# NTSB ANC85LA109: Cessna 207, N9975M, Emmonak, AK, May 12, 1985 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: May 11, 1985, 18:00 local (May 12, 1985, 02:00 UTC) - Place: Emmonak, AK - Coordinates: 62.789035, -164.550384 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=62.7890&lon=-164.5504&mi=10 - Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed - Report: Approved by Office Director - NTSB office: Alaska Regional Office - NTSB case key (mKey): 4510 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC85LA109 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4510/pdf - Page: https://openairdocs.org/ntsb/ANC85LA109 ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Midair collision, maneuvering - object - bird(s) (cause) - in-flight planning/decision - inadequate, pilot in command (contributing factor) - visual lookout - inadequate, pilot in command (cause) - radio communications - inadequate, pilot in command (contributing factor) - Midair collision, cruise - normal - visual lookout - inadequate, pilot in command (cause) - radio communications - inadequate, pilot in command (cause) ## Analysis (aircraft 2) THE PILOT-IN-COMMAND STATED HE WAS PASSED BY THE AIRPLANE N9975M AND DID NOT SEE IT AGAIN UNTIL HE WAS AT HIS RIGHT REAR AND SLIGHTLY BELOW. THE PROPELLER OF N9975M STRUCK THE AILERON AND DURING THE EVASIVE MANEUVERING THE LEFT MAIN GEAR OF N9975M STRUCK THE RIGHT HORIZONTAL STABILIZER AND ELEVATOR. THE PILOT STATED THE AIRPLANE REACTED NORMALLY BUT HE EXPERIENCED HEAVY CONTROL PRESSURES. HE LANDED WITHOUT FURTHER INCIDENT AT ST. MARY'S ALASKA. ## Analysis (aircraft 1) THE PILOT-IN-COMMAND STATED THAT HE PASSED THE N1809Q AIRPLANE AND WHN HE WAS 22 NAUTICAL MILES FROM THE DEPARTURE POINT HE ENCOUNTERED SOME BIRDS. THE PILOT STATED HE WAS PERFORMING MILD EVASIVE ACTION AS A RESULT OF THE BIRDS AND HE THEN HEARD HIS PROPELLER STRIKING METAL. HE SAW HIS PROPELLER STRIKING THE WING OF N1809Q AND DURING THE IMMEDIATE EVASIVE ACTION HIS LEFT MAIN GEAR STRUCK THE RIGHT HORIZONTAL STABILIZER OF THE OTHER AIRPLANE. ## Aircraft 1 - Registration: N9975M (not matched to a registry record) - Reported make and model: CESSNA 207 - Category: Airplane - Serial number: 2070772 - Airframe hours: 860 - Engines: CONTINENTAL IO-520-F 300 horsepower reciprocating - Damage: Minor damage - Flight: Part 135 - Registered owner: Hermans Air Inc. - Airworthiness certificate: Standard, Normal - Last inspection: 100 hour, April 17, 1985, 60 hours before - Departed: EMK, EMMONAK, AK - Destination: KSM, ST. MARY'S, AK - Flight plan: VFR ## Aircraft 2 - Registration: [N1809Q](https://openairdocs.org/deregistered/N1809Q-2017-04-07), registration cancelled 2017-04-07, S/N 20700787, built 1984 (OpenAirDocs) - Reported make and model: CESSNA 207A - Registry model: [Cessna 207A](https://openairdocs.org/model/cessna-207a) (registry code 2073605) (OpenAirDocs) - Registry engine: [Continental IO-520-F](https://openairdocs.org/engine/continental-io-520-f) (registry code 17237, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 20700787 - Airframe hours: 385 - Engines: CONTINENTAL IO-520-F 300 horsepower reciprocating - Damage: Substantial damage - Flight: Part 135 - Registered owner: Hermans Air Inc. - Airworthiness certificate: Standard, Normal - Departed: EMK, EMMONOK, AK - Destination: KSM, ST. MARY'S, AK - Flight plan: VFR ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N9975M; age 33; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 2,655 total, 1,010 in this make and model, 2,478 as pilot in command, 197 in the last 90 days, 8 in the last 24 hours - Pilot, aircraft N1809Q; age 34; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 5,709 total, 3,958 in this make and model, 5,455 as pilot in command, 156 in the last 90 days, 6 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 150° at 10 knots - Visibility: 90 statute miles - Lowest ceiling: none - Temperature: 55 °F ## 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 19850511076741A](https://openairdocs.org/incident/19850511076741A), May 11, 1985: Cessna 207A, Emmonak, AK, Minor damage. Began climbing turn to miss birds and struck wing and tail of company aircraft 1809Q. Landed safe with prop damage. - [Accident 19850511076742A](https://openairdocs.org/incident/19850511076742A), May 11, 1985: Cessna 207A, Emmonak, AK, Substantial damage. Was struck from the rear by 9975M, a company aircraft that made a climbing turn to avoid birds. Landed safely. 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.