# N585SW: 2021 Cirrus Design SR22T - Status: Valid registration - Airframe: [Cirrus Design SR22T](https://openairdocs.org/model/cirrus-design-sr22t) (registry code 2130004, 5 seats) - Engine: [Continental TSIO-550-K](https://openairdocs.org/engine/continental-tsio-550-k) (registry code 17410) - Data sheets: [TCDS A00009CH](https://openairdocs.org/tcds/A00009CH) (Cirrus Design Corporation), [TCDS E5SO](https://openairdocs.org/tcds/E5SO) (Continental Aerospace Technologies, Inc.) (OpenAirDocs) - Serial number: 2255 - Year built: 2021 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard, normal - Airworthiness date: February 3, 2021 - Certificate issued: August 15, 2025 - Expires: August 31, 2032 - Mode S code: A78A20 - Registered owner: [123mm LLC](https://openairdocs.org/faa-owner/123MM%20LLC) - Location: [Hilton Head Island, SC](https://openairdocs.org/faa-place/SC/Hilton%20Head%20Island) - Owner type: LLC - Owner's area on the map: 32.1757° N, 80.7489° W: Placed by OpenAirDocs at the center of ZIP code 29928, 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=585SW - Page: https://openairdocs.org/aircraft/N585SW From the FAA registry file of October 21, 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 (Cirrus Design SR22T) - [AD 2024-24-11](https://openairdocs.org/ad/2024-24-11): Power Lever · Cirrus Design SR20, SR22 and SR22T. Effective Dec 23, 2024 - [AD 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023 - [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI). Effective Mar 21, 2022 - [AD 2012-01-11](https://openairdocs.org/ad/2012-01-11): Engine Air Intake · Cirrus Design SR22T. Effective Feb 29, 2012 ### Matched by engine (Continental TSIO-550-K) - [AD 2023-05-16](https://openairdocs.org/ad/2023-05-16): Reciprocating Engine Power Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 147 more. Effective Mar 15, 2023 - [AD 2023-02-12](https://openairdocs.org/ad/2023-02-12): Engine Air Intake System · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 127 more. Effective Feb 17, 2023 - [AD 2020-16-11](https://openairdocs.org/ad/2020-16-11): SUMMARY: Reciprocating Cylinder Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 23 more. Effective Sep 21, 2020 - [AD 2016-21-04](https://openairdocs.org/ad/2016-21-04): Oil cooler cross fitting assembly · Continental Motors TSIO-550-C, TSIO-550-K, TSIO-550-N and 2 more. Effective Nov 18, 2016 - [AD 2016-16-12](https://openairdocs.org/ad/2016-16-12): Cylinder assemblies · Continental Motors LTSIO-520-AE, TSIO-520-A, TSIO-520-AE and 89 more. Effective Sep 15, 2016 - [AD 2012-10-13](https://openairdocs.org/ad/2012-10-13): Starter adapters · Continental Motors IO-550-N, TSIO-520-B, TSIO-520-BB and 14 more. Effective Jun 8, 2012 - [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012 - [AD 2010-11-04](https://openairdocs.org/ad/2010-11-04): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 190 more. Effective Jun 16, 2010 - [AD 2004-08-10](https://openairdocs.org/ad/2004-08-10): Serial-numbered (SN) cylinders · Modify Teledyne Continental TSIO-520-NB engine (RAM Aircraft Limited Partnership STC SE09104SC or 4 others). Effective May 5, 2004 - [AD 2000-23-21](https://openairdocs.org/ad/2000-23-21): Crankshaft · Continental Motors IO-360-A, IO-360-AB, IO-360-B and 164 more. Effective Dec 12, 2000 - [AD 99-19-01](https://openairdocs.org/ad/99-19-01): No. 2 and No. 5 Crankshaft Inspections · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 127 more. Effective Sep 30, 1999 - [AD 96-12-22](https://openairdocs.org/ad/96-12-22): Full Flow Engine Oil Adapter · Bellanca CH-300 Pacemaker, 120, 140 and 361 more. Effective Jul 31, 1996 - [AD 93-10-02](https://openairdocs.org/ad/93-10-02): Missing Cylinder Valve Retainer Key · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 180 more. Effective Aug 12, 1993 ### Historical (superseded or no longer in force) - [AD 2023-04-08](https://openairdocs.org/ad/2023-04-08) (historical): Reciprocating Engine Power Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 141 more. Effective Feb 23, 2023 - [AD 2011-25-51](https://openairdocs.org/ad/2011-25-51) (historical): Starter Adapter Gear Shaft · Continental Motors IO-550-N, TSIO-520-B, TSIO-520-BB and 14 more. Effective Dec 28, 2011 - [AD 2009-24-52](https://openairdocs.org/ad/2009-24-52) (historical): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 192 more ## Information bulletins (advisory) (8 in force) - [SAIB CE-13-43R1](https://openairdocs.org/saib/CE-13-43R1): Aircraft Fuel Distribution System and Ice/Rain Protection System. Issued Sep 30, 2013 - [SAIB CE-11-50](https://openairdocs.org/saib/CE-11-50): Flight Controls, Flaps. Issued Aug 26, 2011 - [SAIB NE-20-05](https://openairdocs.org/saib/NE-20-05): POWERPLANT - Engine Camshaft Gear Tooth Fracture. Issued Apr 6, 2020 - [SAIB NE-18-16](https://openairdocs.org/saib/NE-18-16): POWERPLANT Alternator Drive Coupling. Issued Jun 20, 2018 - [SAIB NE-17-11](https://openairdocs.org/saib/NE-17-11): POWERPLANT Engine damage as a result of kickback. Issued May 10, 2017 - [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016 - [SAIB NE-13-15](https://openairdocs.org/saib/NE-13-15): Engine Controls: Continental Motors, Inc. (CMI) Throttle and Mixture Control Levers. Issued Feb 8, 2013 - [SAIB NE-13-04](https://openairdocs.org/saib/NE-13-04): Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection. Issued Oct 31, 2012 - [SAIB CE-13-43](https://openairdocs.org/saib/CE-13-43) (historical): Aircraft Fuel Distribution System and Ice/Rain Protection System. Issued Aug 30, 2013 ## NTSB investigations None matched to N585SW. ## FAA accident and incident reports None matched to N585SW. ## Service difficulty reports (100, newest 50) As reported by operators and repair stations. - [SDR SWIA201439225](https://openairdocs.org/sdr/SWIA201439225), Aug 26, 2014: DOOR. DAMAGED. CREW REPORTED A CABIN ALTITUDE WARNING DURING CRUISE AT 20K, HAD TO DESCEND TO 10K & DIVERT. REPAIRED CARGO DOOR AND RETAINER. ALSO REPLACED ALTITUDE CONTROLLER - [SDR SWIA201436765](https://openairdocs.org/sdr/SWIA201436765), Mar 8, 2014: ROLLER. LACK OF LUBE. MAIN CABIN DOOR IS HARD TO OPEN. LUBED MAIN CABIN DOOR ROLLERS AS REQUIRED. SECURED MAIN CABIN DOOR STACKS AS REQUIRED. - [SDR SWIA201436651](https://openairdocs.org/sdr/SWIA201436651), Mar 1, 2014: HANDLE. LACK OF LUBE. MAIN CABIN DOOR HARD TO OPEN. FLT 5365 LUBED DOOR HANDLE & ROLLERS AS REQUIRED. OPERATIONS CHECKED GOOD ON MAIN CABIN DOOR. - [SDR SWIA201436466](https://openairdocs.org/sdr/SWIA201436466), Feb 21, 2014: ROLLER. LACK OF LUBE. MAIN CABIN DOOR VERY DIFFICULT TO OPEN. FLT 6444 LUBED MAIN CABIN DOOR ROLLERS & DOOR HANDLE AS REQUIRED. OPERATIONS CHECKED GOOD. - [SDR SWIA201436333](https://openairdocs.org/sdr/SWIA201436333), Feb 12, 2014: ROD END. DIRTY. MAIN CABIN DOOR DIFFICULT TO OPEN. FLT 5348 CLEANED & LUBED MAIN CABIN DOOR LOWER ROD ENDS. - [SDR SWIA201435977](https://openairdocs.org/sdr/SWIA201435977), Jan 9, 2014: COMPUTER. FAILED. DURING CLIMB WITH AUTOPILOT SELECTED TO FIRST OFFICER. AUTOPILOT BEGAN UNCOMMANDED AGGRESSIVE PITCH UP. AFTER DISCONNECTING AUTOPILOT, BOTH CAPTAIN & FIRST OFFI - [SDR SWIA201435925](https://openairdocs.org/sdr/SWIA201435925), Jan 2, 2014: LIGHT. INOPERATIVE. THE AFT MOST CEILING EMERGENCY LIGHT IS BURNED OUT. FLT 5437 RELAMPED. - [SDR SWIA201335723](https://openairdocs.org/sdr/SWIA201335723), Dec 15, 2013: SWITCH. STUCK. MAIN CABIN DOOR DID NOT OPEN NORMALLY, USE OF THE FWD DOOR EMERGENCY VLV WAS REQUIRED TO OPEN DOOR. FLT 5474 FOUND SWITCH FOR MAIN CABIN DOOR STUCK IN. FREED OU - [SDR SWIA201334417](https://openairdocs.org/sdr/SWIA201334417), Aug 27, 2013: COVER. LOOSE. FLOOR LEVEL EMERGENCY LIGHT & PLASTIC COVER LOOSE. FLT#6268 REPLACED FLOOR LEVEL EMERGENCY LIGHT & RESECURED PLASTIC COVER. PN 10-1307-3 - [SDR SWIA201333924](https://openairdocs.org/sdr/SWIA201333924), Jul 8, 2013: LIGHT. INOPERATIVE. AFT FLOOR EMERGENCY LIGHT IS BURNED OUT. FLT#5386 RELAMPED. - [SDR SWIA201333437](https://openairdocs.org/sdr/SWIA201333437), May 8, 2013: SIGN. MISSING. ROW 6 LOWER EMERGENCY EXIT SIGN MISSING. (FLT 6346) RELAMPED EMERGENCY EXIT SIGN. - [SDR SWIA201333221](https://openairdocs.org/sdr/SWIA201333221), Apr 8, 2013: WIRE. BROKEN. AFT FLOOR EMERGENCY LIGHT DOES NOT ILLUMINATE. (FLT 5516) REPAIRED BROKEN WIRE TO AFT FLOOR EMERGENCY LIGHT. - [SDR SWIA201333171](https://openairdocs.org/sdr/SWIA201333171), Mar 30, 2013: LIGHT. INOPERATIVE. AFT MOST FLOOR EMERGENCY FLOOR LIGHT STRIP IS BURNED OUT. (FLT 5476) REPLACED THE FLOOR STRIP EMERGENCY LIGHT IN THE AFT MOST POSITION. - [SDR SWIA201332563](https://openairdocs.org/sdr/SWIA201332563), Jan 16, 2013: LIGHT. BURNED. SMOKE REPORTED IN CABIN. (FLT 5363) FOUND OVERHEAD LIGHT FIXTURE ASSEMBLY BURNED AT ONE END NEAR ROW 9 B/C. REPLACED LIGHT ASSEMBLY. - [SDR SWIA201332560](https://openairdocs.org/sdr/SWIA201332560), Jan 11, 2013: LIGHT. INOPERATIVE. TWO RED EMERGENCY FLOOR LIGHTS IN FORWARD SECTION ARE INOPERATIVE. (FLT 5439) SPLICED IN 2 NEW FLOOR STRIP LIGHTS. - [SDR SWIA201332559](https://openairdocs.org/sdr/SWIA201332559), Jan 6, 2013: SIGN. BROKEN. EXIT SIGN AT SEAT 9C IS BROKEN. (FLT 6330) REPAIRED EXIT SIGN AT 9 C/D. - [SDR SWIA201232337](https://openairdocs.org/sdr/SWIA201232337), Dec 10, 2012: MECHANISM. LACK OF LUBE. MAIN CABIN DOOR REPORTED DIFFICULT TO OPEN. (FLT 5341) LUBRICATED DOOR ACTUATING MECHANISM IAW AMM. - [SDR SWIA201232138](https://openairdocs.org/sdr/SWIA201232138), Nov 4, 2012: LIGHT. INOPERATIVE. AFT OVERHEAD EMERGENCY LIGHT IS OUT. (FLT 5440) RELAMPED EMERGENCY LIGHT. - [SDR SWIA201231622](https://openairdocs.org/sdr/SWIA201231622), Aug 24, 2012: COWL FLAP. CRACKED. LEFT NACELLE FLAP CRACKED. (A-INSPECTION) REPLACED LEFT NACELLE FLAP IN REFERENCE TO EMB120 AMM. - [SDR SWIA201231207](https://openairdocs.org/sdr/SWIA201231207), Jul 8, 2012: CONNECTOR. DEFECTIVE. SMOKE WAS IN THE COCKPIT AND AN ODOR CONSISTENT WITH ELECTRICAL OVERHEAT. (FLT 5481) REPLACED 1 CONNECTOR ON SENSING WIRE FOR APU CONTACTOR IN REFERENCE TO EMB - [SDR SWIA201230950](https://openairdocs.org/sdr/SWIA201230950), Jun 8, 2012: GCU. FAILED. LOST EADI AND EHSI FOR 3 SECONDS ON TAKEOFF WHEN THE AUX GENS CAME ON. (FLT 6397) REPLACED BOTH AUX GENERATOR GCU'S AND REPLACED NR 1 DPU. P/N 51549-001A, S/N O - [SDR SWIA201230831](https://openairdocs.org/sdr/SWIA201230831), May 24, 2012: DOOR. LACK OF LUBE. MAIN CABIN DOOR DIFFICULT TO OPEN AND CLOSE. (FLT 6376) LUBED THE MAIN CABIN DOOR. - [SDR SWIA201230775](https://openairdocs.org/sdr/SWIA201230775), May 18, 2012: HANDLE. DIRTY. MAIN CABIN DOOR HANDLE VERY STIFF AND DIFFICULT TO OPERATE. (FLT 6209) CLEANED AND LUBRICATED PASSENGER DOOR HANDLE AND ROD ENDS. - [SDR SWIA201230760](https://openairdocs.org/sdr/SWIA201230760), May 17, 2012: DOOR. LACK OF LUBE. MAIN CABIN DOOR DIFFICULT TO OPEN. (FLT 5406) LUBRICATED MAIN CABIN DOOR. - [SDR SWIA201230769](https://openairdocs.org/sdr/SWIA201230769), May 16, 2012: HANDLE. LACK OF LUBE. FORWARD DOOR VERY DIFFICULT TO OPEN AND CLOSE. (FLT 6209) CLEANED AND LUBED FORWARD DOOR HANDLE. - [SDR SWIA201230619](https://openairdocs.org/sdr/SWIA201230619), May 3, 2012: LIGHT. INOPERATIVE. ONE WHITE FLOOR LEVEL EMERGENCY LIGHT AT SEAT 3A IS OUT. (FLT 6318) RELAMPED EMERGENCY LIGHT. - [SDR SWIA201230377](https://openairdocs.org/sdr/SWIA201230377), Mar 22, 2012: LIGHT. INOPERATIVE. LOWER OUTER TAIL NAV LIGHT IS OUT. (FLT 5450) RELAMPED NAV LIGHT. - [SDR SWIA201128544](https://openairdocs.org/sdr/SWIA201128544), Nov 5, 2011: WIRE. BROKEN. FIRST THREE FLOOR EMERGENCY LIGHTS ARE OUT. (FLT 6388) REPAIRED WIRE TO FIRST 3 FLOOR EMERGENCY LIGHTS. - [SDR SWIA201128424](https://openairdocs.org/sdr/SWIA201128424), Oct 27, 2011: WIRE. BROKEN. BOTH FORWARD FLOOR LEVEL EMERGENCY EXIT LIGHTS ARE OUT BY MAIN CABIN DOOR. (FLT 6317) REPAIRED BROKEN WIRE AT FORWARD RED FLOOR EMERGENCY LIGHTS. - [SDR SWIA201128159](https://openairdocs.org/sdr/SWIA201128159), Oct 5, 2011: SIGN. BROKEN. ROW 6 EMERGENCY "EXIT" SIGN IS BROKEN. (SERVICE) REPLACED EMERGENCY EXIT SIGN AT ROW 6 B&C. - [SDR SWIA201126857](https://openairdocs.org/sdr/SWIA201126857), Jul 19, 2011: WIRE. BROKEN. RED FLOOR EMERGENCY LIGHTS ARE OUT NEAR MAIN CABIN DOOR. (FLT 5361) REPAIRED BROKEN WIRE BY RED FLOOR EMERGENCY LIGHTS AT MAIN CABIN DOOR. - [SDR SWIA201126277](https://openairdocs.org/sdr/SWIA201126277), May 17, 2011: LIGHT. INOPERATIVE. EMERGENCY FLOOR FORWARD WHITE LIGHT IS OUT. (FLT 6814) RELAMPED EMERGENCY LIGHT. - [SDR SWIA201125936](https://openairdocs.org/sdr/SWIA201125936), Apr 1, 2011: LIGHT. INOPERATIVE. EMERGENCY LIGHT ABOVE ROW 9 IS OUT. (FLT 6446) RELAMPED EMERGENCY LIGHT. - [SDR SWIA201125812](https://openairdocs.org/sdr/SWIA201125812), Mar 13, 2011: WIRE. BROKEN. TWO RED FLOOR EMERGENCY LIGHTS ARE OUT. (FLT 6423) REPAIRED BROKEN WIRES. - [SDR SWIA201125811](https://openairdocs.org/sdr/SWIA201125811), Mar 11, 2011: DOOR. LACK OF LUBE. MCD HARD TO OPERATE. (FLT 6501) LUBED MCD. - [SDR SWIA201125519](https://openairdocs.org/sdr/SWIA201125519), Jan 20, 2011: WIRE. BROKEN. ONE FORWARD RED EMERGENCY LIGHT AT FORWARD DOOR FLOOR LEVEL IS OUT. (SERVICE) REPAIRED BROKEN WIRE. - [SDR SWIA201125483](https://openairdocs.org/sdr/SWIA201125483), Jan 17, 2011: STRINGER. CRACKED. RIGHT WING NR 1 FUEL PANEL FORWARD STRINGER IS CRACKED. (C-CHECK) REPAIRED RIGHT WING NR 1 FUEL PANEL FORWARD STRINGER. - [SDR SWIA201125484](https://openairdocs.org/sdr/SWIA201125484), Jan 15, 2011: STRINGER. CRACKED. RIGHT WING LOWER WING STRINGER 10R FORWARD OF NR 2 FUEL PANEL IS CRACKED. (C-CHECK) REPAIRED RIGHT WING LOWER WING STRINGER 10R FORWARD OF NR 2 FUEL PANEL. - [SDR SWIA201125482](https://openairdocs.org/sdr/SWIA201125482), Jan 15, 2011: STRINGER. CRACKED. RIGHT WING NR 2 FUEL PANEL AFT STRINGER CRACKED. (C-CHECK) REPAIRED RIGHT WING LOWER WING STRINGER AFT OF NR 2 FUEL PANEL. - [SDR SWIA201125403](https://openairdocs.org/sdr/SWIA201125403), Jan 6, 2011: DOOR. LACK OF LUBE. MAIN CABIN DOOR DIFFICULT TO OPEN. (FLT 7026) LUBED MAIN CABIN DOOR. - [SDR SWIA201025382](https://openairdocs.org/sdr/SWIA201025382), Dec 18, 2010: SHIM. OUT OF POSITION. MCD DIFFICULT TO OPEN AND CLOSE. (FLT 6227) REPOSITIONED BACKSTOP SHIMS AT FORWARD UPPER POSITION. - [SDR SWIA190025123](https://openairdocs.org/sdr/SWIA190025123), Nov 4, 2010: CIRCUIT BREAKER. FAILED. IN FLIGHT, CREW LOST LEFT PANEL BACKLIGHTING, RIGHT ENGINE TORQUE AND T6 GAUGES ALONG WITH EMERGENCY BUSS OFF LIGHT AND LANDING GEAR FAILED TO EXTEND NORMALLY. - [SDR SWIA201024944](https://openairdocs.org/sdr/SWIA201024944), Sep 20, 2010: LIGHT. INOPERATIVE. FORWARD FLOOR TRACK LIGHT INOPERATIVE. (SERVICE CHECK) RELAMPED FLOOR TRACK LIGHT. - [SDR SWIA201024071](https://openairdocs.org/sdr/SWIA201024071), Apr 14, 2010: HINGE. DIRTY. MAIN CABIN DOOR IS VERY DIFFICULT TO OPEN AND CLOSE. (FLT 6302) CLEANED AND LUBED HINGE POINTS. - [SDR SWIA201023983](https://openairdocs.org/sdr/SWIA201023983), Apr 4, 2010: LIGHT. INOPERATIVE. WHITE FLOOR EMERGENCY LIGHT AT ROW 3 INOP. (FLT 6363) REPLACED LIGHT ASSEMBLY. - [SDR SWIA201023981](https://openairdocs.org/sdr/SWIA201023981), Apr 1, 2010: WIRE. BROKEN. TWO WHITE FLOOR EMERGENCY LIGHTS INOP AT ROWS 2 AND 3. (FLT 6012) REPLACED WIRE ON LIGHT STRIP. - [SDR SWIA201023960](https://openairdocs.org/sdr/SWIA201023960), Mar 25, 2010: LIGHT. INOPERATIVE. FLOOR EMERGENCY LIGHT STRIP RED LIGHT INOP. (FLT 6238) REPLACED LIGHT ASSEMBLY. - [SDR SWIA201023603](https://openairdocs.org/sdr/SWIA201023603), Jan 29, 2010: LIGHT. INOPERATIVE. FIRST RED EMERGENCY FLOOR LIGHT INOP. (FLT 6415) RELAMPED EMERGENCY LIGHT. - [SDR SWIA200923410](https://openairdocs.org/sdr/SWIA200923410), Dec 31, 2009: WIRE. BROKEN. FLOOR LEVEL EMERGENCY LIGHT AT ROW 3 INOP. (FLT 6191) REPAIRED WIRES. - [SDR SWIA200923261](https://openairdocs.org/sdr/SWIA200923261), Nov 29, 2009: SEAT BELT. OUT OF POSITION. MAIN DOOR WOULD NOT OPEN. (FLT 5795)REPOSITIONED SEAT BELT AND RETRACTED FLIGHT ATTENDANT SEAT BOTTOM. All 100: https://openairdocs.org/aircraft/N585SW/reports.md ## Related - Other Cirrus Design SR22T aircraft: https://openairdocs.org/model/cirrus-design-sr22t/aircraft.md - STCs for the Cirrus Design SR22T: https://openairdocs.org/model/cirrus-design-sr22t/stcs.md - The Continental TSIO-550-K engine: https://openairdocs.org/engine/continental-tsio-550-k.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.