Rogue5
Adult Swim junkie
- Joined
- Jul 16, 2002
- Posts
- 882
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NTSB SAFETY RECOMMENDATION
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National Transportation Safety Board
Washington, DC 20594
Month Day, Year
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Safety Recommendation A-06-48 through -51
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The National Transportation Safety Board recommends that the Federal Aviation Administration:
Require all operators of Saab SF340 series airplanes to instruct pilots to maintain a minimum operating airspeed of 1.45xVs during icing encounters and before entering known or forecast icing conditions and to exit icing conditions as soon as performance degradations prevent the airplane from maintaining 1.45xVs. (A-06-48) Urgent
Require the installation of modified stall protection logic in Saab SF340 series airplanes certified for flight into known icing conditions. (A-06-49)
Require the installation of an icing detection system on Saab SF340 series airplanes. (A-06-50)
Require all operators of turbopropeller-driven airplanes to instruct pilots, except during intermittent periods of high workload, to disengage the autopilot and fly the airplane manually when operating in icing conditions. (A-06-51)
Convene a panel of airplane design, aviation operations, and aviation human factors specialists, including representatives from the National Aeronautics and Space Administration, to determine whether a requirement for the installation of low-airspeed alert systems in airplanes engaged in commercial operations under 14 Code of Federal Regulations Parts 121 and 135 would be feasible, and submit a report of the panel's findings. (A-03-53)
If the panel requested in Safety Recommendation A-03-53 determines that a requirement for the installation of low-airspeed alert systems in airplanes engaged in commercial operations under 14 Code of Federal Regulations Part 121 and 135 is feasible, establish requirements for low-airspeed alert systems, based on the findings of the panel. (A-03-5)
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http://www.ntsb.gov/recs/letters/2006/A06_48_51.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 3.0 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.
Please note that the electronic version of this letter may
not include enclosures; however, related publications,
accident briefs, and aviation accident synopses are also
available on the web site.
************************************************************
NTSB SAFETY RECOMMENDATION
************************************************************
National Transportation Safety Board
Washington, DC 20594
Month Day, Year
************************************************************
Safety Recommendation A-06-48 through -51
************************************************************
The National Transportation Safety Board recommends that the Federal Aviation Administration:
Require all operators of Saab SF340 series airplanes to instruct pilots to maintain a minimum operating airspeed of 1.45xVs during icing encounters and before entering known or forecast icing conditions and to exit icing conditions as soon as performance degradations prevent the airplane from maintaining 1.45xVs. (A-06-48) Urgent
Require the installation of modified stall protection logic in Saab SF340 series airplanes certified for flight into known icing conditions. (A-06-49)
Require the installation of an icing detection system on Saab SF340 series airplanes. (A-06-50)
Require all operators of turbopropeller-driven airplanes to instruct pilots, except during intermittent periods of high workload, to disengage the autopilot and fly the airplane manually when operating in icing conditions. (A-06-51)
Convene a panel of airplane design, aviation operations, and aviation human factors specialists, including representatives from the National Aeronautics and Space Administration, to determine whether a requirement for the installation of low-airspeed alert systems in airplanes engaged in commercial operations under 14 Code of Federal Regulations Parts 121 and 135 would be feasible, and submit a report of the panel's findings. (A-03-53)
If the panel requested in Safety Recommendation A-03-53 determines that a requirement for the installation of low-airspeed alert systems in airplanes engaged in commercial operations under 14 Code of Federal Regulations Part 121 and 135 is feasible, establish requirements for low-airspeed alert systems, based on the findings of the panel. (A-03-5)
************************************************************
http://www.ntsb.gov/recs/letters/2006/A06_48_51.pdf
************************************************************
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 3.0 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.
Please note that the electronic version of this letter may
not include enclosures; however, related publications,
accident briefs, and aviation accident synopses are also
available on the web site.
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