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Clarifications on Takeoff Minimums, Obstacle Departure Procedures

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Instrument Rating

The Titusville, FL Takeoff Minimums, Obstacle Departure Procedure states:

Takeoff Minimums: RWY 15, 400 2-1/4 or std. w/min climb rate of 350’ per NM to 700 (Takeoff Minimums  at many other airports are structured in a similar way).

What is the concept behind this? Is a visual climb in 400 2-1/4 conditions considered equivalent to a climb with standard minimums (1 mile visibility in a single or twin engine airplane) with min. climb rate of 350’ per NM to 700?  And why?

Also, I understand that ODPs can be graphic or textual, but I have never seen a graphic ODP. Are they very rare?

Thanks

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3 Answers



  1. Ron Klutts on Jan 14, 2017

    The conditions were of 400 and 2-1/4 allow you to see the obstacles and maneuver around it as you don’t have the climb gradient to clear it. If you can climb fast enough than you can clear it in time and don’t have to dodge it.

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  2. Russ Roslewski on Jan 14, 2017

    You haven’t seen a graphic ODP because you live in Florida! (presumably) 🙂

    ODPs are charted graphically only if they’re too complicated for words. And that only happens when you have a lot of obstacles, like in the mountains.

    ODPs look a lot like SIDS, except they have (OBSTACLE) in the title. Look up KMTJ or KGJT for just a couple examples.

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  3. Charles22 on Jan 14, 2017

    Thanks Ron and Russ.

    I actually live in Texas, but there are no mountains here either…. unless you travel to West Texas and Big Bend.

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