991: Cessna 152, Fort Wayne, IN, Substantial damage. While holding in runup area was struck by a taxiing 421 N5486G whose pilot allowed 421 to move as he looked inside. 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.