NTSB -- NTSB Safety Recommendations A-11-79 through -81

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NTSB SAFETY RECOMMENDATION

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National Transportation Safety Board

Washington, DC 20594

August 12, 2011

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NTSB Safety Recommendations A-11-79 through -81

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The National Transportation Safety Board makes the following

recommendations to the Federal Aviation Administration:

Require that the length of oxygen mask hoses in the cockpits

of airplanes used in 14 Code of Federal Regulations Part 121

operations be increased, as necessary, to allow flight crews

access to all required emergency equipment in the cockpit,

as well as to additional emergency equipment provided by the

cabin crew via the cockpit door, while oxygen masks are

donned. (A-11-79)

Amend Advisory Circular 120-80, "In-Flight Fires," to

provide clear guidance to flight crews concerning the type

of breathing equipment to wear when combating a cockpit

fire, taking into consideration the limitations of portable

protective breathing equipment in both passenger and cargo

operations. (A-11-80)

Amend Advisory Circulars 20-42D, "Hand Fire Extinguishers

for Use in Aircraft"; 25-17A, "Transport Airplane Cabin

Interiors Crashworthiness Handbook"; and 25-22,

"Certification of Transport Airplane Mechanical Systems" to

indicate that hand fire extinguishers in the cockpit must be

reachable by at least one flight crewmember while wearing an

oxygen mask. (A-11-81)

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http://www.ntsb.gov/doclib/recletters/2011/A-11-079-081.pdf

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The complete recommendation letter is available on the Web

at the URL indicated above.

The letter is in the Portable Document Format (PDF) and can

be read using the Acrobat Reader 5.0 or later from Adobe

(http://www.adobe.com/prodindex/acrobat/readstep.html).

An archive of recommendation letters is available at

http://www.ntsb.gov/recs/letters/letters.htm.

Electronic versions of letters may or may not include

enclosures; however, related publications, accident

briefs, and aviation accident synopses may be found

on the NTSB website.

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