N950TT

01 /  Registration

Filed with the Federal Aviation Administration

Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N950TT.

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to CESSNA 208B

Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.

• Mar 8, 2021

  Airworthiness Directives; Textron Aviation, Inc. Airplanes

  The FAA is adopting a new airworthiness directive (AD) for certain Textron Aviation Inc. (Textron) (type certificate previously held by Cessna Aircraft Company) Models 208 and 208B airplanes. This AD was prompted by reports of loose elevator torque tube attach fasteners. This AD requires repetitively inspecting the inboard and outboard elevator torque tube…

  Federal Register →

• Sep 22, 2020

  Airworthiness Directives; Textron Aviation Inc. (Textron) Airplanes

  The FAA proposes to adopt a new airworthiness directive (AD) for certain Textron (type certificate previously held by Cessna Aircraft Company) Models 208 and 208B airplanes. This proposed AD was prompted by reports of loose elevator torque tube attach fasteners. This proposed AD would require repetitively inspecting the inboard and outboard elevator torque…

  Federal Register →

• Jul 15, 2009

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  We are adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This AD requires you to measure the roll and the yaw bridle cable tension (adjusting as necessary) and to torque the clamp screws. This AD results from two reported incidences of slack bridle cables with the swaged balls unseating f…

  Federal Register →

• May 20, 2009

  Airworthiness Directives; Hartzell Propeller Inc. Steel Hub Turbine Propellers

  The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. steel hub turbine propellers, with any counterweight slug attachment bolts, part number (P/N) B-3386-14H, LFC manufacturing lot 224, installed. This AD requires identifying and removing all counterweight slug attachment bolts, P/N B-3386-14H, LFC manufacturing lot 224, from s…

  Federal Register →

• Mar 11, 2009

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  We are adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This AD requires you to modify the aileron carry-through cable attachment to the aileron upper quadrant with parts of improved design. This AD results from reports of a "catch" in the aileron control system when the control yoke is…

  Federal Register →

• Dec 24, 2008

  Airworthiness Directives; Cessna Aircraft Company 172, 175, 177, 180, 182, 185, 188, 206, 207, 208, 210, 303, 336, and 337 Series Airplanes

  The FAA is adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) 172, 175, 177, 180, 182, 185, 188, 206, 207, 208, 210, 303, 336, and 337 series airplanes. This AD requires you to inspect the alternate static air source selector valve to assure that the part number identification placard does not obstruct the alternate sta…

  Federal Register →

• Dec 18, 2008

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  We propose to adopt a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This proposed AD would require you to modify the aileron carry-through cable attachment to the aileron upper quadrant with parts of improved design. This proposed AD results from reports of a "catch" in the aileron control syste…

  Federal Register →

• Jun 25, 2008

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  The FAA adopts a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This AD requires you to inspect the left and right wing wire bundle(s) and repair or replace damaged wire. This AD also requires inspecting the wire bundles for correct attachment to the anchor points and correcting any deficient att…

  Federal Register →

• Jun 13, 2008

  Airworthiness Directives; Sandel Avionics Incorporated Model ST3400 Terrain Awareness Warning System/Radio Magnetic Indicator (TAWS/RMI) Units Approved Under Technical Standard Order(s) C113, C151a, or C151b; Installed on Various Small and Transport Category Airplanes

  The FAA is revising an existing airworthiness directive (AD) that applies to Sandel Avionics Incorporated Model ST3400 TAWS/RMI units as described above. The existing AD currently requires installing a warning placard on the TAWS/RMI and revising the Limitations section of the airplane flight manual (AFM). The existing AD also requires installing upgraded s…

  Federal Register →

• May 2, 2008

  Airworthiness Directives; Cessna Aircraft Company 172, 175, 180, 182, 185, 206, 207, 208, 210, and 303 Series Airplanes

  The FAA is adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) 172, 175, 180, 182, 185, 206, 207, 208, 210, and 303 series airplanes. This AD requires you to inspect the alternate static air source selector valve to assure that the part number identification placard does not obstruct the alternate static air source selec…

  Federal Register →

• Mar 17, 2008

  Airworthiness Directives; Cessna Aircraft Company, Models 208 and 208B Airplanes

  We propose to adopt a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This proposed AD would require inspection of the left and right wing wire bundle(s) and repair or replacement of damaged wire. This proposed AD would also require inspecting the wire bundles for correct attachment to the anchor…

  Federal Register →

• Mar 13, 2008

  Airworthiness Directives; Sandel Avionics Incorporated Model ST3400 Terrain Awareness Warning System/Radio Magnetic Indicator (TAWS/RMI) Units Approved Under Technical Standard Order(s) C113, C151a, or C151b; Installed on Various Small and Transport Category Airplanes

  The FAA proposes to revise an existing airworthiness directive (AD) that applies to Sandel Avionics Incorporated Model ST3400 TAWS/RMI units as described above. The existing AD currently requires installing a warning placard on the TAWS/RMI and revising the Limitations section of the airplane flight manual (AFM). The existing AD also requires installing upg…

  Federal Register →

• May 17, 2007

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  The FAA is adopting a new airworthiness directive (AD) to supersede AD 2006-06-06, which applies to certain Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. AD 2006-06-06 currently requires you to incorporate information into the applicable section of the Airplane Flight Manual (AFM) and Pilot's Operating Handbook (POH) and requires you to in…

  Federal Register →

• Feb 1, 2007

  Airworthiness Directives; The Cessna Aircraft Company Models 208 and 208B Airplanes

  We propose to supersede Airworthiness Directive (AD) 2006-06- 06, which applies to certain Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. AD 2006-06-06 currently requires you to incorporate information into the applicable section of the Airplane Flight Manual (AFM) and Pilot's Operating Handbook (POH) and requires installation of placards.…

  Federal Register →

• Aug 21, 2006

  Airworthiness Directives; Sandel Avionics Incorporated Model ST3400 Terrain Awareness Warning System/Radio Magnetic Indicator (TAWS/RMI) Units Approved Under Technical Standard Order(s) C113, C151a, or C151b; Installed on Various Small and Transport Category Airplanes

  The FAA is adopting a new airworthiness directive (AD). The new AD is for Sandel Avionics Incorporated Model ST3400 TAWS/RMI units as described above. This AD requires installing a warning placard on the TAWS/RMI and revising the Limitations section of the airplane flight manual (AFM). This AD also requires installing upgraded software in the TAWS/RMI. This…

  Federal Register →

• May 19, 2006

  Airworthiness Directives; The Cessna Aircraft Company Models 208 and 208B Airplanes

  Federal Register →

• May 16, 2006

  Airworthiness Directives; The Cessna Aircraft Company Models 208 and 208B Airplanes

  Federal Register →

• May 16, 2006

  Airworthiness Directives; The Cessna Aircraft Company Models 208 and 208B Airplanes

  This document makes a correction to Airworthiness Directive (AD) 2006-01-11 R1, which published in the Federal Register on March 16, 2006 (71 FR 13538), and applies to all The Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. AD 2006-01-11 R1 requires the installation of a pilot assist handle and deicing boots on the cargo pod and landing gear…

  Federal Register →

• Apr 5, 2006

  Airworthiness Directives; The Cessna Aircraft Company Models 208 and 208B Airplanes

  This document makes a correction to Airworthiness Directive (AD) 2006-06-06, which published in the Federal Register on March 16, 2006 (71 FR 13533), and applies to all The Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. AD 2006-06-06 requires you to incorporate information into the applicable section of the Airplane Flight Manual (AFM) and…

  Federal Register →

• Mar 16, 2006

  Airworthiness Directives; The Cessna Aircraft Company Models 208 and 208B Airplanes

  This document clarifies the intent of AD 2006-01-11, which was published in the Federal Register on January 12, 2006 (71 FR 1941). AD 2006-01-11 applies to Cessna Models 208 and 208B airplanes and requires the installation of a pilot assist handle and deicing boots on the cargo pod and landing gear fairings; and the incorporation of changes to the Pilot's O…

  Federal Register →

• Mar 16, 2006

  Airworthiness Directives; The Cessna Aircraft Company Models 208 and 208B Airplanes

  The FAA is adopting a new airworthiness directive (AD) to supersede AD 2005-07-01, which applies to all The Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. AD 2005-07-01 currently requires you to incorporate information into the applicable section of the Airplane Flight Manual (AFM). This AD is the result of several accidents/incidents with…

  Federal Register →

• Mar 8, 2006

  Airworthiness Directives; Sandel Avionics Incorporated Model ST3400 Terrain Awareness Warning System/Radio Magnetic Indicator Approved Under Technical Standard Order(s) C113, C151a, or C151b; Installed on Various Small and Transport Category Airplanes

  The FAA proposes to adopt a new airworthiness directive (AD). The new AD is for Sandel Avionics Incorporated Model ST3400 terrain awareness warning systems/radio magnetic indicator (TAWS/RMI) units as described above. This proposed AD would require installing a warning placard on the TAWS/RMI, installing upgraded software in the TAWS/RMI, revising the limit…

  Federal Register →

• Jan 12, 2006

  Airworthiness Directives; The Cessna Aircraft Company Models 208 and 208B Airplanes

  The FAA adopts a new airworthiness directive (AD) for all The Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This AD requires you to install the pilot assist handle (part number (P/N) SK208-146-2) (or FAA-approved equivalent part number) and deicing boots on the cargo pod and landing gear fairings (part number (P/N) AK208-6C) (or FAA-approv…

  Federal Register →

• Jul 14, 2005

  Airworthiness Directives; Hartzell Propeller Inc. Models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC-B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC-B5MP-3 Propellers

  The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC- B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC- B5MP-3 propellers, installed with propeller mounting bolts, part number (P/N) B-3339. This AD requires initial and repetitive visual inspections and torque check…

  Federal Register →

• Jun 21, 2005

  Airworthiness Directives; The Cessna Aircraft Company Models 208 and 208B Airplanes

  The FAA proposes to adopt a new airworthiness directive (AD) for all The Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This proposed AD would require you to install a pilot assist handle, Cessna part number SK208-146-2, for all affected airplanes, install deicing boots on landing gear struts and cargo pod on certain Cessna Models 208 and 2…

  Federal Register →

• Apr 8, 2005

  Airworthiness Directives; the Cessna Aircraft Company Models 208 and 208B Airplanes

  This document makes a correction to Airworthiness Directive (AD) 2005-07-01, which was published in the Federal Register on March 25, 2005 (70 FR 15223), and applies to all the Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. We incorrectly referenced the affected airplane models as C208 and C208B throughout the document. The correct airplane…

  Federal Register →

• Mar 25, 2005

  Airworthiness Directives; The Cessna Aircraft Company Models C208 and C208B Airplanes

  The FAA is adopting a new airworthiness directive (AD) for all The Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This AD requires you to incorporate information into the applicable section of the Airplane Flight Manual (AFM). This AD results from several accidents/incidents of problems with the affected airplanes during operations in icing…

  Federal Register →

• Jan 19, 2005

  Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders

  The FAA is adopting a new airworthiness directive (AD) to supersede Airworthiness Directive 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD applies to certain GTX 33, GTX 33D, GTX 3…

  Federal Register →

• Oct 7, 2004

  Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders

  The FAA proposes to supersede Airworthiness Directive (AD) 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This proposed AD applies to certain GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S…

  Federal Register →

• Sep 21, 2004

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  Federal Register →

• Aug 13, 2004

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  The FAA supersedes Airworthiness Directive (AD) AD 2002-22-17, which applies to all Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes; and AD 2003-21-04, which applies to certain Cessna Models 208 and 208B airplanes. This AD requires you to repetitively inspect the flap bellcranks for cracks and eventually replace these bellcranks. The installa…

  Federal Register →

• May 21, 2004

  Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders

  The FAA adopts a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders that are installed on aircraft. This AD requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD is the result of observations that the GTX 330 and GTX 330D may detect, from other aircraft, the S1 (su…

  Federal Register →

• May 3, 2004

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  Federal Register →

• Apr 26, 2004

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  The FAA is adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This AD requires you to inspect any upper and lower wing strut attach fitting nut for existence of the corresponding cotter pin and do any necessary corrective action. This AD is the result of a report of one airplane having loo…

  Federal Register →

• Mar 8, 2004

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  The FAA proposes to revise an earlier NPRM airworthiness directive (AD) action that applies to certain Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. That proposed AD would have revised AD 2002-22-17, which currently requires you to repetitively inspect the inboard forward flap bellcranks for cracks and eventually replace these bellcranks o…

  Federal Register →

• Dec 30, 2003

  Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders

  The FAA proposes to adopt a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders. This proposed AD would require you to install GTX 330/ 330D Software Upgrade Version 3.03. This proposed AD is the result of observations that the GTX 330 and GTX 330D may detect, from other aircraft, the S1 (suppression)…

  Federal Register →

• Oct 17, 2003

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  The FAA is adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This AD requires you to inspect the right inboard forward flap bell crank for cracks, deformation, and missing/incomplete welds. If cracks, deformation, or missing/incomplete welds are found, the AD would require you to immediat…

  Federal Register →

• Jul 28, 2003

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  This document proposes to revise Airworthiness Directive (AD) 2002-22-17, which currently requires you to repetitively inspect the inboard forward flap bellcranks for cracks and eventually replace these bellcranks on all Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. AD 2002-22-17 resulted from Cessna re-evaluating the bellcrank life limit…

  Federal Register →

• Nov 12, 2002

  Airworthiness Directives; Cessna Aircraft Company Models 208 and 208B Airplanes

  This amendment adopts a new airworthiness directive (AD) that applies to all Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This AD requires you to repetitively inspect the inboard forward flap bellcranks for cracks or replace bellcranks depending on the amount of usage. This AD is the result of Cessna re-evaluating the bellcrank life limit…

  Federal Register →

• Jun 26, 2002

  Airworthiness Directives; Various Boeing and McDonnell Douglas Transport Category Airplanes

  This document proposes to adopt a new airworthiness directive (AD) that would apply to all Cessna Aircraft Company (Cessna) Models 208 and 208B airplanes. This proposed AD would require you to repetitively inspect the inboard forward flap bellcranks for cracks or replace bellcranks depending on the amount of usage. This proposed AD is the result of Cessna r…

  Federal Register →

• May 23, 2001

  Airworthiness Directives; Honeywell KC 225 Automatic Flight Control Systems

  This amendment adopts a new airworthiness directive (AD) that applies to certain Honeywell KC 225 automatic flight control systems (AFCS) that are installed on airplanes. This AD requires you to inspect the KC 225 AFCS to determine the computer modifications (Mods) that are incorporated, deactivate any units with only Mods 1 and/or 2 incorporated, and fabri…

  Federal Register →

• Aug 29, 2000

  Airworthiness Directives; Cessna Aircraft Company Models 208, 208A, and 208B Airplanes

  This document withdraws a notice of proposed rulemaking (NPRM) that would have applied to all Cessna Aircraft Company (Cessna) Models 208, 208A, and 208B airplanes. The proposed AD would have required you to revise the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. The proposed AD was the result…

  Federal Register →

• Oct 12, 1999

  Airworthiness Directives; Cessna Aircraft Company Models 208, 208A, and 208B Airplanes

  This document proposes to adopt a new airworthiness directive (AD) that would apply to all Cessna Aircraft Company (Cessna) Models 208, 208A, and 208B airplanes. The proposed AD would require revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. The proposed AD is the result of reports of i…

  Federal Register →

• Oct 9, 1998

  Airworthiness Directives; Twin Commander Aircraft Corporation Model 680FL Airplanes

  This document proposes to adopt a new airworthiness directive (AD) that would apply to Twin Commander Aircraft Corporation (Twin Commander) Model 680FL airplanes. The proposed AD would require revising the FAA-approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cu…

  Federal Register →

• Jun 8, 1998

  Airworthiness Directives; Raytheon Aircraft Company 200 Series Airplanes

  This document proposes to adopt a new airworthiness directive (AD) that would apply to Raytheon Aircraft Company (Raytheon) 200 series airplanes. The proposed AD would require revising the FAA- approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or pr…

  Federal Register →

• Jun 8, 1998

  Airworthiness Directives; Cessna Aircraft Company Model T210R Airplanes

  This document proposes to adopt a new airworthiness directive (AD) that would apply to Cessna Aircraft Company (Cessna) Model T210R airplanes. The proposed AD would require revising the FAA-approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohib…

  Federal Register →

• Dec 3, 1997

  Airworthiness Directives; Cessna Aircraft Company Models 208, 208A, 208B, 425, and 441 Airplanes

  This amendment adopts a new airworthiness directive (AD) that applies to all Cessna Aircraft Company (Cessna) Models 208, 208A, 208B, 425, and 441 airplanes. This AD requires amending the Limitations Section of the airplane flight manual (AFM) to prohibit the positioning of the power levers below the flight idle stop while the airplane is in flight. This AF…

  Federal Register →

• Sep 16, 1997

  Airworthiness Directives; McDonnell Douglas Model DC-3 and DC-4 Series Airplanes

  This document proposes the adoption of a new airworthiness directive (AD) that is applicable to all McDonnell Douglas Model DC-3 and DC-4 series airplanes. This proposal would require revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit…

  Federal Register →

• Sep 16, 1997

  Airworthiness Directives; Sabreliner Model 40, 60, 70, and 80 Series Airplanes

  This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Sabreliner Model 40, 60, 70, and 80 series airplanes. This proposal would require revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohib…

  Federal Register →

04 /  Service Difficulty Reports

FAA SDR filings

The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →

05 /  Sources & Methodology

Every fact on this page links to its primary US-government source

• FAA Aircraft Registry →

  Refreshed May 5, 2026

  Available

• NTSB CAROL →

  Refreshed May 5, 2026

  Available

• Federal Register (FAA Airworthiness Directives) →

  Refreshed May 5, 2026

  Available

• FAA Service Difficulty Reports →

  Refreshed May 5, 2026

  Unavailable

We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.