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    <title>Transport Research International Documentation (TRID)</title>
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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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    <item>
      <title>Safety Recommendation Report: Unsafe Wiring Conditions in Piper Model PA-31T-Series Airplane Floor-Mounted Circuit Breaker Panels</title>
      <link>https://trid.trb.org/View/1447171</link>
      <description><![CDATA[The National Transportation Safety Board (NTSB) is providing the following information to urge the Federal Aviation Administration (FAA) to take urgent action on the safety recommendation in this report. This recommendation is intended to detect and correct unsafe wiring conditions that could lead to chafing, thermal stress, or arcing in the area directly below the floor-mounted circuit breaker panel in Piper Aircraft, Inc. model PA-31T-series airplanes. It is derived from an ongoing investigation of an accident in which a Piper PA-31T broke up in flight and crashed shortly after the pilot reported smoke in the cockpit. The accident occurred July 29, 2016 near McKinleyville, California. As a result of preliminary findings in this investigation, the NTSB is issuing one urgent safety recommendation to the FAA.]]></description>
      <pubDate>Mon, 27 Feb 2017 09:25:32 GMT</pubDate>
      <guid>https://trid.trb.org/View/1447171</guid>
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    <item>
      <title>Terrain impact after entering IMC and controller's failure to issue safety warning, PA-32-300, Honolulu, Hawaii</title>
      <link>https://trid.trb.org/View/1101162</link>
      <description><![CDATA[]]></description>
      <pubDate>Mon, 02 May 2011 12:56:16 GMT</pubDate>
      <guid>https://trid.trb.org/View/1101162</guid>
    </item>
    <item>
      <title>Mid-air collision over Hudson River, Piper PA-32R-300 and Eurocopter AS350BA, near Hoboken, New Jersey</title>
      <link>https://trid.trb.org/View/1089856</link>
      <description><![CDATA[]]></description>
      <pubDate>Tue, 01 Feb 2011 13:06:36 GMT</pubDate>
      <guid>https://trid.trb.org/View/1089856</guid>
    </item>
    <item>
      <title>Piper Meridian</title>
      <link>https://trid.trb.org/View/867069</link>
      <description><![CDATA[Subtitle: Fast economic and easy to fly, but with range/payload compromises.]]></description>
      <pubDate>Thu, 07 Aug 2008 14:18:15 GMT</pubDate>
      <guid>https://trid.trb.org/View/867069</guid>
    </item>
    <item>
      <title>Piper Cheyenne IIXL</title>
      <link>https://trid.trb.org/View/857970</link>
      <description><![CDATA[Subtitle: Best bargain in the Cheyenne family.]]></description>
      <pubDate>Mon, 05 May 2008 16:40:32 GMT</pubDate>
      <guid>https://trid.trb.org/View/857970</guid>
    </item>
    <item>
      <title>Piper unwraps a jet at NBAA</title>
      <link>https://trid.trb.org/View/797029</link>
      <description><![CDATA[]]></description>
      <pubDate>Tue, 16 Jan 2007 11:37:11 GMT</pubDate>
      <guid>https://trid.trb.org/View/797029</guid>
    </item>
    <item>
      <title>Piper creates the Colt</title>
      <link>https://trid.trb.org/View/796870</link>
      <description><![CDATA[Subtitle: It's 1961, and we need a new airplane.]]></description>
      <pubDate>Tue, 16 Jan 2007 10:58:04 GMT</pubDate>
      <guid>https://trid.trb.org/View/796870</guid>
    </item>
    <item>
      <title>Cheyenne III/IIIA</title>
      <link>https://trid.trb.org/View/791656</link>
      <description><![CDATA[Subtitle: Piper's response to the King Air 200 was fast, easy to fly and (eventually) reliable.]]></description>
      <pubDate>Wed, 11 Oct 2006 10:59:21 GMT</pubDate>
      <guid>https://trid.trb.org/View/791656</guid>
    </item>
    <item>
      <title>PIPER CHEYENNE 400LS</title>
      <link>https://trid.trb.org/View/752271</link>
      <description><![CDATA[SUBTITLE: A BIG-MUSCLED TURBOPROP BUILT TO OUT-CLIMB, OUT-RUN AND OUT- RANGE A CITATION I.]]></description>
      <pubDate>Wed, 13 Apr 2005 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/752271</guid>
    </item>
    <item>
      <title>VORTEX GENERATORS BOOST MERIDIAN'S USEFUL LOAD</title>
      <link>https://trid.trb.org/View/606010</link>
      <description><![CDATA[No abstract provided.]]></description>
      <pubDate>Wed, 07 Jan 2004 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/606010</guid>
    </item>
    <item>
      <title>GENERAL AVIATION PILOT PERFORMANCE FOLLOWING UNANNOUNCED IN-FLIGHT LOSS OF VACUUM SYSTEM AND ASSOCIATED INSTRUMENTS IN SIMULATED INSTRUMENT METEOROLOGICAL CONDITIONS</title>
      <link>https://trid.trb.org/View/730401</link>
      <description><![CDATA[Forty-one instrument rated pilots were exposed to an unannounced failure of attitude and heading instrumentation during flight in single-engine general aviation aircraft: 25 in a Piper Archer PA-28 and 16 in a Beechcraft Bonanza A36.  The PA-28 flights consisted of three groups: 1) Group A - a failure of the attitude indicator (AI) and directional gyro (DG), 2) Group B - same as Group A but received 30 minutes of partial-panel instruction in a personal computer based aviation training device (PCATD) prior to the flight, and (3) Group C - same as group A but had a failure-annunciator light (vacuum) on the panel.  The A36 flights consisted of two groups: 1) Group A - a failure of the AI only, 2) Group B - a failure of the AI and the horizontal situation indicator (HSI).  All of the PA-28 pilots maintained control of the aircraft, and 68% of them flew successful partial-panel approaches, and likely would have survived if it had been an actual emergency.  However, 25% of the Bonanza pilots could not maintain control, and the evaluator had to assume control of the aircraft. Use of the PCATD prior to the data flight reduced the time required to recognize a failure while airborne, but there were no other observed differences in performance between the Archer groups.  Recommendations are presented regarding both training and instrumentation.]]></description>
      <pubDate>Wed, 12 Feb 2003 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/730401</guid>
    </item>
    <item>
      <title>NEW PIPER SENECA V: TOUGH BIRD</title>
      <link>https://trid.trb.org/View/623713</link>
      <description><![CDATA[SUBTITLE: A PROVEN DESIGN STILL EARNS ITS KEEP.]]></description>
      <pubDate>Tue, 07 Jan 2003 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/623713</guid>
    </item>
    <item>
      <title>PILOT REPORT: PIPER PA-46-500TP MERIDIAN</title>
      <link>https://trid.trb.org/View/586042</link>
      <description><![CDATA[SUBTITLE: MASTERFULLY ENGINEERED BLEND OF PT6 TURBOPROP POWER AND FAMILIAR MALIBU AIRFRAME IS A FRESH DESIGN.]]></description>
      <pubDate>Fri, 20 Jul 2001 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/586042</guid>
    </item>
    <item>
      <title>PIPER'S MERIDIAN</title>
      <link>https://trid.trb.org/View/586945</link>
      <description><![CDATA[SUBTITLE: IT'S NOT YOUR FATHER'S MALIBU.]]></description>
      <pubDate>Fri, 20 Jul 2001 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/586945</guid>
    </item>
    <item>
      <title>SARATOGA STYLE</title>
      <link>https://trid.trb.org/View/599653</link>
      <description><![CDATA[SUBTITLE: PIPER'S BIG-CABIN RETRACT SPORTS A TWENTY-FIRST CENTURY PANEL.]]></description>
      <pubDate>Thu, 21 Oct 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/599653</guid>
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