Questions tagged [flight-planning]

Flight planning is the process of preparing for a flight: planning a route to fly, identifying alternate destinations in case of diversion, calculating required fuel, ensuring the aircraft will not be not overloaded and so on.

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517 views

Why is fuel quantity expressed in flight hours [duplicate]

Going through a few aircraft documentaries online, I've noticed the thing that they usually express the fuel quantity in flight hours. Ex - A 747 burns 4 litres of fuel every second. So with a ton of ...
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1answer
85 views

How are thermals mapped in real-time?

Related to "How thermals are found" this question about "Gliding your plane to save fuel" details how to use thermals to save fuel. To use thermals to maximize range, can thermals ...
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72 views

Difference between Flight path and Route [closed]

What is the Difference between a Route and Flight path
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1answer
226 views

Why are some airports not allowed as IFR alternates, even if conditions there are VFR?

Why are some airports disqualified for use as an alternate (as listed in a approach procedure for that airport (A N/A)), when there is a provision in part 91 that an airport without an instrument ...
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2answers
113 views

What is the difference between “Standard Metric Level” and “Altitude” in ICAO flight plans?

What is the difference between "S" and "M" in flight plan altitudes? The FAA's ICAO flight plan documentation says: Standard Metric Level in tens of meters, expressed as S followed by 4 figures (...
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60 views

Why do planes generally curve north and not south? [duplicate]

I know that the shortest distance on a sphere is a curve and not a straight line, so that's why planes curve when they fly. But why is that planes curve north and not south? For example, when if I hop ...
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2answers
64 views

When do pilots use NOTAMs? [duplicate]

Usually, pilots will check NOTAMs during pre-flight prep. Are there some situations where they use them in a specific flight phase? If yes, in which case would it be useful? Thank you
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1answer
60 views

What is the difference between company routes and pilot routes?

I was trying to find out what are the different route types(flight management system) and found out there is one company route and one pilot route . Are there more different route types ?.What is the ...
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2answers
88 views

Is it possible to celebrate a holiday twice by flying from one point on Earth to another? [closed]

It recently came to my attention that the different time zones on Earth could allow for a person to celebrate holidays such as New Years twice by flying from one point to another. Is it possible to ...
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60 views

Zig Zag pattern [duplicate]

H Hi everyone, has anyone ever seen such a flight pattern ? This plane is doing that every day on different parts of the country (private plane) and I've never seen such a flight pattern before. Any ...
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78 views

What factors/equation(s) are used to relate aircraft weights and cruise speeds?

With the recent coronavirus issues, there have been lots of empty seats flying around, especially on long haul flights. I checked the seat map for a recent SFO-SYD flight (777-300) and there were 224 ...
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2answers
154 views

Are intersection takeoffs less common in the USA than in other countries?

On a recent trip through Australia I did a number of intra-oz flights. In at least three of the cases we performed intersection takeoffs, a couple at MEL/YMML and one at BNE/YBBN. I have at least a ...
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1answer
267 views

How to best navigate around and land at KPAO (Palo Alto, CA)?

Flying VFR into KPAO from the South for the first time in a Cherokee. Any advice on the best way to navigate KSJC and the SFO Bravo? Thanks.
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139 views

How should airline pilots find out about military activity along their route?

What sources of information should a commercial pilot review before takeoff to become aware of military activity that might pose a risk to their flight?
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2answers
130 views

How do Flight Test Engineers plan and execute sortie profiles?

Can someone from the field explain with a simple example the process of planning and executing a sortie profile as an FTE. Any reference books for an insight into the subject would be appreciated.
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2k views

Can a IFR flight plan be amended or cancelled whilst in flight?

I'm asking, because ForeFlight states in their demo training video that an IFR filed flight plans can only be amended or cancelled up to 47 minutes prior to it being filed (and up to 2 hours after, ...
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194 views

What regulations apply to a VFR flight from South Africa to Namibia?

I just would like to know what kind of flight plan, permissions, en route airway paths and other factors that need to be considered? Other than the passport, PPL license and aircraft documentation ...
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1answer
689 views

What is the maximum number of waypoints one can have in a flight plan?

Is there any constraint on how many waypoints may be in a flight plan (any regulation), including pilot defined waypoints?
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3answers
222 views

How do humanitarian flights arrange special permissions to fly when ATC isn't available?

In natural disasters, transportation infrastructure is often among the first and most critical of public services to be disrupted. Not coincidentally, it's also a time that tends to see small airports ...
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1answer
251 views

How is the Flight Plan Data transferred into an aircraft/plane?

I know that pilots have to fill the ICAO standard flight plan and send it to the relevant CAA to be checked, updated if needed and finally approved before the flight takes off. what I am looking for ...
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1answer
88 views

What is the T and the I in dispatcher language?

From October 2019 ASRS CALLBACK, a captain told a story when the dispatcher told me, “All the ‘T’s had been crossed, and all the ‘I’s had been dotted: everything has been done the right way, ...
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1answer
324 views

What is the meaning of these Lido abbreviations?

Can someone help with the abbreviations and meaning from Lido flight planning: RCONT 5 MIN HLDDST ADDT For each of these abbreviations, the flight plan has fuel and time: I placed a red rectangle ...
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7k views

How can I find places to store/land a private airplane?

Say I'm the proud new owner of a Cessna 172. To celebrate, I want to fly my family from Texas to Orlando Florida for a weekend visit. Local takeoff is easy enough. I live close by, and I know the ...
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1answer
76 views

On the ICAO Flight Plan Form, does /S replace O, V, and L?

I know the S stands for standard equipment (VOR, ILS, VHF radio). Is the format like G/S (GPS with standard equipment), or does the /S not imply coverage of the other line items, i.e., VLGO/S?
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1answer
139 views

How is the transfer of an aircraft managed when it landed at a different airport than the scheduled one?

The question came to me when my flight could not land at the scheduled airport because of fog. We landed in a nearby city (Turin instead of Milan). Is the aircraft transfered without passengers ...
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33 views

Where to find the enroute flight plan amendments?

On the flightaware there is "decode section" of the flightplan and also there is a dashed blue line which consists all the amendments made enroute (of course points from decoded flight plan differ ...
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1answer
270 views

May a Cessna 182 land on a major, high-traffic airport, say EDDF (Frankfurt)?

Some 30 years ago a family's friend owned a TR-182 Skylane (Turbo, retractable gear) and we sometimes flew around here in the Rhine-Main area around Frankfurt. Of course he used EDFE (Egelsbach) for ...
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220 views

What's the relation between speed of an aircraft and takeoff distance?

I'm making a tool that when given : weight of aircraft , takeoff speed , runway length and some other parameters , it analysis the takeoff performance and states whether using the brakes now is safe ...
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1answer
141 views

What is the procedure to fill/send/approve a flight plan to the ATS network from outside?

We are planning to develop an app that allows general pilots to fill/send a flight plan to the ATS. We're wondering to know if it is needed to have a regular access (register access or account) to the ...
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2answers
531 views

What is the best way to navigate a storm?

Let me say I had no choice other than fly through a storm I'm on a one way mission to airdrop a vital cure to an isolated area. I can't turn around, land or go around, I have to go through. Going ...
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2answers
229 views

Are paper charts required for flights outside the USA?

Can international flights by a US operator be performed paperless or do you need complete paper charts?
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111 views

Is it common practice to omit some points in an airway?

An airline filed the following flight plan: [...] IRK.J96.SLN..LANCY.J134.PKE [...] The cruise altitude was around 30k feet. Waypoints in J96 are: ...
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103 views

where can i get a aviation map of korea with the moes, and highways and vectors [closed]

ive been searching for a aviation map of South Korea and cant find anyone that sells it. does anyone know where I can find one for flight planning
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186 views

Can a Skylane fly without electricity?

Some Hobbs Meters uses master electricity switch to keep the track of time. So what If an cheapskate Skylane pilot wants to fly without electricity to lessen rent? Which main six instruments would ...
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1answer
107 views

Is the “auto-routing” created by online flight planning resources preferred by ATC over Direct routing when NO preferred route exists?

I noticed that when I use online flight planning resources, they provide an "auto-routing" option for my flight. I also noticed that they are the same between both services so it seems like both are ...
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2answers
291 views

Is it ever allowed to list your destination airport as the IFR alternate too?

Is it legal (in certain conditions) to have your primary airport of intended landing, also listed as the alternate?
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2answers
2k views

What ISA temperature to use in the density altitude calculation?

In the density altitude formula: DA = PA + [120 x (OAT - ISA Temp.)], should one use the ISA temperature at the field elevation or the ISA temperature at the pressure altitude?
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1answer
384 views

To use the equipment suffix “G”, does the GPS have to be certified for IFR?

To use the equipment suffix "G", does the GPS have to be certified for IFR flight?
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2answers
137 views

Flight plan departure procedures vs real life departure procedures

In the flight plans there are included departure procedures. However, sometimes something can change eg. different runway is assigned by ATC and then departure procedures in the flight plan is invalid,...
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1answer
130 views

Why does FAA not include certain SIDs and STARs in its CIFP file, even though they are regularly used in flight planning?

I was correlating the instrument flight procedures found in flight plans from 1st April 2019 with the ones included in FAA's CIFP database. I noticed that in those flight plans there are some SIDs and ...
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0answers
32 views

What is the name of the format of route with the dots? Eg. DTW..LAYNE.DXO006 (…)

I found in our data a route formatted with dots instead of spaces and DCTs. Example: DTW..LAYNE.DXO006.BNNET.YQG341.DIRKS.J38.GRB/0052 What is the name of this format? Second question: Sometimes ...
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3answers
274 views

Why would a flight take a detour on clean weather?

I was in a flight recently (march 22nd) from SBCF to SBGR (Brazil). It's usually a 1h10m flight, but mine took roughly 20 minutes more. I saw the flight path in FlightAware and there's an unexpected (...
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2answers
6k views

Is the destination of a commercial flight important for the pilot?

As has been recently advertised (in here, here, here also), a recent British Airways flight from London City Airport destined for Düsseldorf mistakenly flew its passengers to Edinburgh instead. I'm a ...
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1answer
649 views

Why was Air India flight AI101 diverted to SHJ 5 times in the past few days?

Air India flight AI101 using a 777-300ER on multiple westbound and eastbound routes was diverted to SHJ airport in Sharjah, UAE. I am curious if there is a specific reason. It cannot be a coincidence ...
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1answer
205 views

What does the orange colored text in a SkyVector route indicate?

If you use a pre-made route in skyvector.com, sometimes there will be orange text. For example: from KIAD to KTPA with default cruise settings, the second route in the list will have DADES6 in orange....
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1answer
343 views

How to file flight plan with ZZZZ?

Wikipedia mentions, ZZZZ is a pseudo-code, used in flight plans for aerodromes with no ICAO code assigned. How pilot actually file this flight plan? Is there anything special to do when file for ...
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2answers
200 views

How is data exchanged between Eurocontrol and FAA?

Let's say I want to fly from Europe to USA. Then (probably): I'm filling flight plan message(FPS) and it goes to Eurocontrol system. It is somehow transmitted to FAA. How?
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1answer
118 views

Can active flight plan be sent for the aircraft in the air? [closed]

We are processing some aviation data and I wonder if it is possible that flight plan message can be sent for an active flight (aircraft in the air)? In the documentation we have the sentence: "...
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1answer
375 views

Which airspace requires what RNP?

How do I know which airspace requires what RNP value? More specifically, can I go from NY to London with just BRNAV providing I stay above the NAT HLA?
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1answer
2k views

What is the definition of mountainous area?

MEA, MORA, grid MORA, and MOCA for a non-mountainous area gives 1,000 ft clearance from the highest obstacle, and in mountainous area gives 2,000 ft clearance from the highest obstacle. But what is ...

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