- Manufacturer (registry)
- P&W CANADA
- Model
- PW121
- Registry code
- 52124
- Installed in
- 14 registered aircraft
- Type
- Turbo-prop
- Power
- 1,950 hp
- Data sheet
- TCDSE20NE
- Holder
- Pratt & Whitney Canada Corp.
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 12
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1989 | 1 |
|---|---|
| 1991 | 2 |
| 1992 | 1 |
| 1994 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2003 | 2 |
| 2006 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
Engine · Pratt & Whitney Canada PW121
AD 2015-20-03Fuel nozzle and the fuel manifold flow adapterAD 2012-26-08Propeller shaftsAD 2006-19-06Propeller shaftAD 2003-21-03Low pressure rotor speed (NL) sensorAD 2003-16-04Fuel heatersAD 98-14-02Fuel Manifold Transfer TubesAD 97-17-05Gas Generator Case Drain PortsAD 94-03-02High Pressure Turbine DisksAD 92-01-08High Pressure RotorAD 91-06-02Turbomachinery Magnetic Chip DetectorAD 91-01-03Hydromechanical Fuel Control UnitsAD 88-26-51High Pressure Turbine ComponentsSuperseded and historical ADs · 2
Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('52124'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_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 d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('52124'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_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.
Registered aircraft · 14
N228DGKonair US LLC · Miami, FLN597SBInternational Air Services Inc Trustee · Carson City, NVN798CRSouthwest Aviation Enterprises · Haslet, TXN884EATvpx Ars Inc Trustee · North Salt Lake, UTN891EATvpx Ars Inc Trustee · North Salt Lake, UTN901FXFederal Express Corp · Memphis, TNN903FXFederal Express Corp · Memphis, TNN906FXFederal Express Corp · Memphis, TNN907FXFederal Express Corp · Memphis, TNN984HANorthrop Grumman Systems Corp · El Segundo, CAN990AVBank Of Utah Trustee · Salt Lake City, UTN990BHBig Horn Airways Inc · Sheridan, WYN991BHBig Horn Airways Inc · Sheridan, WYN992BHBig Horn Airways Inc · Sheridan, WY
Query 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 ('52124')
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 ('52124')
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 · 7
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 2 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 5 cases with NTSB’s older coding, defined in its coding manual.
NTSB DCA12IA141Incident · No injuriesIncident investigationFinal reportDe Havilland DHC8 · Soldotna, AKan in-flight loss of control due to the flight crew's inattention to airspeed, pitch attitude, and engine power during the climb leading to an aerodynamic stall. Contributing to the incident was the flight crew's failure to recognize and properly recover from…NTSB CEN09MA142Accident · Serious injuriesClass 1 · MajorFinal reportAerospatiale Alenia ATR 42-320 · Lubbock, TXThe flight crew's failure to monitor and maintain a minimum safe airspeed while executing an instrument approach in icing conditions, which resulted in an aerodynamic stall at low altitude. Contributing to the accident were 1) the flight crew's failure to…NTSB LAX07CA077Accident · Serious injuriesData collectionFinal reportBombardier DHC-8-103 · Kaunakakai, HIan in-flight encounter with clear air turbulence, which resulted in a serious injury to a deadheading crewmember.NTSB NYC03LA004Accident · No injuriesLimited investigationFinal reportde Havilland DHC-8-102 · Albany, NYAn in-flight collision with birds. A factor was the night conditions.NTSB NYC02LA008Accident · No injuriesLimited investigationFinal reportAerospatiale ATR 42-320 · Yardley, PAan in flight collision with birds.NTSB FTW97LA081Accident · Minor injuriesLimited investigationFinal reportAerospatiale ATR-42-320 · Houston, TXThe pilot's failure to follow the proper taxi route while taxiing back to the terminal. A factor was the glare radiating from the airport's terminal area.NTSB NYC92LA005Accident · 1 fatalLimited investigationFinal reportAerospatiale ATR-42-320 · Bridgeport, CTThe employee's failure to follow proper procedures and the diversion of her attention which resulted in her being struck by a spinning propeller.
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 ('52124')
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 ('52124')
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 · 55
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Incident 20210817008639IDehavilland DHC-8-106 · Anchorage, AKOn departure with the aircraft leveling off at 6000 feet, the flight crew noticed that the copilot's windshield began to crack. The crew requested a return to the airport when they noticed the crack growing longer. The crew declared an emergency and made an…Incident 20150512007009IDehavilland DHC-8-106 · Anchorage, AKOn 5/12/2015 at 1445 local time N885EA, a corvus airlines owned DHC-8-106 departed Anchorage, AK for kodiak, AK. On a scheduled FAR 121 filight. Wx was clear, dry and sunny. During climb out, at 2000 feet the crew smelled smoke and the PIC saw smoke. They…Incident 20121115025319IAerospatiale/Aeritalia ATR 42-320 · Misoula, MTEnroute mso to gtf at 13,500 feet:flight 7820:pilot encountered a slight yaw to the left and a momentary torque decrease of 5% on the #1 engine. Pilot then smelled smoke. All engines readings were normal except the itt on the #1 engine which had incresed to…
See all 55 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 ('52124')
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 ('52124')
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 · 444
SDR CA190628005Bolt · missing(CAN) DURING INSPECTION, TECHNICIANS HAD FOUND DHC8-106 SN 324 WITH THE #1 ENGINE (P/N PW121 ENGINE S/N PCE-120144 MODULE S/N TM-120144) WITH THE FORWARD ENGINE MOUNT 2 TORQUE TUBE BOLTS HAVING FALLEN OUT.THERE DOES NOT APPEAR TO BE ANY VISUAL DAMAGE AND THE CSDR CA190614021Frame · cracked(CAN) DURING CLOSE UP, A CRACK WAS FOUND ON FRAME 26, PART NUMBER S53572700200. W/O 33426718 NR 00386 ORIGINATING TASK GEN-05-00-400-0002..ATR TO SUPPLY REPAIR (TC# 20190614021)SDR CA190703018Fuel Heater · malfunctioned(CAN) DURING INSTALL OF FUEL HEATER ON #1 ENGINE IT WAS DISCOVERED THAT THERE WAS WHAT APPEARED TO BE MEDIA BLAST (GLASS BEAD) IN THE FILTER BOWL. THE UNIT WAS FLUSHED AND A NEW FILTER WAS INSTALLED. 2 ADDITIONAL UNITS FROM THE SAME VENDOR WERE REMOVED FROM ST
See all 444 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 = 'PW121' 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 = 'PW121' 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.
STCs that may be installed · 13
Approved for this engine model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.
STC SE2805SOInstallation of an oil tank safety cap adapter which is intended to prevent loss of oil in the event of loss or damage to the oil filler cap.STC SE00023ENInstallation of Oil Tank Filler Neck Check Valve, Part Number TSA100Sa, Parts List Rev A dated 7/3/1997.STC SE01638NYInstallation of HP Turbine vanes with improved cooling.STC SE00344LAInstallation of Western Filter Corp. oil filter element, P/N WF334638, as a replacement for the P&W Canada filter element, P/N 3112895-01, in the lubrication system.STC SE792NEInstallation of oil tank filler neck check valve P/N TSA-100 SA.STC SE00097LAInstallation of strainer element, P/N 90220, as a replacement for strainer element, P/N 3106403-01, in the oil pressure transfer tube assembly.STC SE01045ATInstallation of engine ignition leadSTC SE00074LAInstallation of Puroflow filter element, P/N 11-11064, as a replacement for P&W Canada filter element, P/N3029315 (and optional numbers) in the reduction gearbox scavenge oil filtering system.STC SE00075LAInstallation of Puroflow filter element, P/N 11-11065, as a replacement for P&W Canada filter element, P/N3112895-01, in the reduction gearbox scavenge oil filtering system.STC SE00076LAInstallation of Puroflow filter element, P/N 11-11084, as a replacement for P&W Canada filter element, P/N3035681 (and optional part numbers) in the engine fuel filtering system.STC SE00079LAInstallation of Puroflow filter element, P/N 11-11085, as a replacement for P&W Canada filter element, P/N3035728 (and optional part numbers) in the engine fuel filtering system.STC SE00082LAInstallation of Puroflow filter element, P/N 11-11102, as a replacement for P&W Canada filter element, P/N3038454, in the engine fuel filtering system.STC SE00083LAInstallation of Puroflow filter element, P/N 70-106, as a replacement for P&W Canada filter element, P/N3034190, in the reduction gearbox scavenge oil filtering system.
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
WHERE engine_model_code IN ('52124')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_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 s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
WHERE engine_model_code IN ('52124')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_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.
PMA parts · 345
Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
WHERE tcds_number IN ('E20NE')
AND len(list_intersect(tcds_models, ['PW121'])) > 0
ORDER BY supplement_date DESC, drs_guid 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 drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
WHERE tcds_number IN ('E20NE')
AND len(list_intersect(tcds_models, ['PW121'])) > 0
ORDER BY supplement_date DESC, drs_guid 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.