From: utzoo!decvax!harpo!ihnp4!ihuxa!cfiaime Newsgroups: net.aviation Title: Re: Losing vacuum pump in IFR Article-I.D.: ihuxa.170 Posted: Mon Jan 3 11:25:13 1983 Received: Tue Jan 4 02:13:04 1983 References: watcgl.85 The next question is: what happens if the vacuum pump is ok, but the associated plumbing is broken (I have seen it happen)? You still need to stay current on partial panel IFR. Also, instead of an electric vacuum pump, why not install a two-inch backup electric horizon? It should be about the same cost and the redundency of an entirely different power source would be nice. Jeff Williams BTL - Indian Hill