I have a flow chart, one sec.
(grumble--digs out 30 pound binder of lesson plans...)
Here we go.
Here is the standard decision tree WITHOUT a MEL.
During the preflight inspection the pilot recognizes inop instruments or equipment
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Is the equipment requried by the a.c's equipment list or the kinds of equipment list? FAR 91.213(d)(2)(ii)? (Marked required in the POH)
---> if YES unairworthy call mx
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if NO is the equipment required by the VFR Day Type certificate reqs of FAR 91.213(d)(2)ii? (DAY VFR Regs)
---> if YES unairworthy call mx
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if NO is the equipment requried by and AD?
FAR 91.213(d)(2)(iv)
---> if YES unairworthy call mx
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if NO is the equipment requried by FAR 91.205, (IFR min equipment reqs) 91.207 etc FAR 91.213(d)(2)iii) (IFR REGS)
---> if YES unairworthy call mx
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If NO the inop equipement must be removed from the a.c (far 91.213(d)(3)(i) OR deactivated far 91.213(d)(3)(ii) AND placarded as INOP
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v
Go fly.
Basically its a filter--if you can get to the bottom you can fly provided you remove it or deactivate it and placard it.
Now, with a MEL put an additional filter at the top of the stack...
During the preflight inpsection the pilot recognizes inop instruments or equipment
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The Pilot checks aircrat's MEL (see example MEL below)
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Is the inop equipment in the MEL?
---> if YES do what the MEL says and go fly.
if NO...
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(repeat above)
Is the equipment requried by the a.c's equipment list or the kinds of equipment list? FAR 91.213(d)(2)(ii)? (See POH)
---> if YES unairworthy call mx
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if NO is the equipment required by the VFR Day Type certificate reqs of FAR 91.213(d)(2)ii? (VFR required equipment)
---> if YES unairworthy call mx
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if NO is the equipment requried by and AD?
FAR 91.213(d)(2)(iv)
---> if YES unairworthy call mx
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if NO is the equipment requried by FAR 91.205, (IFR min equipment reqs) 91.207 etc FAR 91.213(d)(2)iii) (IFR Required equipment)
---> if YES unairworthy call mx
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If NO the inop equipment must be removed from the a.c (far 91.213(d)(3)(i) OR deactivated far 91.213(d)(3)(ii) AND placarded as INOP
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v
Go fly.
Here is a pic of an MEL I use with my students:
Say your flight schools/fbo's resident 737-100 has an inop thrust reverser....
well, you go to the MEL, find the entry on the left and side and do what it says on the right hand side--then go fly.
If the equipment is not on the left hand side anywhere in the MEL, then follow the decision tree for your flight.
cordially,
b