# Search: 550 Release 2026-10-25. Search by a record's number, a model, or words in a record's text. Add &type= for one collection, paged: https://openairdocs.org/search.md?q=550&type=ad. Types: ad, text (AD text), proposed, saib, acs, ac, acpage (AC pages), stc, stctext (STC certificate text), model, sdr, ntsb (NTSB investigations), incident (FAA reports). Add &sort=newest or &sort=oldest to order each collection by its own date instead of best match. ## Aircraft and engine models (3) - [Aircraft model](https://openairdocs.org/model/cessna-550.md): Cessna 550 · 500 registered · registry code 2076604 - [Aircraft model](https://openairdocs.org/model/gulfstream-aerospace-550.md): Gulfstream Aerospace 550 · 1 registered · registry code 3970250 - [Aircraft model](https://openairdocs.org/model/mark-smith-550-flamewheel.md): Mark Smith 550 FLAMEWHEEL · 1 registered · registry code 06101MI ## Airworthiness directives (219) - [AD 2020-16-11](https://openairdocs.org/ad/2020-16-11.md): SUMMARY: Reciprocating Cylinder Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 23 more · Effective Sep 21, 2020 > …**550**-G","IO-**550**-N","IO-**550**-P","IO-**550**-R","IOF-**550**-N","IOF-**550**… - [AD 2016-16-12](https://openairdocs.org/ad/2016-16-12.md): Cylinder assemblies · Continental Motors LTSIO-520-AE, TSIO-520-A, TSIO-520-AE and 89 more · Effective Sep 15, 2016 > This AD applies to all Continental Motors, Inc. (CMI) model -520 and -**550** reciprocating engines, and… - [AD 2009-24-52](https://openairdocs.org/ad/2009-24-52.md): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 192 more · superseded or historical > This AD supersedure applies to all Teledyne Continental Motors (TCM) 240, 360, 470, 520, and **550**… - [AD 2023-02-12](https://openairdocs.org/ad/2023-02-12.md): Engine Air Intake System · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 127 more · Effective Feb 17, 2023 > …**550**-A","IO-**550**-B","IO-**550**-C","IO-**550**-D","IO-**550**-E","IO-**550**… All 219: https://openairdocs.org/search.md?q=550&type=ad ## In the text of ADs (761) - [AD 2020-16-11](https://openairdocs.org/ad/2020-16-11.md): (c) Applicability · PDF page 3 > …**550**-G, IO-**550**-N, IO-**550**-P, IO-**550**-R, IOF-**550**-N, IOF-**550**-P, IOF-**550**-R… - [AD 2020-16-11](https://openairdocs.org/ad/2020-16-11.md): Summary · PDF page 1 > …**550**-G, IO-**550**-N, IO-**550**-P, IO-**550**-R, IOF-**550**-N, IOF-**550**-P, IOF-**550**-R… - [AD 2020-16-11](https://openairdocs.org/ad/2020-16-11.md): Discussion · PDF page 1 > …**550**-G, IO-**550**-N, IO-**550**-P, IO-**550**-R, IOF-**550**-N, IOF-**550**-P, IOF-**550**-R… - [AD 80-09-09](https://openairdocs.org/ad/80-09-09.md): Dual Flight Director Installation > …FAA Approved Date 500 43 April 15, 1980 501 13 April 18, 1980 **550** 13 April 15, 1980 551 10… All 761: https://openairdocs.org/search.md?q=550&type=text ## Proposed ADs (61) - [NPRM FAA-2020-0222](https://openairdocs.org/proposed/FAA-2020-0222.md): Continental Aerospace Technologies · Published Apr 17, 2020 > …**550**-G, IO-**550**-N, IO-**550**-P, IO-**550**-R, IOF-**550**-N, IOF-**550**… - [NPRM FAA-2026-8791](https://openairdocs.org/proposed/FAA-2026-8791.md): Embraer EMB-545 and EMB-550 · Published Aug 28, 2026 > …Model EMB-545 and EMB-**550** airplanes. This proposed AD was prompted by the possibility of… - [NPRM FAA-2016-0069](https://openairdocs.org/proposed/FAA-2016-0069.md): Continental Motors · Published Mar 11, 2016 > …TSIO-**550**-K, TSIOF-**550**-K, TSIO- **550**-C, TSIOF-**550**-D, and TSIO-**550**-N… - [NPRM 99-NM-136-AD](https://openairdocs.org/proposed/99-NM-136-AD.md): Airworthiness Directives; Cessna Model 500, 501, 550, 551, and 560 Series Airplanes · Published Nov 18, 1999 > Airworthiness Directives; Cessna Model 500, 501, **550**, 551, and 560 Series Airplanes All 61: https://openairdocs.org/search.md?q=550&type=proposed ## Information bulletins (37) - [SAIB NE-18-16](https://openairdocs.org/saib/NE-18-16.md): POWERPLANT Alternator Drive Coupling · Issued Jun 20, 2018 > …**550**-A","TSIO-**550**-B","TSIO-**550**-C","TSIO-**550**-E","TSIO-**550**-G","TSIO-**550**… - [SAIB NE-20-05](https://openairdocs.org/saib/NE-20-05.md): POWERPLANT - Engine Camshaft Gear Tooth Fracture · Issued Apr 6, 2020 > …O-470-U, IO-470, IO-520, L/TSIO-520, LIO-520, IO-**550**, IOF-**550**… - [SAIB NE-17-11](https://openairdocs.org/saib/NE-17-11.md): POWERPLANT Engine damage as a result of kickback · Issued May 10, 2017 > …**550**-A","TSIO-**550**-B","TSIO-**550**-C","TSIO-**550**-E","TSIO-**550**-G","TSIO-**550**… - [SAIB NE-09-08](https://openairdocs.org/saib/NE-09-08.md): Reciprocating Engine Cylinder Section · Issued Jan 30, 2009 > …520 and **550** series AEC648005PL CN110 or ST110 470 series AEC648009PL CN106, ST106, CN108, or ST108… All 37: https://openairdocs.org/search.md?q=550&type=saib ## In the text of advisory circulars (403) - [AC 43.13-1B CHG 1 Ed Update](https://openairdocs.org/ac/43.13-1.md?from=426): Acceptable Methods, Techniques, and Practices—Aircraft Inspection and Repair · Page 426 > …AN340 Nut, plain, hex., AN362 Nut, plate, self-locking, n-s, course thread noncounters., **550**°F. AN363 Nut, self-locking… - [AC 36-3H](https://openairdocs.org/ac/36-3.md?from=125): Estimated Airplane Noise Levels in A-Weighted Decibels · Page 125 > …PW4098 **550**.00 445.00 74.4 88.8 25* 8,15 BOEING B-777-300 PW4098 **550**.00 445… - [AC 36-1H](https://openairdocs.org/ac/36-1.md?from=317): Noise Levels for U.S. Certificated and Foreign Aircraft · Page 317 > …E55 5.30 IO-**550**-C FC-7063Q V BEECH 10.10 PRATT&WHITNEY 2 **550** HARTZELL 93 3 2200… - [AC 36-1H](https://openairdocs.org/ac/36-1.md?from=129): Noise Levels for U.S. Certificated and Foreign Aircraft · Page 129 > …35 74.0 88.8 88.6 3 CESSNA **550** CITATION II 13.30 12.70 JT15D-4 2 2… All 403: https://openairdocs.org/search.md?q=550&type=acpage ## Supplemental type certificates (613) - [STC SE1688GL](https://openairdocs.org/stc/SE1688GL.md): Installation of a Shadin Company fuel flow transducer. · Shadin Avionics > ["IO-**550**-C","IO-**550**-L","IO-**550**-A","IO-**550**-N","IO-**550**… - [STC SE01628NY](https://openairdocs.org/stc/SE01628NY.md): Modification of starter adapter by substitution or rework of accessory drive parts. · Canadian Aero Manufacturing > ["IO-346-A","IO-346-B","IO-**550**-A","IO-**550**-B","IO-**550**… - [STC SA01597SE](https://openairdocs.org/stc/SA01597SE.md): Manufacture of replacement seats · Oregon Aero Inc > ["LC40-**550FG**","LC41-**550FG**","LC42-**550FG**","T240"] - [STC SA02003CH](https://openairdocs.org/stc/SA02003CH.md): Installation of propeller de-icing system. · Kelly Aerospace Thermal Systems LLC > ["LC40-**550FG**","LC41-**550FG**","LC42-**550FG**"] All 613: https://openairdocs.org/search.md?q=550&type=stc ## In the text of STC certificates (608) - [STC ST09559AC](https://openairdocs.org/stc/ST09559AC.md): Installation of Williams/Rolls FJ44-2A engine. Installation of STC SA732NW required for this mod. · Sierra Industries Ltd. · STC ST09559AC Rev 5.pdf · Nov 13, 2008 > …Model **550** S/N **550**-0001 through **550**-0505, and S/N **550**-0550 through **550**-0626 when… - [STC ST00011WI](https://openairdocs.org/stc/ST00011WI.md): Installation of Concorde RG380E/40 and 40B battery. · Aero-Mach Wilco LLC · ST00011WIaml.pdf · Jul 21, 2004 > …DATE Cessna 500, **550**/S550 or 560 A22CE 25 Wilco, Inc. Drawing No. W500-000, dated A pril… - [STC SA5223NM](https://openairdocs.org/stc/SA5223NM.md): Installation of modified Teledyne Continental engine equipped with turbo-normalizing system. · Engine Technologies Inc. · Certificate · Feb 3, 2006 > …10-**550**-B/UE (Ultimate Engines) and IO-**550**-B/BP (Barrett Performance Aircraft), 10-**550**-B-EE… - [STC ST01162WI](https://openairdocs.org/stc/ST01162WI.md): Reduced Vertical Separation Minimum (RVSM) group airworthiness approval of the Cessna Aircraft Model 500, 501, 550 and 551. · Blackhawk Aerospace Technologies Inc. · AML_ST01162WI.pdf · May 18, 2021 > …30140986 Rev 4*, 12/19/03 N/A 8/16/05 7 Textron Aviation (Cessna) **550** **550**-0001… All 608: https://openairdocs.org/search.md?q=550&type=stctext ## Service difficulty reports (1,000+) - [SDR O2GA20110405](https://openairdocs.org/sdr/O2GA20110405.md): Tube · Cessna 550 · Feb 16, 2011 · N550G > TUBES FOUND CRACKED. - [SDR 2011FA0000534](https://openairdocs.org/sdr/2011FA0000534.md): Structure · Cessna 550 · Aug 10, 2011 · N550G > SEAT BASE BROKEN. - [SDR 2012FA0000642](https://openairdocs.org/sdr/2012FA0000642.md): Seat · Cessna 550 · Sep 13, 2012 · N475HC > SEAT BASE BROKEN. - [SDR 2013FA0000702](https://openairdocs.org/sdr/2013FA0000702.md): Seat Frame · Cessna 550 · Oct 9, 2013 · N125RG > SEAT BASE BROKEN. All 1,000+: https://openairdocs.org/search.md?q=550&type=sdr ## NTSB investigations (1,000+) - [NTSB CHI84LA210](https://openairdocs.org/ntsb/CHI84LA210.md): Wagner Cuby WAG-A-BOND · Lyons, WI · May 27, 1984 · N34WA · Minor injuries > The plt noticed '...a little power loss...' After takeoff at about **550** AGL. He turned downwind & flew a… - [NTSB FTW90LA128](https://openairdocs.org/ntsb/FTW90LA128.md): Mooney M-20E · Luling, TX · Jun 29, 1990 · N9376V · No injuries > Field elevation was **550** feet, and density altitude was 2,500 feet. The pilot stalled his airplane on… - [NTSB LAX86LA169](https://openairdocs.org/ntsb/LAX86LA169.md): Piper PA-28-181 · Hesperia, CA · Apr 8, 1986 · N5889V · No injuries > …Rwy which had its landing threshold displaced by **550** feet. The wind was light & variable, & the student plt… - [NTSB CHI88LA135](https://openairdocs.org/ntsb/CHI88LA135.md): Cessna 152 · Urbana, IL · Jun 19, 1988 · N49207 · No injuries > …The student pilot stated that he selected the sod runway instead of the 2,**550**' x 29' asphalt… All 1,000+: https://openairdocs.org/search.md?q=550&type=ntsb ## FAA accident and incident reports (320) - [Incident 19800828065439I](https://openairdocs.org/incident/19800828065439I.md): Cessna 550 · Tulsa, OK · Aug 28, 1980 · N6Q > Experienced rapid decompression in level flight. Cause undetermined. - [Incident 19941022045819I](https://openairdocs.org/incident/19941022045819I.md): Cessna 550 · Owosso, MI · Oct 22, 1994 · N870WC · Minor damage > Struck a deer on takeoff roll. - [Incident 19890315059799I](https://openairdocs.org/incident/19890315059799I.md): Cessna 550 · Nabb, IN · Mar 15, 1989 · N712J > Autopilot malfunctioned. Pilot climbed to higher altitude than assigned. - [Incident 19870529066269I](https://openairdocs.org/incident/19870529066269I.md): Cessna 550 · Chattanooga, TN · May 29, 1987 · N3GT · Minor damage > Aircraft encounted hail while in turbulence en route. Unforecast conditions. All 320: https://openairdocs.org/search.md?q=550&type=incident