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Questions tagged [takeoff-minimums]

For questions about IFR takeoff minimums, which describe visibility or RVR minima required for takeoff.

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12 votes
5 answers
4k views

Why wouldn't a plane start its take-off run from the very beginning of the runway to keep the option to utilize the full runway if necessary?

I was just watching BSL/LFSB on Flightradar24 and noticed that flight W67772 didn't start its take-off run from the end of the runway. Wouldn't it make sense to start every take-off from the end to ...
Canned Meat Lover's user avatar
8 votes
1 answer
880 views

While only RL will be sufficient at night for the aircraft to take off, both RL and RCLM are required to take off during the day. Isn't it illogical?

While only Runway Lights (RL) will be sufficient at night for the aircraft to take off, both RL and Runway Centre Line Markings (RCLM) are required to take off during the day. Isn't it illogical? The ...
pilot162's user avatar
  • 1,738
0 votes
0 answers
42 views

Although the limit value for TDZ, MID and RO is written only once in one chart, it is written separately for all of them in another chart, why?

Although the limit value for TDZ, MID and RO is written only once (RVR125m, RVR150m) in one chart, it is written separately for all of them in another chart (TDZ R125m Mid R125m Rollout R125m, TDZ ...
pilot162's user avatar
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0 votes
0 answers
44 views

Does giving all 3 RVR values mean that all 3 transmissometers (TDZ, MID, RO) values must meet the minimum limit for take-off possibility?

Does giving all 3 RVR values mean that all 3 transmissometers (TDZ, MID, RO) values must meet the minimum limit for take-off possibility? Is that the reason why the phrase "relevant RVR" is ...
pilot162's user avatar
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1 vote
0 answers
59 views

Which transmissometer measures the RVR value specified in the takeoff limits section? TDZ? MID? Or Rollout?

Which transmissometer measures the RVR value specified in the takeoff limits section? TDZ? MID? Or Rollout (RO)? If there are 3 transmissometers for the runway at an airport, which transmissometer ...
pilot162's user avatar
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1 vote
0 answers
58 views

Although 2 RVR device symbols are given in the airport planview, there are 3 RVRs (TDZ,MID,RO) in the takeoff limits section. How is this possible?

Although 2 RVR device symbols are given in the airport planview, it is written in the takeoff minimums section that all 3 RVR values (TDZ, Mid, Rollout) must be provided for the departure limits. MID ...
pilot162's user avatar
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3 votes
2 answers
2k views

What are the weather minimums in order to take off under IFR conditions?

I've heard different answers for what limits if you can take off IFR from an airfield. I've heard that you have to be restricted to the lowest compatible mins on an instrument approach field and I've ...
Josh Aristotle's user avatar
6 votes
1 answer
1k views

What does "/" (slash) mean in the picture below?

What does the slash mark between R/V mean? Should both RVR and visibility be at least 400m, or should only one of the two values be at least 400m (ie the other could be lower)? If summarized to ...
pilot162's user avatar
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