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From: kallis@pen.DEC
Newsgroups: net.aviation
Subject: Substitute altimeters
Message-ID: <1701@decwrl.UUCP>
Date: Wed, 17-Apr-85 11:04:56 EST
Article-I.D.: decwrl.1701
Posted: Wed Apr 17 11:04:56 1985
Date-Received: Sat, 20-Apr-85 06:43:37 EST
Sender: daemon@decwrl.UUCP
Organization: DEC Engineering Network
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1)  On blind encoders -- they're okay, I guess, but an encoding altimeter
    can cost almost as little.  When I thought that virtually everything
    on the East Coast was going to metamorphize into TCAs, I added an
    encoding altimeter to my instrument panel and retained the old one
    as a backup.

2)  From places like Edmund Scientific, you can pick up pretty accurate
    posket altimeters that you can throw into your flight bag.  I got
    a German-manufactured one that retailed for about $50 that's fairly
    accurate (I've checked it against my two while aloft at various
    altitudes).  They're also fun to take on commercial flights to see
    whether the crew's adhering to the FARs on pressurization.

Steve