EASA Regulations for Gulfstream G-IV

6 airworthiness directives and regulations affecting Gulfstream G-IV.

EASA AD US-2020-12-06

SUPERSEDED BY FAA AD 2022-02-15

FAA Airworthiness Directive 2020-12-06 is a final rule affecting all Gulfstream Aerospace Corporation Model G-IV airplanes. It addresses reports of un-commanded nose wheel steering turns caused by moisture entering the nose wheel steering servo valve, which can freeze and cause unintended steering during landing. This directive mandates replacement of the nose wheel steering servo valve manifold and revisions to the airplane flight manual to mitigate this unsafe condition.

Jun 16, 2020
Airworthiness DirectiveMaintenanceSafety MgmtGulfstream Aerospace Corporation GIVGulfstream G-IV

EASA AD US-2019-20-08

Time Limits / Maintenance Checks - Airworthiness Limitations Section - Amendment

The document titled "Time Limits / Maintenance Checks - Airworthiness Limitations Section - Amendment" is a final rule airworthiness directive issued by the FAA for Gulfstream Aerospace Corporation Model G-IV and Model GIV-X airplanes. It mandates revisions to the airworthiness limitations section of the aircraft maintenance manual to incorporate updated inspections and life limits addressing fatigue cracking of principal structural elements. This directive affects specific serial numbers of the G-IV and GIV-X series airplanes.

Dec 13, 2019
Airworthiness DirectiveMaintenanceSafety MgmtGulfstream Aerospace Corporation GIVGulfstream G-IVGulfstream GIV-X

EASA AD US-2017-26-05

Wings - Flap Track - Replacement

Federal Aviation Administration Airworthiness Directive 2017-26-05 is a final rule addressing certain Gulfstream Aerospace Corporation Models G-1159A (GIII), G-IV, and GIV-X (G450) airplanes. It mandates the replacement of flap track C parts that were found to have an upper flange thickness less than the design minimum. This directive aims to ensure continued airworthiness and safety of the affected aircraft models.

Jan 25, 2018
Airworthiness DirectiveMaintenanceSafety MgmtGulfstream Aerospace Corporation G-1159Gulfstream Aerospace Corporation GIVGulfstream G-1159A (GIII)Gulfstream G-IVGulfstream GIV-X (G450)

EASA SIB NM-10-12

Honeywell NZ-2000 Primus Epic Flight Management System

The Honeywell NZ-2000 Primus Epic Flight Management System Special Airworthiness Information Bulletin SAIB: NM-10-12 is an FAA advisory issued on January 7, 2009. It addresses incorrect navigation information transmitted by the NZ-2000 Primus Epic FMS software versions VAR9XX, VAR10XX, or VAR11XX installed on Hawker Beechcraft Model 4000, Gulfstream G-IV, GIV-X, GV-SP airplanes, Agusta AW-139 helicopters, and Cessna Model 680 airplanes. The bulletin informs operators about a navigation issue during RNAV approaches that may cause the FMS to navigate incorrectly when changing runways during a STAR procedure.

Jan 8, 2010
Safety Information BulletinFlight OpsSafety MgmtHawker Beechcraft 4000Gulfstream G-IVGulfstream GIV-XGulfstream GV-SPAgusta AW-139Cessna 680

EASA SIB 2008-73

FAA SAIB NM-08-39 - Honeywell Flight Management System (FMS) - Early Descent Behaviour

FAA SAIB NM-08-39 is a Special Airworthiness Information Bulletin addressing premature descent behavior in certain Honeywell Flight Management Systems (FMS) when coupled to VNAV or VGP. The affected FMS units include Honeywell Epic Integrated Avionics and Legacy FMZ-2000 models installed on various aircraft such as Boeing 727 series, Bombardier CL-600 series, Cessna 650, Dassault Falcon series, Gulfstream G-1159, G-IV, GV, and Hawker Beechcraft HS125 and BAe125 series. The bulletin informs operators about incorrect vertical deviation indications that may lead to early descent below the intended flight path during RNAV approaches.

Aug 11, 2008
Safety Information BulletinFlight OpsSafety MgmtBoeing 727Bombardier CL-600Cessna 650Dassault FalconGulfstream G-1159Gulfstream G-IVGulfstream GVHawker Beechcraft HS125BAe 125

EASA SIB 2007-30

FAA SAIB NM-07-48 - Gulfstream G-IV series aircraft - Potentially Reduced Lug Radius Dimension on the Aileron Boost Bellcrank Clevis

FAA Special Airworthiness Information Bulletin NM-07-48 is an informational bulletin addressing a potential manufacturing issue on Gulfstream G-IV series aircraft, specifically serial numbers 1000 through 1278. The bulletin highlights a potentially reduced lug radius dimension on the aileron boost bellcrank clevis, which could affect hydraulic actuator attachment. This issue was also noted in EASA Safety Information Notice 2007-30.

Sep 26, 2007
Safety Information BulletinMaintenanceSafety MgmtGulfstream G-IV