AD 2006-16-18 R1

AD Final Rules - 2006-16-18R1.pdf
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AD Number:
2006-16-18 R1
Document Type:
AD Final Rules
Docket Number:
FAA-2007-0290
Subject Heading:
Airworthiness Directives; Sandel Avionics Incorporated Model ST3400 Terrain Awareness Warning System/Radio Magnetic Indicator (TAWS/ RMI) Units Approv... ...Show more
Subject:
Installing a warning placard on the TAWS/RMI
Status:
Current
Citation:
Federal Register: June 13, 2008
Citation Publish Date:
06/13/2008
Effective Date:
07/18/2008
Make:
Airbus | The Boeing Company | British Aerospace Regional Aircraft | Cessna Aircraft Company | Dassault Aviation | Embraer - Empresa Brasileira de Aeronautica S.A. | Gulfstream Aerospace Corporation | Gulfstream Aerospace LP ...Show more
Model:
A300 B2-1A | A300 B2-1C | A300 B2-203 | A300 B2K-3C | A300 B4-103 | A300 B4-203 | A300 B4-2C | A300 B4-601 ...Show more
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
2006-16-18
Affected By:
Superseded By:
Service/Office:
AIR-700: Compliance & Airworthiness Division
Office of Primary Responsibility:
AIR-720: Operational Safety Branch
CFR Part Reference:
Part 39
Comments:
Updated RGL applicability to match AD applicability; CAR C-11-185
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1


[Federal Register: June 13, 2008 (Volume 73, Number 115)]


[Rules and Regulations]


[Page 33663-33665]


From the Federal Register Online via GPO Access [wais.access.gpo.gov]


[DOCID:fr13jn08-3]


––––––––––––––––––––––––––––––––––


DEPARTMENT OF TRANSPORTATION


Federal Aviation Administration


14 CFR Part 39


[Docket No. FAA-2007-0290; Directorate Identifier 2007-NM-250-AD; Amendment 39-15557;


AD 2006-16-18 R1]


RIN 2120-AA64


Airworthiness Directives; Sandel Avionics Incorporated Model ST3400 Terrain Awareness


Warning System/Radio Magnetic Indicator (TAWS/RMI) Units Approved Under Technical


Standard Order(s) C113, C151a, or C151b; Installed on Various Small and Transport Category


Airplanes


AGENCY:
 
Federal Aviation Administration (FAA), Department of Transportation (DOT).


ACTION:
 
Final rule.


––––––––––––––––––––––––––––––––––


SUMMARY:
 
The FAA is revising an existing airworthiness directive (AD) that applies to Sandel


Avionics Incorporated Model ST3400 TAWS/RMI units as described above. The existing AD


currently requires installing a warning placard on the TAWS/RMI and revising the Limitations


section of the airplane flight manual (AFM). The existing AD also requires installing upgraded


software in the TAWS/RMI. This new AD allows installing later revisions of the software described


in the existing AD. This AD results from a report that an in-flight bearing error occurred in a Model


ST3400 TAWS/RMI configured to receive bearing information from a very high frequency


omnidirectional range (VOR) receiver interface via a composite video signal, due to a combination of


input signal fault and software error. We are issuing this AD to prevent a bearing error, which could


lead to an airplane departing from its scheduled flight path, which could result in a reduction in


separation from, and a possible collision with, other aircraft or terrain.


DATES:
 
This AD is effective July 18, 2008.


On September 25, 2006 (71 FR 48461, August 21, 2006), the Director of the Federal Register


approved the incorporation by reference of Sandel ST3400 Service Bulletin SB3400-01, Revision B,


dated September 15, 2004.


ADDRESSES:
 
For service information identified in this AD, contact Sandel Avionics Incorporated


(Sandel), 2401 Dogwood Way, Vista, California 92081.
2


Examining the AD Docket


You may examine the AD docket on the Internet at http://www.regulations.gov; or in person at


the Docket Management Facility between 9 a.m. and 5 p.m., Monday through Friday, except Federal


holidays. The AD docket contains this AD, the regulatory evaluation, any comments received, and


other information. The address for the Docket Office (telephone 800-647-5527) is the Document


Management Facility, U.S. Department of Transportation, Docket Operations, M-30, West Building


Ground Floor, Room W12-140, 1200 New Jersey Avenue SE., Washington, DC 20590.


FOR FURTHER INFORMATION CONTACT:
 
Ha A. Nguyen, Aerospace Engineer, Systems and


Equipment Branch, ANM-130L, FAA, Los Angeles Aircraft Certification Office, 3960 Paramount


Boulevard, Lakewood, California 90712-4137; telephone (562) 627-5335; fax (562) 627-5210.


SUPPLEMENTARY INFORMATION:


Discussion


The FAA proposed to amend part 39 of the Federal Aviation Regulations (14 CFR part 39) with


an airworthiness directive (AD) to revise AD 2006-16-18, amendment 39-14718 (71 FR 48461,


August 21, 2006). The existing AD applies to Sandel Avionics Incorporated (Sandel) Model ST3400


terrain awareness warning system/radio magnetic indicator (TAWS/RMI) units approved under


Technical Standard Order(s) C113, C151a, or C151b; as installed on various small and transport


category airplanes. The proposed AD was published in the Federal Register on March 13, 2008 (73


FR 13498) to require installing a warning placard on the TAWS/RMI, revising the Limitations


section of the airplane flight manual (AFM), and installing upgraded software in the TAWS/RMI.


Comments


We provided the public the opportunity to participate in the development of this AD. We


received no comments on the NPRM or on the determination of the cost to the public.


Conclusion


We have carefully reviewed the available data and determined that air safety and the public


interest require adopting the AD as proposed.


Costs of Compliance


This AD describes the installation of later revisions of software than those specified in AD 2006-


16-18; however, this change imposes no new costs on operators. Costs are repeated here for operator


convenience only.


This AD affects about 300 airplanes of U.S. registry. The actions take about 1 work hour per


airplane, at an average labor rate of $80 per work hour. Based on these figures, the estimated cost of


the AD for U.S. operators is $24,000, or $80 per airplane.


Authority for This Rulemaking


Title 49 of the United States Code specifies the FAA's authority to issue rules on aviation safety.


Subtitle I, Section 106, describes the authority of the FAA Administrator. Subtitle VII, Aviation


Programs, describes in more detail the scope of the Agency's authority.