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BELL 412

12 registered · 1986–2007 · 0 NTSB events · 48 ADs

About this data

Rotorcraft · P&W CANADA PT6T-3 SERIES · as of Sep 21, 2026

Resources Manufacturer · Bell Textron ↗ Engine · Pratt & Whitney Canada ↗ TCDS H1SW ↗

Distribution · currently registered

By state (top 10)

  • AK 25.0% 3
  • CA 16.7% 2
  • AZ 16.7% 2
  • DE 16.7% 2
  • VT 8.3% 1
  • NV 8.3% 1
  • FL 8.3% 1

By decade of manufacture

  • 1980s 25.0% 3
  • 1990s 41.7% 5
  • 2000s 8.3% 1
  • Unknown 25.0% 3

NTSB records

No NTSB-recorded events match BELL 412 in the indexed corpus.

NASA ASRS reports · 1

De-identified, pilot-written, voluntary and not investigated — the reporter's perspective; cannot infer prevalence.

Airworthiness directives

48 directive(s) on file. Showing the most recent 25 · 23 more in the Federal Register.

  • Apr 24, 2026

    Airworthiness Directives; B/E Aerospace Fischer GmbH Medical Seats

    The FAA is adopting a new airworthiness directive (AD) for certain B/E Aerospace Fischer GmbH (B/E Aerospace Fischer) Medical Seats 230/305. This AD was prompted by a determination that certain medical seats that are certified for aft facing (AF) and forward facing (FF) installations have been delivered with an incorr…

  • Feb 3, 2026

    Airworthiness Directives; Leonardo S.p.a. Helicopters

    The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model AB412 and AB412 EP helicopters. This AD was prompted by reports of a cracked main gearbox (MGB) support case. This AD requires revising the existing rotorcraft flight manual (RFM) for the helicopter. The FAA is issuing this AD to addr…

  • May 6, 2025

    Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers

    The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. The AD applies to certain Thommen Aircraft Equipment AG (THOMMEN) AC32 Digital Air Data Computers (ADCs). As published, there were typographical errors in the some of the aircraft models in the applicability table. This docum…

  • Apr 10, 2025

    Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers

    The FAA is adopting a new airworthiness directive (AD) for certain THOMMEN AIRCRAFT EQUIPMENT AG (THOMMEN) AC32 Digital Air Data Computers. This AD results from occurrences of AC32 Digital Air Data Computers (ADCs) that stop functioning below certain temperatures. This AD requires replacing an affected AC32 Digital AD…

  • Oct 31, 2024

    Airworthiness Directives; Various Helicopters

    The FAA is adopting a new airworthiness directive (AD) for various helicopters modified by certain supplemental type certificates (STCs) that approve the installation of an emergency float kit or an emergency float with a liferaft kit. This AD was prompted by the results of an accident investigation and subsequent rep…

  • Oct 4, 2024

    Airworthiness Directives; Bell Textron Inc. Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Inc. Model 212, 412, 412CF, and 412EP helicopters. This AD was prompted by reports of cracked tail boom attachment barrel nuts (barrel nuts). This AD requires replacing all steel alloy barrel nuts with nickel alloy barrel nuts, replacing o…

  • Sep 30, 2024

    Airworthiness Directives; THOMMEN AIRCRAFT EQUIPMENT AG Digital Air Data Computers

    The FAA proposes to adopt a new airworthiness directive (AD) for certain THOMMEN AIRCRAFT EQUIPMENT AG (THOMMEN) AC32 Digital Air Data Computers. This proposed AD results from occurrences of AC32 Digital Air Data Computers (ADCs) that stop functioning below certain temperatures. This proposed AD would require replacin…

  • Aug 20, 2024

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

    The FAA is superseding Airworthiness Directive (AD) 2000-18- 09, which applied to certain Bell Helicopter Textron, Inc. (now Bell Textron Inc.), Model 412, 412CF, and 412EP helicopters. AD 2000-18-09 required repetitively inspecting the upper left-hand cap angle (cap angle) and adjacent structure for a crack and, depe…

  • May 8, 2024

    Airworthiness Directives; Bell Textron Inc., Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Bell Textron Inc., Model 212, 412, 412CF, and 412EP helicopters. This proposed AD was prompted by reports of cracked tail boom attachment barrel nuts (barrel nuts). This proposed AD would require replacing all steel alloy barrel nuts with nickel…

  • Apr 25, 2024

    Airworthiness Directives; Various Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for various helicopters modified by certain supplemental type certificates (STCs) that approve the installation of an emergency float kit or an emergency float with liferaft kit. This proposed AD was prompted by the results of an accident investigation and s…

  • Mar 15, 2024

    Airworthiness Directives; Leonardo S.p.a. Helicopters

    The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model AB412 and AB412 EP helicopters. This AD was prompted by reports of cracks in the lateral mounts of the main transmission support case. This AD requires repetitive visual inspections and fluorescent penetrant inspections (FPI) and, dep…

  • Dec 6, 2023

    Airworthiness Directives; Leonardo S.p.a. Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for all Leonardo S.p.a. Model AB412 and AB412 EP helicopters. This proposed AD was prompted by reports of cracks in the lateral mounts of the main transmission support case. This proposed AD would require repetitive visual inspections and fluorescent penetra…

  • Nov 21, 2022

    Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters

    The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters and various restricted category helicopters. This AD was prompted by reports of cracks found on the main transmission support case. This AD requires repetitive inspe…

  • Nov 7, 2022

    Airworthiness Directives; Bell Textron Inc., Erickson 214 Holdings, LLC, Leonardo S.p.a., and Various Restricted Category Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters; certain Erickson 214 Holdings, LLC, Model 214B and 214B-1 helicopters; certain Leonardo S.p.a. Model AB412 and AB412 EP helicopters; and certain various res…

  • Jun 1, 2022

    Airworthiness Directives; Bell Textron Inc. Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Inc. Model 212, 412, 412CF, and 412EP helicopters. This AD was prompted by a report of a cracked check valve. This AD requires inspecting certain engine oil and fuel check valves, and depending on the results, repetitively inspecting and r…

  • Apr 14, 2022

    Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters and various restricted category helicopters. This proposed AD was prompted by reports of cracks found on the main transmission support case. This proposed AD w…

  • Apr 4, 2022

    Airworthiness Directives; Bell Textron Inc. Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Inc. Model 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters with a certain part-numbered tailboom left hand fin spar cap (spar cap) installed. This AD was prompted by reports of cracked spar caps. This AD requires inspecting…

  • Mar 31, 2022

    Airworthiness Directives; Bell Textron Inc., Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Bell Textron Inc., Model 212, 412, 412CF, and 412EP helicopters. This proposed AD was prompted by a report of a cracked check valve. This proposed AD would require inspecting certain engine oil and fuel check valves, and depending on the results,…

  • Mar 23, 2022

    Airworthiness Directives; Bell Textron Inc., Helicopters

    The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc., Model 412, 412EP, and 412CF helicopters. This AD was prompted by evaluation results showing flight loads that impact the collective lever fatigue life. This AD requires adding a permanent hours time-in-service (TIS) penalty for certain colle…

  • Mar 16, 2022

    Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies

    The FAA is adopting a new airworthiness directive (AD) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This AD was prompted by hoists failing lower load limit inspections. This AD requires replacing unmodified hoists, installing placards, revisi…

  • Jan 21, 2022

    Airworthiness Directives; Bell Textron Inc. Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Bell Textron Inc. Model 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters with a certain part-numbered tailboom left hand fin spar cap (spar cap) installed. This proposed AD was prompted by reports of cracked spar caps. This propose…

  • Nov 22, 2021

    Airworthiness Directives; Bell Textron Canada Limited Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Canada Limited Model 430 helicopters. This AD was prompted by an in-flight failure of the main rotor (M/R) pitch link clevis (clevis) due to fatigue damage and excessive wear. This AD requires a visual inspection of the M/R clevis, rod end…

  • Sep 30, 2021

    Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies

    The FAA is revising a notice of proposed rulemaking (NPRM) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This action revises the NPRM by adding a figure and revising certain requirements. The FAA is proposing this airworthiness directive (AD)…

  • Aug 27, 2021

    Airworthiness Directives; Bell Textron Inc., Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for Bell Textron Inc., Model 412, 412EP, and 412CF helicopters. This proposed AD was prompted by evaluation results showing flight loads that impact the collective lever fatigue life. This proposed AD would require adding a permanent life penalty for certain…

  • Dec 11, 2020

    Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies

    The FAA proposes to adopt a new airworthiness directive (AD) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This proposed AD would require replacing unmodified hoists, installing placards, revising the existing Rotorcraft Flight Manual (RFM) fo…

Type certificate data sheets · 1 match in the FAA catalog

  • H4SW Bell Helicopter Textron Inc. Historical Rev 31 · 12/21/2016

    Models: 412, 412CF, 412EP, 212

Supplemental type certificates · 734 on file

+ 704 more STCs on file

PMA replacement parts · 60+ on file

+ 20 more PMA parts on file

Registered N-numbers · 12

12 of 12 ● NTSB events on file · orange tails have Atlas pages · Look up queries the live FAA registry (owner, address, last airworthiness)
N-number St Year NTSB FAA
N143PH AK — · Look up ↗
N156MH VT — · Look up ↗
N17LA CA 1992 · Look up ↗
N18LA CA 1992 · Look up ↗
N397AL AK 1990 · Look up ↗
N402ES AK 1988 · Look up ↗
N411DE NV 1991 · Look up ↗
N412QK AZ 1986 · Look up ↗
N470QL FL 1989 · Look up ↗
N860AR DE 1990 · Look up ↗
N91419 AZ — · Look up ↗
N979AC DE 2007 · Look up ↗

Source — FAA Aircraft Registry

Sources