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All Posts By

Sun Yi

ROTOR DailyAirworthiness Directives

Final FAA AD: Leonardo S.p.A. Models AB139, AW139 helicopters

This airworthiness directive (AD) requires an inspection of each TRB for the general condition and any evidence of…
Sun Yi
Sun YiNovember 5, 2021
ROTOR DailyAirworthiness Directives

Final FAA AD: Leonardo S.p.A. Models A109A, A109A II, A109C, A109E, A109K2, A109S, AW109SP, A119, AW119 MKII helicopters

This airworthiness directive (AD) requires a visual inspection of the affected rods for damage, cracks, or abnormal play…
Sun Yi
Sun YiNovember 5, 2021
ROTOR DailyAirworthiness Directives

Final FAA AD: Airbus Helicopters Deutschland GmbH EC135 series helicopters

This airworthiness directive (AD) continues to require the actions specified in AD 2019-05-06 and also requires a modification…
Sun Yi
Sun YiNovember 5, 2021
ROTOR DailyRegulatory News

EASA updates Easy Access Rules for Air Operations, Continuing Airworthiness

EASA has published updated versions of Easy Access Rules for Air Operations (Revision 15) and Easy Access Rules…
Sun Yi
Sun YiJuly 7, 2021
ROTOR DailyAirworthiness Directives

EASA Final AD: Aerolite AG, Installation of 3-Stretcher Unit Assembly

This EASA airworthiness directive (AD), 2021-0131, applies to the AW189 helicopter, all serial numbers, and regards a design…
Sun Yi
Sun YiMay 21, 2021
ROTOR DailyAirworthiness Directives

EASA Proposed AD: Leonardo S.p.A. A109 helicopters

This proposed airworthiness directive (PAD), 21-059R1, concerns certain tail rotor sleeve assemblies.
Sun Yi
Sun YiMay 21, 2021
ROTOR DailyAirworthiness Directives

FAA Final AD: All Airbus Helicopters Model SA.330J helicopters

This airworthiness directive (AD) repetitively inspecting the MGB particle detector and the MGB bottom housing (oil sump) for…
Sun Yi
Sun YiMay 20, 2021
ROTOR DailyAirworthiness Directives

FAA Final AD: Airbus Helicopters Deutschland GmbH Model Bo 105 series helicopters

This airworthiness directive (AD) requires replacement of certain TT-straps with serviceable parts and implementation of a new storage…
Sun Yi
Sun YiMay 20, 2021
ROTOR DailyAirworthiness Directives

FAA Proposed AD: Eurocopter France SA 341G, SA 342J, SA 360C helicopters

This proposed airworthiness directive (AD) requires removing certain main rotor head torsion tie bars from service and revising…
Sun Yi
Sun YiMay 20, 2021
ROTOR DailyAirworthiness Directives

FAA Final AD: Leonardo S.p.A. Model AW169 helicopters

This airworthiness directive (AD) requires temporarily revising the existing rotorcraft flight manual for your helicopter and installing an…
Sun Yi
Sun YiMay 18, 2021
ROTOR DailyAirworthiness Directives

Final FAA AD: Eurocopter France (now Airbus Helicopters) Model SA.330J helicopters

This airworthiness directive (AD) required inspecting for a gap between the main gearbox oil cooling fan assembly rotor…
Sun Yi
Sun YiMay 18, 2021
ROTOR DailyAirworthiness Directives

FAA Proposed AD: Airbus Helicopters Models AS350B, AS350 BA, AS350 B1, AS350 B2, AS350 B3, AS350 D, AS355 E, AS355 F, AS355 F1, AS355 F2, AS355 N, AS355 NP helicopters

This proposed airworthiness directive (AD) would require dye penetrant inspecting certain TGB actuating rods for a crack, and…
Sun Yi
Sun YiMay 18, 2021
ROTOR DailyAirworthiness Directives

Final FAA AD: Airbus Helicopters Model EC225 LP helicopters

This airworthiness directive (AD) required repetitively inspecting, cleaning, and lubricating each life raft inflation cylinder percussion system bellcrank…
Sun Yi
Sun YiMay 18, 2021
Safety

FAASTeam: Understanding owner and mechanic roles and responsibilities

Although pilots and aircraft owners rely on mechanics to maintain and inspect their aircraft, the owner or operator…
Sun Yi
Sun YiMay 17, 2021
ROTOR DailyAirworthiness Directives

FAA Final AD: Agusta S.p.A (now Leonardo S.p.A.) Models A109A, A109A II helicopters

This airworthiness directive (AD) 2015-25-04 required inspecting the slider assembly pitch control (slider) for play and replacing the…
Sun Yi
Sun YiMay 14, 2021
ROTOR DailyAirworthiness Directives

FAA Proposed AD: Leonardo S.p.A. (Leonardo) Models A109S, AW109SP helicopters

This proposed airworthiness directive (AD) would require repetitive inspections of the vertical fin vibration absorber installation and the…
Sun Yi
Sun YiMay 13, 2021
ROTOR DailyAirworthiness Directives

EASA Proposed AD: Airbus Helicopters Deutschland Model Bo 105 helicopters

This proposed airworthiness directive (PAD) 21-067: Airbus Helicopters Deutschland Model Bo 105 helicopters; ATA 05 – Time Limits…
Sun Yi
Sun YiMay 11, 2021
ROTOR DailyAirworthiness Directives

EASA Final AD: Leonardo S.p.A. AB 212, AB 412 helicopters

This EASA airworthiness directive (AD) 2021-0126: Leonardo S.p.A. AB 212 and AB 412 helicopters; ATA 28 / 79…
Sun Yi
Sun YiMay 11, 2021
ROTOR DailyAirworthiness Directives

EASA Final AD: Airbus Helicopters Model AS350 helicopters

This EASA airworthiness directive (AD) 2021-0123-E: Airbus Helicopters Model AS350 helicopters; ATA 29 – Hydraulic Power – Tail…
Sun Yi
Sun YiMay 10, 2021
ROTOR DailyAirworthiness Directives

FAA Proposed AD: Agusta S.p.A. (now Leonardo S.p.A.) Models AB139, AW139 helicopters

This airworthiness directive (AD) requires revising the life limit for certain part-numbered tail rotor (T/R) blades, updating the…
Sun Yi
Sun YiMay 10, 2021
ROTOR DailyAirworthiness Directives

FAA Proposed AD: Airbus Helicopters Model EC225 LP helicopters

The FAA is revising a notice of proposed rulemaking (NPRM) that applied to certain Airbus Helicopters Model EC225…
Sun Yi
Sun YiMay 10, 2021
ROTOR DailyAirworthiness Directives

EASA Final AD: Airbus Helicopters Deutschland GmbH MBB BK 117 series helicopters

This EASA airworthiness directive (AD), AD 2021-0122, ATA 05, covers time limits / maintenance checks, the airworthiness limitation…
Sun Yi
Sun YiMay 7, 2021
ROTOR DailyAirworthiness Directives

FAA Proposed AD: Bell Textron Canada, 206 series helicopters

The FAA is revising a notice of proposed rulemaking that applied to certain Bell Textron Canada Model 206A,…
Sun Yi
Sun YiMay 7, 2021
ROTOR DailyAirworthiness Directives

FAA Proposed AD: Airbus / Eurocopter France Models SA 365 N, SA 365 N1, AS365 N2, AS365 N3, and SA 366 G1 helicopters

This proposed airworthiness directive (AD) would require measuring the 9-degree frame flange for the correct edge distance of…
Sun Yi
Sun YiMay 7, 2021
ROTOR DailyAirworthiness Directives

FAA Final AD: Bell Textron Canada Limited, certain 206L series helicopters

This airworthiness directive (AD) requires removing certain switch units from service and prohibits installing those switch units.
Sun Yi
Sun YiMay 7, 2021
ROTOR DailySafety

FAA Safety Briefing: Sharing the skies safely

When you climb into the cockpit, how do you know whether there are any unmanned aircraft systems in…
Sun Yi
Sun YiMay 3, 2021
ROTOR DailyAirworthiness Directives

EASA Final AD: Airbus Helicopters Model EC175 B helicopters – stabilizers

This EASA airworthiness directive (AD) 2020-0132R1: Airbus Helicopters Model EC175 B helicopters; ATA 55 – Stabilizers – Horizontal…
Sun Yi
Sun YiApril 28, 2021
ROTOR DailyAirworthiness Directives

EASA Final AD: Airbus Helicopters Model EC175 B helicopters – cargo doors

This EASA airworthiness directive (AD) 2020-0094R1: Airbus Helicopters Model EC175 B helicopters; ATA 52 – Doors – Cargo…
Sun Yi
Sun YiApril 28, 2021
ROTOR DailyAirworthiness Directives

EASA Final AD: Airbus Helicopters Model EC175 B helicopters – stabilizer spar

This EASA airworthiness directive (AD) 2019-0148R1: Airbus Helicopters Model EC175 B helicopters; ATA 55 – Stabilizers – Horizontal…
Sun Yi
Sun YiApril 28, 2021
ROTOR DailyAirworthiness Directives

EASA Proposed AD: Leonardo S.p.A. Model A109 helicopters

This proposed airworthiness directive (PAD) affects A109C, A109K2, A109E, A109S, and AW109SP helicopters, all serial numbers (s/n).
Sun Yi
Sun YiApril 28, 2021
ROTOR DailyAirworthiness Directives

EASA Proposed AD: Airbus Helicopters Models AS350, EC130, EC120 helicopters

This proposed airworthiness directive (PAD) 21-058: Airbus Helicopters Models AS350, EC130 and EC120 helicopters; ATA 31 – Indicating…
Sun Yi
Sun YiApril 28, 2021
ROTOR DailyAirworthiness Directives

FAA Proposed AD: Certain Airbus Model AS332, AS350, AS355 series helicopters

This proposed airworthiness directive (AD) would also require reporting certain information and prohibit the installation of an affected…
Sun Yi
Sun YiApril 28, 2021
ROTOR DailyAirworthiness Directives

FAA Final AD: Airbus Helicopters Models EC130 B4, EC130 T2 helicopters

Airworthiness directive (AD) 2016-08-20 required repetitively inspecting the tail boom to Fenestron junction frame (junction frame) for a…
Sun Yi
Sun YiApril 28, 2021
ROTOR DailyRegulatory News

EASA approves 1st VR-based flight simulation training device

The European Union Aviation Safety Agency (EASA) has granted the first certificate for a virtual reality–based flight simulation…
Sun Yi
Sun YiApril 27, 2021
ROTOR DailyRegulatory News

Agency information collection activities: operation of small UAS over people

This FAA information collection activity involves operators and owners of small unmanned aircraft systems (UAS) issued an airworthiness…
Sun Yi
Sun YiApril 27, 2021
ROTOR DailyAirworthiness Directives

FAA Final AD: Airbus Helicopters Model AS332L2 helicopters

This airworthiness directive, prompted by the discovery of a main gearbox (MBG) with worn ramps and broken roller…
Sun Yi
Sun YiApril 27, 2021
ROTOR DailyAirworthiness Directives

EASA Final AD: Airbus Helicopters Deutschland GmbH Models MBB/BK 117 D-2 helicopters

This airworthiness directive (AD), which supersedes EASA AD 2018-0163, dated 25 July 2018, affects MBB/BK 117 D-2 helicopters…
Sun Yi
Sun YiApril 27, 2021
ROTOR DailyAirworthiness Directives

FAA proposed AD: Airbus Helicopters Deutschland GmbH MBB-BK 117 series helicopters

This proposed airworthiness directive, prompted by a report of sudden severe vibrations and a cracked open blade trailing…
Sun Yi
Sun YiApril 26, 2021
ROTOR DailyAirworthiness Directives

FAA final AD: PZL Swidnik S.A. (PZL) Model W-3A helicopters

This airworthiness directive requires repetitive inspections of a certain part-numbered stainless steel cable installed on a certain part-numbered…
Sun Yi
Sun YiApril 26, 2021
ROTOR DailyAirworthiness Directives

FAA final AD: Airbus Helicopters Models SA 341G and SA 342J helicopters

This airworthiness directive (AD) requires replacing certain tail rotor blades (TRBs), re-identifying certain TRBs, and repairing certain other…
Sun Yi
Sun YiApril 26, 2021
ROTOR DailyAirworthiness DirectivesUncategorized

FAA Final AD: certain Airbus Helicopters EC135 series helicopters

This airworthiness directive (AD) required inspecting certain part-numbered actuators for corrosion, removing them as necessary, and reporting certain…
Sun Yi
Sun YiApril 23, 2021
ROTOR DailyAirworthiness Directives

FAA proposed AD: Airbus Helicopters Models SA 365 N, SA 365 N1, AS 365 N2, AS365 N3 helicopters

This airworthiness directive (AD) requires repetitively inspecting frame number (No.) 9 for a crack.
Sun Yi
Sun YiApril 22, 2021
ROTOR DailyAirworthiness Directives

FAA proposed AD: Airbus Helicopters Models AS 332C, AS 332C1, AS 332L, AS 332L1 helicopters

This proposed airworthiness directive (AD) would require repetitive inspections for hydraulic leaks, corrective actions if necessary, and an…
Sun Yi
Sun YiApril 22, 2021
ROTOR DailyAirworthiness Directives

FAA proposed AD: Airbus Helicopters Model EC155 B1 helicopters

This proposed airworthiness directive (AD) would require a functional check of the pilot and copilot door jettisoning system…
Sun Yi
Sun YiApril 22, 2021
ROTOR DailyAirworthiness Directives

EASA proposal to cancel AD: Pacific Scientific Co. restraint systems 2000029, 2000067, and 2000115

This notice proposes to cancel EASA Airworthiness Directive 2007-0256 dated Sep 19, 2007, which regarded certain Pacific Scientific…
Sun Yi
Sun YiApril 19, 2021
ROTOR DailyAirworthiness Directives

FAA proposed AD: Leonardo S.p.a. AW189 helicopters

This proposed airworthiness directive (AD) would require revising the existing Rotorcraft Flight Manual (RFM) for all Leonardo Model…
Sun Yi
Sun YiApril 19, 2021
ROTOR DailyAirworthiness Directives

FAA Final Special Condition AD: Airbus Helicopters Model H160B helicopter

These special conditions are issued for Airbus H160B helicopter, which has a novel or unusual design feature associated…
Sun Yi
Sun YiApril 19, 2021
ROTOR DailyAirworthiness Directives

FAA proposed AD: Airbus Helicopters Deutschland GmbH helicopters

This proposed AD, which applies to certain Model BO105 series helicopters, would require inspections of the hoist control…
Sun Yi
Sun YiApril 19, 2021
ROTOR DailyAirworthiness Directives

FAA proposed AD: Leonardo S.p.A. Helicopters (type certificates previously held by Agusta S.p.A. and AgustaWestland S.p.A.)

This proposed airworthiness directive (AD) would require a one-time inspection of the main rotor slip ring and, depending…
Sun Yi
Sun YiApril 19, 2021
ROTOR DailySafety

EASA safety information bulletin: bird strike risk mitigation in rotorcraft operations

EASA has observed an increase of bird strikes involving civil rotorcraft, elevating the risk of serious or fatal…
Sun Yi
Sun YiApril 19, 2021

ROTOR Magazine / June 2022

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