- Manufacturer (registry)
- P & W
- Model
- R-985-AN-1
- Registry code
- 51659
- Installed in
- 31 registered aircraft
- Type
- Reciprocating
- Power
- 450 hp
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 0
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
No ADs matched this model
Registered aircraft · 31
N106FSUsda Forest Service · Boise, IDN10DNAdams Harry J · New Waverly, TXN10MRRussell Michael K · Sprakers, NY
See all 31 registered aircraftQuery with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('51659')
ORDER BY n_number"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('51659')
ORDER BY n_numberRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB investigations · 12
Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.
Of 5 cases NTSB coded with a defining event. All defining events
Findings NTSB made part of the probable cause. A case can have several. All findings
Of 6 cases with NTSB’s older coding, defined in its coding manual.
NTSB CEN21FA424Accident · 1 fatalClass 3 · FieldFinal reportBoeing A75 · Delta, COThe pilot’s loss of control during an aerobatic maneuver, resulting in the airplane impacting terrain.NTSB CEN21LA202Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75 · Denver, COThe pilot’s failure to maintain directional control during the landing roll with variable and gusty wind conditions.NTSB CEN18LA152Accident · No injuriesLimited investigationFinal reportGrumman G 164A · Garwood, TXA partial loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.NTSB CEN15LA377Accident · No injuriesLimited investigationFinal reportGrumman G 164B · Sac City, IAThe loss of engine power for reasons that could not be determined based on the available information.NTSB CEN11LA563Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Mansfield, SDThe loss of engine power due to debris in the engine air intake system.NTSB ANC07LA094Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 MK1 · Kodiak, AKThe pilot's inadequate compensation for wind conditions while water taxiing. A factor contributing to the accident was wind gusts.NTSB ATL00LA087Accident · No injuriesLimited investigationFinal reportGrumman G164A · Dillon, SCA total loss of engine power due to a cracked cylinder head. A factor was the emergency landing into unsuitable terrain, and the subsequent nose over.NTSB FTW00LA098Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Garwood, TXThe failure of the left magneto, which resulted in the partial loss of engine power during takeoff.NTSB LAX00LA119Accident · No injuriesLimited investigationFinal reportStearman A-75 · Imperial, CAThe failure of the pilot-in-command to maintain directional control of the aircraft during landing roll.NTSB FTW92LA130Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Fisher, ARThe loss of complete engine for undetermined reasons. A factor was the low altitude and unsuitable terrain.NTSB LAX86LA215Accident · Minor injuriesLimited investigationFinal reportBoeing A75 · Angels Camp, CANumerous ground witnesses observed the aircraft fly low along the river which fed into the new melonies reservoir lake and then collide with unmarked high tension power lines which spanned a narrow portion of the lake. The pilot thought the aircraft was at…NTSB FTW72FPG74Accident · No injuriesClosedGrumman G-164A · Turrell, AR
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
WHERE a.engine_model_code IN ('51659')
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('51659')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
FAA incident reports · 21
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Accident 20210917015839ABoeing A75 · Delta, COWitnesses noticed the aircraft north east of the airfield doing aerobatic maneuvers. The witnesses stated that the aircraft completed a loop and entered an inverted flat spin of which the pilot regained control. The aircraft then gained altitude and the pilot…Accident 20210426007329ABoeing A75 · Englewood, COOn 04/26/2021, at 1945Z, a Boeing/stearman, N56760, piloted by [privacy data omitted], [privacy data omitted] was involved in an aircraft accident on runway 28 at kapa. The flight originated at kgxy as a day VFR flight to kapa and departed at approximately…Accident 20180427004199AGrumman G-164A · Garwood, TXOn 04/27/2018 pilot took off from heiman (private) strip in N6637. After rotation he reported that the aircraft lost power and he was forced to land in a field next to the farm strip. The aircraft landed hit an earth berm shearing off the main landing gear…
See all 21 incident reportsQuery with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('51659')
ORDER BY event_date DESC, report_number DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('51659')
ORDER BY event_date DESC, report_number DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Service difficulty reports · 30
SDR CA151030020Cylinder · failed(CAN) DURING INSPECTION FOUND FOUR FAILED STUDS ON NR 3 CYLINDER ASSEMBLY. ALSO CRACK WAS SEEN ON FRONT CRANK CASE ADJACENT TO THE CYLINDER.SDR CA150527006Control Cable · frayed(CAN) DURING ITS ANNUAL INSPECTION, THE LT RUDDER CABLE ASSEMBLY WAS FOUND WORN & FRAYED ON THE AFT PULLEY. THE RT RUDDER CABLE WAS FOUND TO BE WORN OUT & FRAYED AS WELL. CABLES REMOVED & TO BE REPLACED WITH NEW UNITS. BOTH LT & RT RUDDER CABLE ASSEMBLIES ASDR CA141015006Rib · cracked(CAN) ANNUAL INSPECTION REVEALED CRACKS IN THE MAJORITY OF BOTH THE LH AND RH WING LEADING EDGE NOSE RIBS, CRACKS EMANATE FROM THE AFT PORTION OF THE UPPER AND LOWER FLANGES OF THE RIBS.
See all 30 difficulty reportsQuery with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'R985AN1' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'R985AN1' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.