[Federal Register: October 15, 1999 (Volume 64, Number 199)]
[Notices]               
[Page 56016]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr15oc99-142]                         

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

 
Proposed Advisory Circular 25.491-1, Taxi, Takeoff and Landing 
Roll Design Loads

AGENCY: Federal Aviation Administration, DOT.

ACTION: Notice of availability of proposed Advisory Circular (AC) 
25.491-1, and request for comments.

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SUMMARY: This notice announces the availability of and requests 
comments on a proposed advisory circular (AC) which sets forth 
acceptable methods of compliance with 14 CFR 25.491 concerning taxi, 
takeoff and landing roll design loads. This notice is necessary to give 
all interested persons an opportunity to present their views on the 
proposed AC.

DATES: Comments must be received on or before December 14, 1999.

ADDRESSES: Send all comments on proposed AC to: Federal Aviation 
Administration, Attention: James D. Haynes, Airframe and Cabin Safety 
Branch, ANM-115, Transport Airplane Directorate, Aircraft Certification 
Service, 1601 Lind Avenue SW, Renton, WA 98055-4056. Comments may be 
inspected at the above address between 7:30 a.m. and 4:00 p.m. 
weekdays, except Federal holidays.

FOR FURTHER INFORMATION CONTACT: Jan Thor, Standards Staff, at the 
address above, telephone (425) 227-2127.

SUPPLEMENTARY INFORMATION:

Comments Invited

    Interested persons are invited to comment on the proposed AC by 
submitting such written data, views, or arguments as they may desire. 
Commenters should identify AC 25.491-1 and submit comments, in 
duplicate, to the address specified above. All communications received 
on or before the closing date for comments will be considered by the 
Transport Standards Staff before issuing the final AC. The proposed AC 
can be found and downloaded from the Internet at http://www.faa.gov/
avr/air/airhome.htm, at the link titled ``Draft AC's.'' A paper copy of 
the proposed AC may be obtained by contacting the person named above 
under the caption FOR FURTHER INFORMATION.

Discussion

    This proposed AC sets forth acceptable methods of compliance with 
the provisions of 14 CFR Sec. 25.491 dealing with the certification 
requirements for taxi, takeoff and landing roll design loads. Guidance 
information is provided for showing compliance with that regulation 
relating to structural design for airplane operation on paved runways 
and taxiways normally used in commercial operation. Other methods of 
compliance with the requirements may be acceptable.

    Issued in Renton, Washington, on October 7, 1999.
Donald L. Riggin,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service, ANM-100.
[FR Doc. 99-26954 Filed 10-14-99; 8:45 am]
BILLING CODE 4910-13-M