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Public Record · As of May 5, 2026

N166DK

Robinson Helicopter R22 · 2019 View Type →

Status

Registration Valid

Type

Rotorcraft

Engine

LYCOMING O-360-J2A

Last Cert Issue

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to ROBINSON HELICOPTER R22

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

  • Dec 3, 2024

    Airworthiness Directives; Robinson Helicopter Company

    The FAA is adopting a new airworthiness directive (AD) for certain Robinson Helicopter Company Model R44 and R44 II helicopters. This AD was prompted by several reports of failed clutch actuators and failed rivets attaching the belt tension clutch actuator brackets (bracket) to the fan scroll housing. This AD requires inspecting each bracket and, depending…

  • Oct 24, 2024

    Airworthiness Directives; Robinson Helicopter Company Helicopters

    The FAA is adopting a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson Helicopter) Model R22 Beta, R22 Mariner, R44, and R44 II helicopters with a certain governor controller installed. This AD was prompted by reports of engine governor failure, which was a result of water intrusion inside of the governor controller. This AD requir…

  • Jul 17, 2024

    Airworthiness Directives; Robinson Helicopter Company Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson Helicopter) Model R22 Beta, R22 Mariner, R44, and R44 II helicopters with a certain governor controller installed. This proposed AD was prompted by reports of engine governor failure, which was a result of water intrusion inside of the governor controller.…

  • Jun 27, 2024

    Airworthiness Directives; Robinson Helicopter Company Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Robinson Helicopter Company Model R44 and R44 II helicopters. This proposed AD was prompted by several reports of failed clutch actuators and failed rivets attaching the belt tension clutch actuator brackets (bracket) to the fan scroll housing. This proposed AD would require inspecting…

  • Feb 27, 2024

    Airworthiness Directives; Robinson Helicopter Company Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain Robinson Helicopter Company Model R22, R22 Alpha, R22 Beta, R22 Mariner, R44, R44 II, and R66 helicopters. This AD was prompted by reports of helicopters losing a tail rotor blade (TRB) tip cap. This AD requires visually checking and inspecting certain part-numbered and serial-numbered TRB t…

  • Dec 6, 2023

    Airworthiness Directives; Robinson Helicopter Company Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Robinson Helicopter Company Model R22, R22 Alpha, R22 Beta, R22 Mariner, R44, R44 II, and R66 helicopters. This proposed AD was prompted by reports of helicopters losing a tail rotor blade (TRB) tip cap. This proposed AD would require visually checking and inspecting certain part-numbe…

  • Jun 14, 2022

    Airworthiness Directives; Robinson Helicopter Company Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain Robinson Helicopter Company Model R22 BETA, R44, and R44 II helicopters. This AD was prompted by reports of intermittent or abnormal operation of the engine revolutions per minute (RPM) governor (governor). This AD requires inspecting the engine RPM sensor wiring and installing a wiring kit.…

  • Feb 25, 2021

    Airworthiness Directives; Robinson Helicopter Company Model R22 Series Helicopters

    The FAA is withdrawing a notice of proposed rulemaking (NPRM) that proposed to adopt a new airworthiness directive (AD) that would have applied to Robinson Helicopter Company (RHC) Model R22 series helicopters. The NPRM was prompted by an in-flight break up of a helicopter on which both teeter stop brackets (brackets) failed. The NPRM would have required re…

  • Dec 5, 2014

    Airworthiness Directives; Robinson Helicopter Company Helicopters

    We are superseding Airworthiness Directive (AD) 2011-12-10 for Robinson Helicopter Company (Robinson) Model R22, R22 Alpha, R22 Beta, R22 Mariner, R44, and R44 II helicopters with certain main rotor blades (blade) installed. AD 2011-12-10 required inspecting each blade at the skin-to-spar line for debonding, corrosion, a separation, a gap, or a dent and rep…

  • Oct 1, 2013

    Airworthiness Directives; Robinson Helicopter Company (Robinson)

    We are adopting a new airworthiness directive (AD) for Robinson Model R22, R22 Alpha, R22 Beta, and R22 Mariner helicopters with certain fuel shut-off valves installed. This AD requires replacing the fuel shut-off valve with a newer design fuel shut-off valve. This AD is prompted by three accidents that occurred because the fuel shut- off valve was inadvert…

  • Apr 25, 2013

    Airworthiness Directives; Robinson Helicopter Company (Robinson)

    We propose to adopt a new airworthiness directive (AD) for Model R22, R22 Alpha, R22 Beta, and R22 Mariner helicopters with certain fuel shut-off valves installed. This proposed AD would require replacing the fuel shut-off valve with a newer design fuel shut-off valve. This proposed AD is prompted by three accidents that occurred because the fuel shut-off v…

  • Feb 25, 2013

    Airworthiness Directives; Robinson Helicopter Company

    We propose to supersede an existing airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R22, R22 Alpha, R22 Beta, R22 Mariner, R44, and R44 II helicopters with certain main rotor blades (blade) installed. The existing AD currently requires inspecting each blade at the skin-to-spar line for debonding, corrosion, a separation, a gap,…

  • Mar 5, 2012

    Airworthiness Directives; Robinson Helicopter Company Helicopters

    The FAA is correcting an airworthiness directive (AD) that was published in the Federal Register. That AD applies to Robinson Helicopter Company (Robinson) Model R22, R22 Alpha, R22 Beta, R22 Mariner, R44, and R44 II helicopters. The paragraph reference in paragraph (b) of the Compliance section is incorrect. Paragraph (b) references paragraph (d), when it…

  • Jun 17, 2011

    Airworthiness Directives; Robinson Helicopter Company Model (Robinson) R22, R22 Alpha, R22 Beta, R22 Mariner, R44, and R44 II Helicopters

    This amendment supersedes an existing airworthiness directive (AD) for the specified Robinson model helicopters that currently requires a visual inspection for skin separation along the leading edge of blade skin aft of the skin-to-spar bond line on the lower surface of each main rotor blade (blade) and in the tip cap area. The existing AD also requires a "…

  • Nov 24, 2010

    Airworthiness Directives; Robinson Helicopter Company (Robinson) Model R22, R22 Alpha, R22 Beta, and R22 Mariner Helicopters, and Model R44, and R44 II Helicopters

    This amendment adopts a new airworthiness directive (AD) for Robinson Model R22, R22 Alpha, R22 Beta, and R22 Mariner helicopters, and Model R44 and R44 II helicopters. This AD requires visually inspecting each tail rotor (T/R) control pedal bearing block support (support) for a crack, measuring the thickness of each support, installing support safety tabs…

  • Jul 15, 2010

    Airworthiness Directives; Robinson Helicopter Company (Robinson) Model R22, R22 Alpha, R22 Beta, and R22 Mariner Helicopters, and Model R44, and R44 II Helicopters

    This document proposes adopting a new airworthiness directive (AD) for Robinson Model R22, R22 Alpha, R22 Beta, and R22 Mariner helicopters, and Model R44 and R44 II helicopters. The AD would require visually inspecting each tail rotor (T/R) control pedal bearing block support (support) for a crack, measuring the thickness of each uncracked support, install…

  • Dec 31, 2009

    Airworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA is superseding an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components, Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan," installed. That AD currently requires initial and repetitive visua…

  • Jul 30, 2009

    Airworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA proposes to supersede an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components, Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan," installed. That AD currently requires initial and repetitiv…

  • Sep 15, 2008

    Airworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA is adopting a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components, Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan", installed. This AD requires initial and repetitive visual inspections and c…

  • May 19, 2008

    Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA proposes to adopt a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan", installed. This proposed AD would require initial and repetitive visua…

  • Jan 3, 2008

    Airworthiness Directives; Robinson Helicopter Company Models R22, R22 Alpha, R22 Beta, R22 Mariner, R44 and R44 II Helicopters

    This amendment adopts a new airworthiness directive (AD) for the specified Robinson Helicopter Company (Robinson) helicopters. This action requires a one-time visual inspection for skin separation along the leading edge of blade skin aft of the skin-to-spar bond line on the lower surface of each blade and in the tip cap area. This action also requires a "ta…

  • Apr 2, 2007

    Airworthiness Directives; Superior Air Parts, Inc. (SAP), Cylinder Assemblies Part Numbers Series: SA47000L, SA47000S, SA52000, SA55000, SL32000W, SL32000WH, SL32006W, SL36000TW, SL36000W, and SL36006W

    The FAA is revising an existing airworthiness directive (AD) for certain SAP cylinder assemblies installed in Teledyne Continental Motors (TCM) 470, 520, and 550 series reciprocating engines, Lycoming Engines (LE) 320, 360, and 540 series reciprocating engines, Avco Lycoming (AL) 540 series reciprocating engines, and Superior Air Parts, Inc. (SAP) 360 serie…

  • Feb 23, 2007

    Airworthiness Directives; Superior Air Parts, Inc. (SAP), Cast Cylinder Assemblies Part Numbers Series: SA47000L, SA47000S, SA52000, SA55000, SL32000W, SL32000WH, SL32006W, SL36000TW, SL36000W, and SL36006W

    The FAA is adopting a new airworthiness directive (AD) for certain SAP cast cylinder assemblies installed in Teledyne Continental Motors (TCM) 470, 520, and 550 series reciprocating engines, Lycoming Engines (LE) 320, 360, and 540 series reciprocating engines, Avco Lycoming (AL) 540 series reciprocating engines, and Superior Air Parts, Inc. (SAP) 360 series…

  • Jun 6, 2006

    Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA is superseding an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast", installed. That AD currently requires replacing these ECi cy…

  • Feb 24, 2006

    Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA proposes to supersede an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast", installed. That AD currently requires replacing these…

  • Dec 27, 2005

    Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA is adopting a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast", installed. This AD requires replacing these ECi cylinder assemblies.…

  • Sep 9, 2005

    Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA proposes to adopt a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast," installed. This proposed AD would require replacing these ECi c…

  • Jun 28, 2005

    Airworthiness Directives; Robinson Helicopter Company Model R22 Series Helicopters

    This document proposes adopting a new airworthiness directive (AD) for the Robinson Helicopter Company (RHC) Model R22 series helicopters. The AD would require replacing each main rotor blade (blade) droop and teeter stop (stop) and teeter stop bracket (bracket) and associated hardware with redesigned and improved airworthy parts. This proposal is prompted…

  • Sep 22, 2004

    Airworthiness Directives; Robinson Helicopter Company Model R22-Series Helicopters

    This amendment supersedes an existing emergency airworthiness directive (AD) for the Robinson Helicopter Company (Robinson) Model R22, R22 Alpha, R22 Beta, and R22 Mariner helicopters, that currently requires track-and-balancing certain main rotor blades (blades), replacing blades, and determining the age of each blade and revising the component history car…

  • Feb 19, 2003

    Airworthiness Directives; Robinson Helicopter Company Model R44 Helicopters

    This amendment adopts a new airworthiness directive (AD) for Robinson Helicopter Company (RHC) Model R44 helicopters that requires inspecting the tail rotor pitch control assembly for roughness or binding of the pitch control bearings (bearings) by hand-rotating the pitch control bearing housing (housing). If the housing does not rotate freely, the AD requi…

  • Feb 19, 2003

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This amendment adopts a new airworthiness directive (AD) for Robinson Helicopter Company (RHC) Model R22 helicopters that requires inspecting the tail rotor pitch control assembly for roughness or binding of the pitch control bearings (bearings) by hand-rotating the pitch control bearing housing (housing). If the housing does not rotate freely, the AD requi…

  • Sep 10, 2002

    Airworthiness Directives; Robinson Helicopter Company Model R44 Helicopters

    This document proposes adopting a new airworthiness directive (AD) for Robinson Helicopter Company (RHC) Model R44 helicopters. The AD would require inspecting the pitch control assembly for roughness or binding of the pitch control bearings (bearings) by hand-rotating the pitch control bearing housing (housing). If the housing does not rotate freely, the p…

  • Sep 10, 2002

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This document proposes adopting a new airworthiness directive (AD) for Robinson Helicopter Company (RHC) Model R22 helicopters. The AD would require inspecting the pitch control assembly for roughness or binding of the pitch control bearings (bearings) by hand-rotating the pitch control bearing housing (housing). If the housing does not rotate freely, the p…

  • Nov 7, 2000

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 2000-20-51, which was sent previously to all known U.S. owners and operators of Robinson Helicopter Company (RHC) Model R22 helicopters by individual letters. This AD requires checking the yoke half assembly (yoke) for any crack and replacing a cracked yoke as…

  • Apr 20, 2000

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This amendment adopts a new airworthiness directive (AD), applicable to Robinson Helicopter Company (RHC) Model R22 helicopters. This action requires replacing certain serial number sprag clutches with an airworthy sprag clutch as specified in this AD. This amendment is prompted by several reports of clutch assemblies with cracked or fractured sprag ends. T…

  • Apr 13, 1999

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 99-07-17 which was sent previously to all known U.S. owners and operators of Robinson Helicopter Company (RHC) Model R22 helicopters by individual letters. This AD requires, before further flight, inserting a Special Pilot Caution into the Normal Procedures se…

  • Jan 15, 1999

    Airworthiness Directives; Robinson Helicopter Company (RHC) Model R22 Helicopters

    This amendment supersedes an existing airworthiness directive (AD), applicable to RHC Model R22 helicopters, that currently requires initial and repetitive inspections of the forward flexplate (flexplate) at specified time intervals. This amendment also supersedes an existing priority letter AD that requires, within 25 hours time-in-service (TIS) or 15 cale…

  • Nov 24, 1998

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 98-21-09, which was sent previously to all known U.S. owners and operators of Robinson Helicopter Company (RHC) Model R22 helicopters by individual letters. This AD requires installing fuel tank vent tube(s), with modified attachment to the mast tube, if not p…

  • Dec 8, 1997

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This amendment adopts a new airworthiness directive (AD), applicable to Robinson Helicopter Company (Robinson) Model R22 helicopters with a Lycoming 0-360-J2A engine installation. This AD requires replacing the carburetor and carburetor air temperature (CAT) gage with an improved carburetor that does not require manual leaning of the fuel/air mixture during…

  • May 19, 1997

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Robinson Helicopter Company (Robinson) Model R22 helicopters with a Lycoming O-360-J2A engine installation. This proposal would require replacing the carburetor and carburetor air temperature (CAT) gage with an improved carburetor that does not require manual lea…

  • Feb 2, 1996

    Airworthiness Directives; Robinson Helicopter Company Model R44 Helicopters

    This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Robinson Helicopter Company (Robinson) Model R44 helicopters. This proposal would require an adjustment to the low-RPM warning unit threshold to increase the revolutions-per-minute (RPM) at which the warning horn and caution light activate, and revisions to the R…

  • Nov 28, 1995

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Robinson Helicopter Company (Robinson) Model R22 helicopters. This proposal would require replacement of the upper V-belt sheave (sheave). This proposal is prompted by three reports of cracks in the flange of the sheave. The actions specified in this AD are inten…

  • Oct 12, 1995

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This document proposes the supersedure of an existing airworthiness directive (AD), applicable to Robinson Helicopter Company (Robinson) Model R22 helicopters, that currently requires revisions to the Limitations section, the Normal Procedures section, and the Emergency Procedures section of the R22 Rotorcraft Flight Manual, revised February 4, 1993. These…

  • May 26, 1995

    Airworthiness Directives; Robinson Helicopter Company Model R22 Series Helicopters

    This document proposes the supersedure of an existing airworthiness directive (AD), applicable to Robinson Helicopter Company Model R22 series helicopters, that currently requires an inspection and repetitive visual checks for slippage of the tail rotor (T/R) drive and replacement of the T/R gearbox, if necessary. This action would require disassembly of th…

  • Mar 20, 1995

    Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

    This amendment supersedes an existing airworthiness directive (AD), applicable to Robinson Helicopter Company (RHC) Model R22 helicopters, that currently requires an initial dye penetrant inspection of the main rotor drive forward flexplate (flexplate), and repetitive visual inspections of certain installed flexplates. This amendment is prompted by three ac…

  • Mar 2, 1995

    Airworthiness Directives; Robinson Helicopter Company Model R44 Helicopters

    This amendment supersedes an existing airworthiness directive (AD), applicable to Robinson Helicopter Company Model R44 helicopters, that currently requires revisions to the Limitations section, the Normal Procedures section, and the Emergency Procedures section of the R44 Rotorcraft Flight Manual, revised September 6, 1994. These revisions limit operations…

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 /  Related

More on Robinson Helicopter R22 in the Atlas

Robinson Helicopter R22 type page → — 129 registered · 46 ADs · 54 NTSB records

Recent NTSB events · this type

Search the full US registry → · All airworthiness directives → · Accident & safety surface →

06 /  Sources & Methodology

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