Ifr Question...
#5
Part 91 does not require any takeoff mins under IFR. Legally you can take off in zero/zero. There is a line between being legal and common sense. As a good rule of thumb, if the ceiling and visibility are lower than the minimums published in an instrument approach back into your departure airport then it's probably not a good idea to take off right away. 91.175(f)
Part 135 says that you cannot takeoff under IFR from an airport where weather conditions are at or above takeoff minimums but are below authorized IFR landing minimums unless there is an alternate airport within 1 hour's flying time of the departure airport. 135.217
Part 135 says that you cannot takeoff under IFR from an airport where weather conditions are at or above takeoff minimums but are below authorized IFR landing minimums unless there is an alternate airport within 1 hour's flying time of the departure airport. 135.217
#6
As I recall, our procedures required a takeoff alternate if the wx was below Cat I, allowing for the loss of an engine. (Single-engine coupled approaches weren't authorized.) That was a "gotcha" on almost every recurrent simulator check. Interestingly, an instructor said that the MD-88 was quite capable of such an approach, but Delta didn't "buy the certification" for it.
#8
Prime Minister/Moderator

Joined: Jan 2006
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From: Engines Turn or People Swim
#9
My CFII checkride is this Friday, no worries. This question came up yesterday when I was flying this approach in a Frasca 242 sim.
Why is there a "3200" and a "3300" listed for the glideslop intercept altitude? Which do you use, and why are their two altitudes listed here? It is the same on the Jeppesen approach plate I was using.
Thanks in advance
Here is the link: http://edj.net/cgi-bin/echoplate.pl?...ALW_i_lr20.gif
Why is there a "3200" and a "3300" listed for the glideslop intercept altitude? Which do you use, and why are their two altitudes listed here? It is the same on the Jeppesen approach plate I was using.
Thanks in advance
Here is the link: http://edj.net/cgi-bin/echoplate.pl?...ALW_i_lr20.gif
#10
Gets Weekends Off
Joined: Oct 2005
Posts: 955
Likes: 0
From: 737 Right
Been a while since I've looked at NOS plates (and I don't have the Jepps for WA), but here's what I think: 3300 is the GS intercept altitude, as shown by the lightening bolt. 3200 is the minimum altitude for that segment when not using the GS (as shown by the *LOC only notation).
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