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SIKORSKY S-76B

34 registered · 1985–1997 · 1 NTSB events · 37 ADs

About this data

Rotorcraft · as of Sep 21, 2026

Distribution · currently registered

By state (top 10)

  • FL 23.5% 8
  • OR 11.8% 4
  • LA 8.8% 3
  • NV 8.8% 3
  • KS 5.9% 2
  • NY 5.9% 2
  • CA 5.9% 2
  • TX 5.9% 2
  • DE 5.9% 2
  • GA 2.9% 1

+5 more states

By decade of manufacture

  • 1980s 38.2% 13
  • 1990s 35.3% 12
  • Unknown 26.5% 9

NTSB records

1 event(s) on file. Showing the most recent 1.

Airworthiness directives

37 directive(s) on file. Showing the most recent 25 · 12 more in the Federal Register.

  • 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…

  • 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 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…

  • 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)…

  • Feb 22, 2021

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C Helicopters Modified by Supplemental Type Certificate SR09211RC

    The FAA is withdrawing a notice of proposed rulemaking (NPRM) that proposed to adopt a new airworthiness directive (AD) that would have applied to all Sikorsky Aircraft Corporation (Sikorsky) S-76 model helicopters with a certain life raft deployment system (LRDS) installed per Supplemental Type Certificate (STC) SR09…

  • 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…

  • Nov 28, 2017

    Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

    We are adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-76A, S-76B, S-76C, and S-76D helicopters. This AD requires inspecting the main rotor (M/R) servo pushrod (pushrod) assembly and applying slippage marks. This AD was prompted by an accident of a Sikorsky Model S-76C…

  • Jun 6, 2017

    Airworthiness Directives; Honeywell International Inc. (Honeywell) Enhanced Ground Proximity Warning System (EGPWS)

    We propose to adopt a new airworthiness directive (AD) for various normal and transport category rotorcraft with certain Honeywell EGPWS installed. This proposed AD would require updating the software version of the EGPWS. This proposed AD is prompted by a software defect that prevents the EGPWS from providing terrain…

  • Jun 5, 2017

    Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

    We propose to adopt a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-76A, S-76B, S-76C, and S-76D helicopters. This proposed AD would require inspecting the main rotor (M/R) servo pushrod (pushrod) assembly and applying slippage marks. This proposed AD is prompted by an accident…

  • Jan 5, 2016

    Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

    We are adopting a new airworthiness directive (AD) for certain Sikorsky Aircraft Corporation (Sikorsky) Model S-76A, S-76B, and S-76C helicopters. This AD requires inspecting the main gearbox (MGB) lower housing jet bores for leaks, paint or caulk blistering, and liner protrusion. This AD was prompted by several repor…

  • Oct 26, 2015

    Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

    We are publishing a new airworthiness directive (AD) for Sikorsky Aircraft Corporation Model S-76A, S-76B, S-76C, and S-76D helicopters, which was sent previously to all known U.S. owners and operators of these helicopters. This AD requires inspecting the main rotor (M/R) and tail rotor (T/R) pushrod assemblies and th…

  • Feb 25, 2015

    Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Helicopters

    We are adopting a new airworthiness directive (AD) for certain Sikorsky Model S-76A, B, C, and D helicopters. This AD requires inspecting the tail rotor drive shaft (TDS) flange-to-shaft attachment hardware for correct assembly and correct torque of the fasteners. If there is a discrepancy, this AD requires, before fu…

  • Jun 2, 2014

    Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Helicopters

    We propose to adopt a new airworthiness directive (AD) for Sikorsky Model S-76A, S-76B, and S-76C helicopters with a main gearbox (MGB) installed that has undergone certain repairs. This proposed AD would require inspecting the MGB lower housing jet bores for leaks, paint or caulk blistering, and liner protrusion. Thi…

  • Nov 8, 2013

    Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Helicopters

    We are adopting a new airworthiness directive (AD) for Sikorsky Model S-76A, B, and C helicopters to require certain inspections of each spindle cuff assembly or blade fold cuff assembly for a crack. If there is a crack, this AD requires replacing the cracked part. If there is no crack, this AD requires applying white…

  • 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 insp…

  • Jun 20, 2013

    Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Model Helicopters

    We propose to adopt a new airworthiness directive (AD) for Sikorsky Model S-76A, B, and C helicopters to require certain inspections of each spindle cuff assembly or blade fold cuff assembly for a crack. If there is a crack, this proposed AD would require replacing the cracked part. If there is no crack, this AD would…

  • Mar 1, 2011

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C Helicopters Modified by Supplemental Type Certificate SR09211RC

    We propose to adopt a new airworthiness directive (AD) for all Sikorsky Aircraft Corporation (Sikorsky) S-76 model helicopters with a certain life raft deployment system (LRDS) installed per Supplemental Type Certificate (STC) SR09211RC. This proposed AD would require removing and replacing the pilot or co-pilot life…

  • Dec 28, 2010

    Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Model S76A, B, and C Helicopters

    This amendment supersedes an existing emergency airworthiness directive (EAD) for the specified Sikorsky model helicopters. The EAD requires inspecting the LITEF Attitude Heading and Reference System (AHRS) unit of the navigation system to determine if it is at a Mod Status "18." If either AHRS unit is at Mod Status "…

  • Sep 13, 2010

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C Helicopters

    We are adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-76A, S-76B, and S-76C helicopters. This AD requires an initial and recurring inspections of the tail rotor vertical stabilizer aft spar assembly (aft spar assembly) for a crack, loose or working fasteners, and corro…

  • Mar 29, 2010

    Airworthiness Directives; Various Aircraft Equipped With Honeywell Primus II RNZ-850( )/-851( ) Integrated Navigation Units

    The FAA is superseding an existing airworthiness directive (AD) that applies to certain Honeywell Primus II RNZ-850( )/-851( ) integrated navigation units (INUs). As one alternative for compliance, the existing AD provides for a one-time inspection to determine whether a certain modification has been installed on the…

  • Feb 11, 2009

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S-76A, B, and C Helicopters

    This document revises an earlier proposed airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S- 76A, B, and C helicopters. That AD proposed to require inspecting each installed HR Textron main rotor servo actuator (servo actuator) for a high rate of leakage and for contaminated hydraulic f…

  • Jun 4, 2008

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C Helicopters

    This document proposes adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-76A, S-76B, and S-76C helicopters. The AD would require an initial and recurring inspections of the tail rotor vertical stabilizer aft spar assembly (aft spar assembly) for a crack, loose or working…

  • May 19, 2008

    Airworthiness Directives; Various Aircraft Equipped With Honeywell Primus II RNZ-850( )/-851(-) Integrated Navigation Units

    The FAA proposes to supersede an existing airworthiness directive (AD) that applies to various aircraft equipped with certain Honeywell Primus II RNZ-850( )/-851( ) integrated navigation units (INUs). The existing AD, as one alternative for compliance, provides for a one-time inspection to determine whether a certain…

  • Oct 27, 2006

    Airworthiness Directives; Various Aircraft Equipped With Honeywell Primus II RNZ-850( )/-851( ) Integrated Navigation Units

    The FAA is superseding an existing airworthiness directive (AD), which applies to various aircraft equipped with certain Honeywell Primus II RNZ-850( )/-851( ) integrated navigation units (INUs). That AD, as one alternative for compliance, provides for a one-time inspection to determine whether a certain modification…

  • May 18, 2006

    Airworthiness Directives; Various Aircraft Equipped With Honeywell Primus II RNZ-850/-851 Integrated Navigation Units

    The FAA is revising an earlier NPRM for an airworthiness directive (AD) that applies to various aircraft equipped with a Honeywell Primus II RNZ-850/-851 Integrated Navigation Unit (INU). The original NPRM would have superseded an existing AD that, as one alternative for compliance, provides for a one-time inspection…

Type certificate data sheets · 1 match in the FAA catalog

  • H1NE Sikorsky Aircraft Corporation Historical Rev 20 · 12/20/2005

    Models: S-76B, S-76C, S-76A, S-76D

Supplemental type certificates · 612 on file

+ 582 more STCs on file

PMA replacement parts · 60+ on file

+ 20 more PMA parts on file

Registered N-numbers · 34

34 of 34 ● 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
N11110 LA — · Look up ↗
N120DT GA 1990 · Look up ↗
N141MH NV 1997 · Look up ↗
N159CM TN 1987 · Look up ↗
N164AM FL 1994 · Look up ↗
N176BA FL 1985 · Look up ↗
N176DP KS — · Look up ↗
N208S OR 1992 · Look up ↗
N212Y NY 1989 · Look up ↗
N269FL FL 1987 · Look up ↗
N280TR OK 1988 · Look up ↗
N468ZB FL 1988 · Look up ↗
N473QH FL 1986 · Look up ↗
N473WB FL 1992 · Look up ↗
N509HH OR — · Look up ↗
N61DJ NV 1991 · Look up ↗
N751LL IL — · Look up ↗
N760GP CA 1996 · Look up ↗
N760JE FL 1997 · Look up ↗
N760PV CT 1994 · Look up ↗
N761CG OR 1994 · Look up ↗
N7644S FL — · Look up ↗
N768SX TX 1991 · Look up ↗
N76CG DE 1989 · Look up ↗
N76DN TX — · Look up ↗
N76EX NV 1988 · Look up ↗
N76FL CA 1988 · Look up ↗
N76VR LA 1989 ● Look up ↗
N776DP DE 1991 · Look up ↗
N780J OR — · Look up ↗
N7TP NY 1989 · Look up ↗
N844LC MT 1987 · Look up ↗
N9082A LA — · Look up ↗
N976AL KS — · Look up ↗

Source — FAA Aircraft Registry

Sources