# NTSB ANC86FA126: Cessna 185, N1802R, Anchorage, AK, August 16, 1986 - Type: NTSB accident investigation - Classification: Accident · No injuries · Field investigation · Final report - Date: August 15, 1986, 20:37 local (Aug 16, 1986, 04:37 UTC) - Place: Anchorage, AK - Coordinates: 61.1609, -149.989456 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=61.1609&lon=-149.9895&mi=10 - Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 7 uninjured - Status: Completed, report April 25, 1988 - Report: Approved by Office Director - NTSB office: Alaska Regional Office - NTSB case key (mKey): 4605 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86FA126 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4605/pdf - Page: https://openairdocs.org/ntsb/ANC86FA126 ## 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 - control tower service - inadequate, atc personnel(lcl/gnd/clnc) (contributing factor) - traffic advisory - not issued, atc personnel(lcl/gnd/clnc) (cause) - monitoring - inadequate, atc personnel(lcl/gnd/clnc) (cause) - visual lookout - inadequate, pilot in command (contributing factor) - visual lookout - inadequate, pilot of other aircraft (cause) - object - aircraft moving on ground (contributing factor) - On ground/water collision with object, taxi - to takeoff - control tower service - inadequate, atc personnel(lcl/gnd/clnc) (contributing factor) - traffic advisory - not issued, atc personnel(lcl/gnd/clnc) (cause) - monitoring - inadequate, atc personnel(lcl/gnd/clnc) (cause) - visual lookout - inadequate, pilot in command (cause) - visual lookout - inadequate, pilot of other aircraft (contributing factor) - object - aircraft moving on ground (contributing factor) ## Analysis (aircraft 2) THE PLTS OF CESSNA 185 (C-185), N1802R, & CESSNA 180 (C-180), N9418C, RECEIVED CLEARANCE FM GROUND CONTROL TO TAXI TO RWY 32 VIA TAXIWAY-N (TWY-N). BOTH ACFT WERE TAILWHEEL (CONVENTIONAL GEAR) EQUIPPED. AS THE C-185 WAS PROCEEDING ALONG TWY-N, THE C-180 PLT TAXIED ONTO THE TWY, IN FRONT OF THE C-185 & FM THE RGT SIDE OF THE TWY. THE C-185 PLT SAID HE WAS TAXIING SLOWLY, BUT HAD A BLIND AREA FM HIS 12 TO 2 O'CLOCK PSN. JUST AS THE C-185 PLT SAW THE OTHER ACFT CONVERGING, HE APPLIED BRAKES & STOPPED, BUT HE SAID THE TAIL OF THE C-180 'SWUNG UNDER MY PROP.' THE C-185 PROP RECEIVED MINOR DMG WHILE THE LEFT HORIZONTAL STABILIZER OF THE C-180 WAS SUBSTANTIALLY DMGD. THE GROUND CONTROLLER STATED THAT AFTER HE CLEARED THE TWO CESSNAS TO TAXI, HE DIVERTED HIS ATTENTION TO A 3RD ACFT WHEN ITS PLT CALLED FOR TAXI INSTRUCTIONS ON THE NORTH RAMP. BY THE TIME THE CONTROLLER HAD REDIRECTED HIS ATTENTION TO THE TWO CESSNAS, THE ACDNT HAD OCCURRED. THE GROUND CONTROLLER DID NOT ISSUE A TRAFFIC ADVISORY TO EITHER OF THE CESSNA ACFT. ## Aircraft 1 - Registration: [N1802R](https://openairdocs.org/aircraft/N1802R), registered now, S/N 18502518, built 1974 (OpenAirDocs) - Reported make and model: CESSNA 185 - Registry model: [Cessna A185F](https://openairdocs.org/model/cessna-a185f) (registry code 2072821) (OpenAirDocs) - Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 18502518 - Airframe hours: 1420 - Engines: CONTINENTAL IO-520 300 horsepower reciprocating - Damage: Minor damage - Flight: Personal, Part 91 - Operator: Stephen T. Harms - Airworthiness certificate: Standard, Normal - Last inspection: Annual, July 2, 1986, 12 hours before - Flight plan: VFR - Airport: ANC, Anchorage Intl, runway 32, 10,496 × 150 ft, asphalt ## Aircraft 2 - Registration: [N9418C](https://openairdocs.org/aircraft/N9418C), registered now, S/N 31816, built 1955 (OpenAirDocs) - Reported make and model: CESSNA 180 - Registry model: [Cessna 180](https://openairdocs.org/model/cessna-180) (registry code 2072602) (OpenAirDocs) - Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 31816 - Airframe hours: 1333 - Engines: CONTINENTAL O-470 230 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Joe W. Hallum - Airworthiness certificate: Standard, Normal - Last inspection: Annual, May 16, 1986, 40 hours before - Airport: ANC, Anchorage Intl, runway 32, 10,496 × 150 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N1802R; age 32; commercial, flight instructor; airplane ratings: single-engine land, single-engine sea, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 1,706 total, 311 in this make and model, 1,588 as pilot in command, 72 in the last 90 days - Pilot, aircraft N9418C; age 53; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 2,070 total, 402 in this make and model, 2,000 as pilot in command, 40 in the last 90 days, 15 in the last 30 days ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 50 statute miles - Lowest ceiling: none - Temperature: 55 °F, dew point 30 °F - Altimeter: 29.00 inHg - Observed at: ANC ## 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 19860815040302A](https://openairdocs.org/incident/19860815040302A), Aug 15, 1986: Cessna A185F, Anchorage, AK, Minor damage. Struck horizontal stabilizer of 9418C during taxi. Due to blind spot, did not see aircraft coming from side. - [Accident 19860815040301A](https://openairdocs.org/incident/19860815040301A), Aug 15, 1986: Cessna 180, Anchorage, AK, Substantial damage. Turned onto taxiway in front of 1802R and was struck by propeller in stabilizer. No ATC traffic warning issued. ## Other investigations on N1802R (1) 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. - [NTSB ANC90LA031](https://openairdocs.org/ntsb/ANC90LA031), Jan 21, 1990: Cessna 185 (N1802R), Willow, AK, substantial damage. Probable cause: SELECTION OF AN UNSUITABLE LANDING AREA (UNSUITABLE TERRAIN) BY THE PILOT. FACTORS RELATED TO THE ACCIDENT WERE: DEEP SNOW ON THE RUNWAY AND FAILURE OF THE FLIGHT SERVICE STATION (FSS) SPECIALIST TO… 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.