N724HT

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 N724HT.

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to BELL HELICOPTER TEXTRON 214ST

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

• Jul 7, 2020

  Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters

  The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc. (Bell) Model 214ST helicopters. This AD was prompted by the discovery of bolts with nonconforming external thread root radii. This AD requires removing the affected bolts from service and prohibits installing an affected bolt on any helicopter. The FAA is issuing this AD to address…

  Federal Register →

• Feb 26, 2020

  Airworthiness Directives; Bell Helicopter Textron, Inc. Helicopters

  The FAA proposes to adopt a new airworthiness directive (AD) for Bell Helicopter Textron, Inc. (Bell) Model 214ST helicopters. This proposed AD was prompted by the discovery of bolts with nonconforming external thread root radii. This proposed AD would require removing the affected bolts from service and would prohibit installing an affected bolt on any hel…

  Federal Register →

• Jun 9, 2014

  Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell) Helicopters

  We are superseding Airworthiness Directive (AD) 2013-11-05 for Bell Model 214B, 214B-1, and 214ST helicopters with certain tail rotor hanger bearings (bearing) installed. AD 2013-11-05 required inspecting the bearing to determine whether an incorrectly manufactured seal material is installed on the bearing. This new AD retains the repetitive inspection of t…

  Federal Register →

• Oct 1, 2013

  Airworthiness Directives; Bell Helicopter Textron, Inc., Helicopters

  We are adopting a new airworthiness directive (AD) for Bell Helicopter Textron, Inc. (Bell), Model 214B, 214B-1, and 214ST helicopters. This AD requires creating a component history card or equivalent record for certain pylon support spindle assemblies (spindles), establishes a new retirement life for spindles installed on Model 214B and 214B-1 helicopters,…

  Federal Register →

• Aug 12, 2013

  Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell) Helicopters

  We propose to supersede an existing airworthiness directive (AD) for Bell Model 214B, 214B-1, and 214ST helicopters with certain tail rotor hanger bearings (bearing) installed. The existing AD currently requires inspecting the bearing to determine whether an incorrectly manufactured seal material is installed on the bearing. Since we issued that AD, we have…

  Federal Register →

• Jun 28, 2013

  Airworthiness Directives; Various Helicopter Models

  We are publishing a new airworthiness directive (AD) for various model helicopters with certain part-numbered and serial- numbered Goodrich externally-mounted hoists installed. This AD requires performing a cable conditioning lift and a load inspection test, deactivating or replacing any hoist that fails the load inspection test, and recording the results o…

  Federal Register →

• Jun 4, 2013

  Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell) Helicopters

  We are adopting a new airworthiness directive (AD) for Bell Model 214B, 214B-1, and 214ST helicopters with a certain tail rotor hanger bearing (bearing) installed. This AD requires inspecting the bearing to determine whether an incorrectly manufactured seal material is installed on the bearing. This AD is prompted by a report that certain bearings were manu…

  Federal Register →

• May 28, 2013

  Airworthiness Directives; Bell Helicopter Textron, Inc., Helicopters

  We are revising an earlier proposed airworthiness directive (AD) for Bell Helicopter Textron, Inc. (Bell), Model 214B and B-1 helicopters, which proposed to require inspecting certain pylon support spindle assemblies (spindles) for any corrosion, or a nick, scratch, dent, or crack, and repairing or replacing any unairworthy spindle before further flight. Th…

  Federal Register →

• Feb 17, 1999

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214ST Helicopters

  This amendment adopts a new airworthiness directive (AD) that is applicable to Bell Helicopter Textron, Inc. (BHTI) Model 214ST helicopters. This action requires a reduction of the never-exceed velocity (Vne) limitation until an inspection of the tail rotor yoke (yoke) assembly for fatigue damage and installation of a redesigned yoke flapping stop are accom…

  Federal Register →

• Nov 13, 1998

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214B, 214B-1, and 214ST Helicopters

  This amendment adopts a new airworthiness directive (AD) that is applicable to Bell Helicopter Textron, Inc. (Bell) Model 214B, 214B- 1, and 214ST helicopters. This action requires a visual inspection of thin-flanged attachment barrel nuts (barrel nuts) manufactured by Kaynar Technologies, Inc. for cracks or lubrication residue, and replacement of the barre…

  Federal Register →

• Aug 25, 1998

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214B, 214B-1, and 214ST Helicopters

  This amendment supersedes an existing airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. (BHTI) Model 214B, 214B-1, and 214ST helicopters, that currently establishes a retirement life of 60,000 high-power events for the main rotor trunnion (trunnion). This amendment requires changing the method of calculating the retirement life for t…

  Federal Register →

• Sep 11, 1997

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214ST Helicopters

  This amendment adopts a new airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. (BHTI) Model 214ST helicopters, that requires creation of a component history card or equivalent record using a Retirement Index Number (RIN) system; establishes a system for tracking increases to the accumulated RIN; and establishes a maximum accumulated R…

  Federal Register →

• Aug 20, 1997

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214ST Helicopters

  This amendment adopts a new airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. (BHTI) Model 214ST helicopters, that requires replacement of each emergency float inflation solenoid valve (valve). This amendment is prompted by two inadvertent inflations of emergency float systems that resulted from self- activations of the valves. The a…

  Federal Register →

• Jul 15, 1997

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214B, 214B-1, and 214ST Helicopters

  This amendment supersedes an existing airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. (BHTI) Model 214B, 214B-1, and 214ST helicopters, that currently establishes a mandatory retirement life of 60,000 high-power events for the main transmission upper planetary carrier (carrier). This amendment requires changing the method of calcul…

  Federal Register →

• Mar 12, 1997

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214B, 214B-1 and 214ST Helicopters

  This amendment supersedes an existing airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. (BHTI) Model 214B, 214B-1, and 214ST helicopters, that currently establishes a retirement life of 40,000 high-power events for the lower planetary spider (spider). This amendment changes the method of calculating the retirement life for the spider…

  Federal Register →

• Dec 23, 1996

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214ST Helicopters

  This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Bell Helicopter Textron, Inc. (BHTI) Model 214ST helicopters. This proposal would require creation of a component history card using a Retirement Index Number (RIN) system; would establish a system for tracking increases to the accumulated RIN; and would establis…

  Federal Register →

• Dec 12, 1996

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214B, 214B-1, and 214ST Helicopters

  This document proposes the supersedure of an existing airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. (BHTI) Model 214B, 214B-1, and 214ST helicopters, that currently establishes a retirement life of 60,000 high-power events for the main rotor trunnion (trunnion). This proposal would require changing the method of calculating retir…

  Federal Register →

• Nov 20, 1996

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214ST Helicopters

  Federal Register →

• Nov 14, 1996

  Airworthiness Directives; Bell Helicopter Textron, Inc., Model 214B, 214B-1 and 214ST Helicopters

  This document proposes the supersedure of an existing airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. (BHTI) Model 214B, 214B-1, and 214ST series helicopters, that currently establishes a retirement life of 40,000 high-power events for the lower planetary spider (spider). This action would require changing the method of calculating…

  Federal Register →

• Apr 5, 1996

  Airworthiness Directives; Bell Helicopter Textron, Inc., Model 214ST Helicopters

  This amendment adopts a new airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. (BHTI) Model 214ST helicopters with certain tailboom assemblies and a certain emergency float kit installed, that requires initial and repetitive inspections of the tailboom for cracks until modifications of the tailboom are accomplished. This amendment is…

  Federal Register →

• Aug 10, 1994

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214B, 214B-1, and 214ST Helicopters

  This amendment adopts a new airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. Model 214B, 214B-1, and 214ST helicopters, that establishes a mandatory retirement life of 60,000 high-power events for the main rotor trunnion (trunnion), which is currently not a life-limited part. This amendment is prompted by the manufacturer's analysis…

  Federal Register →

• Jul 21, 1994

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214ST Helicopters

  This amendment adopts a new airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. Model 214ST helicopters, that requires creation of a component history card and establishes an additional retirement life for the main rotor mast (mast). This amendment is prompted by fatigue analysis and retesting that showed that the mast is sensitive to…

  Federal Register →

• Jun 23, 1994

  Airworthiness Directives; Bell Helicopter Textron, Inc. Model 214B, 214B-1, and 214ST Helicopters

  This amendment supersedes an existing airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. Model 214B and 214B-1 helicopters, that currently establishes a mandatory retirement life for the main transmission upper planetary carrier (carrier). This amendment requires changing the retirement life for the carrier from flight hours to high-p…

  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

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