Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Thu, 10 Jun 2004 11:28:47 -0400 Message-ID: X-Original-Return-Path: Received: from [209.218.83.70] (HELO utahweb.com) by logan.com (CommuniGate Pro SMTP 4.2b5) with ESMTP id 147345 for lml@lancaironline.net; Thu, 10 Jun 2004 11:19:18 -0400 Received: from utahweb.com [67.106.48.120] by utahweb.com with ESMTP (SMTPD32-8.05) id AAD28590118; Thu, 10 Jun 2004 09:14:26 -0600 X-Original-Message-ID: <40C676FA.9010808@utahweb.com> X-Original-Date: Tue, 08 Jun 2004 20:33:30 -0600 From: C & A Keller User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 X-Original-To: Lancair Mail List Subject: Plugged Pitot Tube Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Note: This E-mail was scanned by Declude JunkMail (www.declude.com) for spam. Gary Casey wrote: >>... now I find out that if the pitot tube is plugged BOTH the airspeed indicator and the AOA are rendered useless and there is accident data to prove it. In fact, the failure mode is the worst - the airspeed reads zero and the AOA says "stall," each reinforcing the false information from the other.<< It would seem to take but a trivial effort to put a "No Pitot Pressure" or "Low Pitot Pressure" warning light on the AOA. It would give an indication on the ground, and correctly so, but if it does not disappear during the takeoff run you would know there is trouble afoot. Charles Keller --- [This E-mail scanned for viruses by Utahweb]