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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1answer
119 views

How to calculate Night Flight time for a given flight? [duplicate]

I am currently working on a project (web app) at university to be able to calculate the amount of time spent during night flying. Currently, I have, Departure Lat and Long and Departure Time in UTC ...
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1answer
68 views

What is the difference between a navigation database and an airport mapping database?

What is the difference between "navigation database" and "airport mapping database"? Are those both required by flight management software for flight planning?
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2answers
274 views

Do aircraft weigh less on an eastward flight than a westward flight, due to the Eötvös effect?

Aircraft speed is added to earth rotational speed when flying to the east, centrifugal force is increased compared to a westward flight. That means the aircraft weight is reduced = smaller lift, means ...
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117 views

Why westward flight takes longer time? [duplicate]

• Why fly from east to west takes longer time then flight form west to east and does this apply to both hemisphere?
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Can you change airways when they cross without a named fix?

There are a few victor airways that cross without a named fix, just two solid lines drawn over each other on the IFR low charts. Can these be used as intersections for changing airways in IFR route ...
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1answer
40 views

What is the difference between the WSUSnn IDs used in convective SIGMETs?

When NOAA issues a convective SIGMET, it falls under one of three bulletin IDs: WSUS31, WSUS32, or WSUS33. Below are three examples from the current forecast. WSUS31: ...
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5answers
544 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
92 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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1answer
82 views

Difference between Flight path and Route [closed]

What is the Difference between a Route and Flight path
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1answer
240 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
165 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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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
67 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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70 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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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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66 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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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
162 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
282 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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144 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
136 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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201 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
714 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
231 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
265 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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91 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
394 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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4answers
8k 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
79 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
140 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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1answer
279 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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3answers
227 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
147 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
567 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
241 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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112 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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105 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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206 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
109 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
304 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
3k 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
408 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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141 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
141 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
285 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
652 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
211 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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