# N39TT: 2022 Pilatus PC-24 - Status: Valid registration - Airframe: [Pilatus PC-24](https://openairdocs.org/model/pilatus-pc-24) (registry code 7090453, 9 seats) - Engine: [Williams FJ44-4A-QPM](https://openairdocs.org/engine/williams-fj44-4a-qpm) (registry code 66013) - Data sheets: [TCDS A00072CE](https://openairdocs.org/tcds/A00072CE) (Pilatus Aircraft Ltd), [TCDS E3GL](https://openairdocs.org/tcds/E3GL) (Williams International Company L.L.C.) (OpenAirDocs) - Serial number: 256 - Year built: 2022 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, commuter - Airworthiness date: February 15, 2022 - Certificate issued: July 12, 2024 - Expires: July 31, 2031 - Mode S code: A4822B - Registered owner: [39tt LLC](https://openairdocs.org/faa-owner/39TT%20LLC) - Location: [Lake Zurich, IL](https://openairdocs.org/faa-place/IL/Lake%20Zurich) - Owner type: LLC - Owner's area on the map: 42.2016° N, 88.0463° W: Placed by OpenAirDocs at the center of ZIP code 60047, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=39TT - Page: https://openairdocs.org/aircraft/N39TT From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 17 in force ### Matched by airframe (Pilatus PC-24) - [AD 2026-17-11](https://openairdocs.org/ad/2026-17-11): Windshield/Door Rain/Ice Removal · Pilatus PC-24. Effective Oct 20, 2026 - [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026 - [AD 2026-07-10](https://openairdocs.org/ad/2026-07-10): Rudder Control System · Pilatus PC-24. Effective May 19, 2026 - [AD 2025-20-02](https://openairdocs.org/ad/2025-20-02): Navigation System · Pilatus PC-24. Effective Dec 30, 2025 - [AD 2025-10-10](https://openairdocs.org/ad/2025-10-10): Rudder Tab Control System · Pilatus PC-24. Effective Jul 7, 2025 - [AD 2023-15-06](https://openairdocs.org/ad/2023-15-06): Heating System · Pilatus PC-24. Effective Sep 27, 2023 - [AD 2023-12-04](https://openairdocs.org/ad/2023-12-04): Weather Radar System · Pilatus PC-24. Effective Aug 7, 2023 - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2022-08-09](https://openairdocs.org/ad/2022-08-09): Auto Flight System, Electrical Power System, Central Computers (EICAS), Oxygen System, Central Maint, Computer · Pilatus PC-24. Effective Jun 14, 2022 - [AD 2021-26-21](https://openairdocs.org/ad/2021-26-21): Fuel Dump System · Pilatus PC-24. Effective Feb 25, 2022 - [AD 2021-11-12](https://openairdocs.org/ad/2021-11-12): Engine Mount Section · Pilatus PC-24. Effective Jul 15, 2021 - [AD 2021-06-01](https://openairdocs.org/ad/2021-06-01): Electrical Power · Pilatus PC-24. Effective May 4, 2021 - [AD 2021-04-03](https://openairdocs.org/ad/2021-04-03): Air Conditioning System · Pilatus PC-24. Effective Mar 30, 2021 - [AD 2021-01-05](https://openairdocs.org/ad/2021-01-05): ELECTRICAL POWER SYSTEM WIRING, INSTRUMENT SYSTEM WIRING · Pilatus PC-24. Effective Mar 30, 2021 - [AD 2020-24-01](https://openairdocs.org/ad/2020-24-01): Ice and Rain Protection · Pilatus PC-24. Effective Dec 28, 2020 - [AD 2020-22-17](https://openairdocs.org/ad/2020-22-17): Fuel · Pilatus PC-24. Effective Dec 14, 2020 - [AD 2020-21-12](https://openairdocs.org/ad/2020-21-12): Doors · Pilatus PC-24. Effective Dec 8, 2020 ### Matched by engine (Williams FJ44-4A-QPM) None in force. ### Historical (superseded or no longer in force) - [AD 2023-26-05](https://openairdocs.org/ad/2023-26-05) (historical): Rudder Tab Control System · Pilatus PC-24. Effective Jan 3, 2024 - [AD 2023-11-05](https://openairdocs.org/ad/2023-11-05) (historical): DC Power/Distribution System · Pilatus PC-24. Effective Jul 18, 2023 - [AD 2021-10-28](https://openairdocs.org/ad/2021-10-28) (historical): Stabilizer Control System · Pilatus PC-24. Effective Jul 15, 2021 ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N39TT. ## NTSB investigations on N39TT not matched to an aircraft (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 CEN23LA403](https://openairdocs.org/ntsb/CEN23LA403), Aug 21, 2023: Israel Aircraft Industries 1125 Westwind Astra (N39TT), Wheeling, IL, substantial damage. Probable cause: A loss of braking effectiveness during landing for reasons that could not be determined, which resulted in a runway excursion. ## FAA accident and incident reports None matched to N39TT. ## Reports on N39TT not matched to an aircraft (1) They name N39TT, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Accident 20230821015189A](https://openairdocs.org/incident/20230821015189A), Aug 21, 2023: Israel Aircraft Industries 1125 WESTWIND ASTRA (N39TT), Wheeling, IL, Substantial damage. Aircraft was cleared a visual approach to runway 16 at palwaukee executive airport, Wheeling, Illinois (kpwk). After touchdown the pilot in command (PIC)… ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## Service difficulty reports on N39TT not matched to an aircraft (1) They name N39TT, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR 2022F00279](https://openairdocs.org/sdr/2022F00279), Apr 24, 2022: NONE. NONE. AFTER COMPLETING A LEG FROM NAPLES, FL WE MADE A SUCCESSFUL LANDING AT KMKE WITH NO ABNORMALITIES. THE PASSENGERS WERE DEPLANED AND THE AIRCRAFT WAS REFUELED. W ## STCs that may be installed (OpenAirDocs) (10) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Pilatus PC-24) - [STC SA01124DE](https://openairdocs.org/stc/SA01124DE): Installation of an Gogo Galileo HDX. Peregrine - [STC SA11158SC](https://openairdocs.org/stc/SA11158SC): Demonstration of aircraft tolerance to potential electromagnetic interference from certain Transmitting Potable Electronic Devices (T-PEDS). Liberty Partners Inc - [STC SA11832CH](https://openairdocs.org/stc/SA11832CH): Installation of an Aircraft Medical Conversion. Spectrum AeroMed LLC dba Spectrum AeroMed - [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc - [STC SA00076IB](https://openairdocs.org/stc/SA00076IB): Installation of Photo luminescent Safety Systems. STG AEROSPACE GERMANY GmbH - [STC SA01072DE](https://openairdocs.org/stc/SA01072DE): Airtext system installation. Pilatus Business Aircraft Ltd - [STC SA01082DE](https://openairdocs.org/stc/SA01082DE): Installation of Cabin Power Outlets. Pilatus Business Aircraft Ltd - [STC SA01003DE](https://openairdocs.org/stc/SA01003DE): Avance L3 system installation. Pilatus Business Aircraft, LTD - [STC SA01905WI](https://openairdocs.org/stc/SA01905WI): Transmitting Portable Electronic Devices (T-PED) Aircraft Tolerance Testing. EPPS Air Service dba EPPS Aviation - [STC SA01025DE](https://openairdocs.org/stc/SA01025DE): Medical Interior Installation. Pilatus Business Aircraft LTD ## Related - Other Pilatus PC-24 aircraft: https://openairdocs.org/model/pilatus-pc-24/aircraft.md - The Williams FJ44-4A-QPM engine: https://openairdocs.org/engine/williams-fj44-4a-qpm.md --- 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.