# Search: 550

Proposed ADs: 61 matches in release 2026-11-10. Page 1.

- [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
- [NPRM FAA-2026-11796](https://openairdocs.org/proposed/FAA-2026-11796.md): Embraer EMB-545 and EMB-550 · Published Oct 1, 2026
  > …Model EMB-545 and EMB-**550** airplanes. AD 2024-05-13 requires revising the Limitations and…
- [NPRM 95-NM-56-AD](https://openairdocs.org/proposed/95-NM-56-AD.md): Airworthiness Directives; Cessna Model 441, 500, 550, and 560 Series Airplanes · Published Aug 18, 1995
  > Airworthiness Directives; Cessna Model 441, 500, **550**, and 560 Series Airplanes
- [NPRM FAA-2005-22558](https://openairdocs.org/proposed/FAA-2005-22558.md): Cessna · Published Sep 30, 2005
  > The FAA proposes to adopt a new airworthiness directive (AD) for certain Cessna Model 500, **550**…
- [NPRM 99-NM-136-AD](https://openairdocs.org/proposed/99-NM-136-AD.md): Airworthiness Directives; Cessna Models 500, 501, 550, 551, and 560 Airplanes · Published Jul 16, 1999
  > Airworthiness Directives; Cessna Models 500, 501, **550**, 551, and 560 Airplanes
- [NPRM FAA-2005-20970](https://openairdocs.org/proposed/FAA-2005-20970.md): Cessna · Published Apr 18, 2005
  > Airworthiness Directives; Cessna Model 500, 501, **550**, S550, 551, and 560 Airplanes
- [NPRM FAA-2007-0051](https://openairdocs.org/proposed/FAA-2007-0051.md): Teledyne Continental Motors · Published Apr 11, 2008
  > Airworthiness Directives; Teledyne Continental Motors (TCM) IO- 520, TSIO-520, and IO-**550** Series Engines with…
- [NPRM FAA-2005-20970](https://openairdocs.org/proposed/FAA-2005-20970.md): Cessna · Published Oct 25, 2005
  > Airworthiness Directives; Cessna Model 500, 501, **550**, S550, 551, and 560 Airplanes
- [NPRM FAA-2012-0002](https://openairdocs.org/proposed/FAA-2012-0002.md): Airworthiness Directives; Continental Motors, Inc. Reciprocating Engines; Initial Regulatory Flexibility Analysis · Published Mar 12, 2014
  > …Continental Motors, Inc. (CMI) models 520 and **550** reciprocating engines, and all other engine models approved…
- [NPRM 97-NM-170-AD](https://openairdocs.org/proposed/97-NM-170-AD.md): Airworthiness Directives; Cessna Model 500, 501, 550, 551, and 560 Series Airplanes · Published Sep 16, 1997
  > Airworthiness Directives; Cessna Model 500, 501, **550**, 551, and 560 Series Airplanes
- [NPRM FAA-2007-27258](https://openairdocs.org/proposed/FAA-2007-27258.md): Cessna · Published Feb 15, 2007
  > Airworthiness Directives; Cessna Model 500, 501, **550**, 551, S550, 560, 560XL, and 750 Airplanes
- [NPRM 2000-NM-65-AD](https://openairdocs.org/proposed/2000-NM-65-AD.md): Cessna · Published Nov 12, 2003
  > Airworthiness Directives; Cessna Model 500, 501, **550**, and 551 Airplanes
- [NPRM FAA-2012-0002](https://openairdocs.org/proposed/FAA-2012-0002.md): Continental Motors · Published Aug 12, 2013
  > …Continental Motors, Inc. (CMI) models 520 and **550** reciprocating engines, and all other engine models approved…
- [NPRM FAA-2005-22898](https://openairdocs.org/proposed/FAA-2005-22898.md): Airworthiness Directives; McCauley Propeller Systems Models 3A32C406/82NDB-X and D3A32C409/82NDB-X Propellers · Published Nov 16, 2005
  > …TCM) IO- 520, TSIO-520, or IO-**550** reciprocating engines. These propellers are herein referred to…
- [NPRM FAA-2012-0002](https://openairdocs.org/proposed/FAA-2012-0002.md): Continental Motors · Published Jan 8, 2015
  > …These cylinder assemblies are used on all Continental Motors, Inc. (CMI) model 520 and **550** reciprocating…
- [NPRM FAA-2025-0476](https://openairdocs.org/proposed/FAA-2025-0476.md): Embraer · Published Mar 26, 2025
  > …Model EMB-545 and EMB-**550** airplanes. This proposed AD was prompted by a jamming failure…
- [NPRM FAA-2020-0584](https://openairdocs.org/proposed/FAA-2020-0584.md): Embraer · Published Jul 17, 2020
  > …Model EMB-**550** and EMB-545 airplanes. This proposed AD was prompted by reports of cracks…

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