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.

Filter by
Sorted by
Tagged with
83
votes
1answer
10k views

Why did this FedEx flight (FDX1311) take such an indirect route multiple times?

I was looking at flights from DEN -> MEM, and saw this extra-long route that FDX1311 took last night (9 Aug 2021) Thinking they were probably just avoiding storms, I scrolled down and saw there ...
0
votes
0answers
32 views

All approaches at airport NA for Alternate planning. Does that mean the same as Airport NA for Alternate if VFR landing is planned?

Jeppesen will use the term "NA" in the "For Filing as Alternate" table if all the available approaches at the given airport are not available. For FAA charts, a pilot will know ...
4
votes
1answer
454 views

Where is the V3 airway mentioned on the ILS 34 approach plate for KPSM?

While drafting a simple flight plan for KBOS to KPSM, I noticed that the ILS 34 Approach plate for KPSM mentioned that the procedure turn is "NA for arrivals at PSM VOR/DME on V3 northbound":...
6
votes
2answers
275 views

What sort of briefing and planning information would an airline pilot in the 1960-70s have used?

Slightly related: Do airliners get substantially different weather briefings from the rest of us? Highly related: How was the navigation managed on jetliners before having programmable routes? Highly ...
1
vote
1answer
120 views

How do I read this flight plan route?

When I create a flight plan using SimBrief, for example for London Gatwick (EGKK) to Dublin Airport (EIDW), it generates the following route: ...
6
votes
3answers
749 views

Why did my transatlantic flight meander off the great circle?

I recently flew commercial to Scotland and was tracking our progress on my iPad using Foreflight. I made a direct-to line that followed the great circle route, but noticed that we meandered off of it ...
7
votes
1answer
109 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 with spaces and DCTs. Example: DTW..LAYNE.DXO006.BNNET.YQG341.DIRKS.J38.GRB/0052 What is the name of ...
0
votes
2answers
185 views

Is it possible to file for a flight level ABOVE an Airway altitude limitation (for high en route airways)?

I'm just curious if it's ever possible to file for, and/or fly, an altitude that is above an airway restriction. Say if the airway has an altitude restriction of FL410 or less. Is it ever possible to ...
4
votes
1answer
464 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 ...
2
votes
1answer
86 views

What are the ICAO RNAV equipment codes for the non-WAAS G1000 and GNS 430W?

When filing an ICAO IFR flight plan, where in "the manual" (which manual?) for a G1000 and a GNS430 do I find the RNAV capability information for an ICAO flight plan? What am I looking for?
1
vote
1answer
4k views

What are the ICAO equipment codes for those Garmin units? [closed]

What are the ICAO equipment codes for those Garmin units? Garmin G500 / 750 / 650 WAAS navigators?
20
votes
6answers
40k views

What is the difference between Best Rate of Climb and Maximum Rate of Climb?

Is there a difference between Best Rate of Climb and Maximum Rate of Climb? From my research, best rate of climb trades ground distance for altitude (i.e. steeper climb, more altitude per unit time)...
8
votes
2answers
1k views

Does an IFR flight-plan include the approach?

I tried to create an IFR flight plan (at simbrief.com) and there is something I don't get: Are we supposed to know the runway/approach at the destination airport before taking-off, and add it to the ...
1
vote
1answer
108 views
3
votes
2answers
226 views

What documents/procedures I have to follow to fly my aircraft from the UK to Norway?

I'm planning a trip to Norway for when Covid restrictions here in the UK are lifted, and was wondering what documentation is needed to enter Norway. I've already emailed AVINOR, and they simply gave ...
2
votes
3answers
1k views

What is supposed to prevent a commercial crew from flying to the wrong airport?

Context Obviously: Crews are skilled and well trained. In a crew of two, one can fix others confusion. There is a flight plan, ATC can inform of a deviation. GNSS / ILS / VOR / DME frequencies and ...
7
votes
2answers
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, ...
1
vote
2answers
2k views

Can a pilot amend a flight plan in-flight?

Which information pilot can change in-flight? For example: Altitude. Ask to climb higher? V to Z. VFR rules to IFR (VFR to IFR)?
12
votes
3answers
1k views

How is flight planning performed with short turnaround times?

For low cost carrier short-haul flight such as Dortmund-London I have experienced multiple times that turnaround times are around 20-25 minutes. In such a short time what is included in the flight ...
4
votes
2answers
209 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 ...
5
votes
2answers
724 views

When filing a VFR Flight Plan, where/how do you include intent to use a Class B transition?

When intending to use a VFR transition route through Class B airspace, do you put the intended route on the flight plan, the alternate route (if you don't get clearance for some reason), or both? ...
7
votes
2answers
2k views

If an airliner turns back midway, how is the route planned?

There's several incidents of "flights to nowhere", e.g. https://onemileatatime.com/klm-787-nine-hour-flight-to-nowhere/ After a pilot decides to turn back, how is this handled from a routing/...
1
vote
1answer
98 views

How to get an accurate time of arrival to the en-route alternate airport during flight planning?

I was thinking about accurate criteria of selecting en-route alternate (ERA) weather from ground (planning stage) especially for ERA 3% contingency flight plan. As we all know we should care about one ...
4
votes
1answer
479 views

Will Lockheed Martin Flight Services send me ACAS, EasyActivate™, and other text messages if I file my flight plan through ForeFlight Mobile?

ForeFlight Mobile users who file flight plans without being authenticated to CSC DUATS will effectively file through Lockheed Martin Flight Services (LMFS). Considering that the LMFS route does not ...
9
votes
2answers
531 views

Does the FAA or FSS check or authorise IFR flight plans?

There is an existing question about VFR flight plans the answers to which suggest that FSS dont check these and the main purpose of filing GA VFR flight plans is to aid subsequent S&R efforts. ...
0
votes
1answer
199 views

How does an airline decide when to cancel a long haul flight permanently?

BROAD QUESTION WARNING: Obviously the airlines cancel the routes because they are not making money, but would that not have been factored in when they start a route? For example, the current SFO-BLR ...
8
votes
1answer
200 views

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 ...
0
votes
2answers
261 views

What is an Air-Filed Flight Plan? Are aircraft capable of filing flight plan when in flight?

ICAO Doc 4444 mentions to input AFIL in the departure field of flight plan if it has been filed in the air. What is an Air-Filed flight plan? Can aircraft crew file a flight plan in-flight? If yes ...
8
votes
2answers
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 ...
2
votes
1answer
529 views

Does filing a flight plan with Garmin Pilot activate ACAS and SE-SAR for my inReach?

I have my aircraft set up with a Garmin inReach for ACAS and SE-SAR on 1800wxbrief.com. If I file using the Garmin Pilot app, will the inReach ACAS and SE-SAR work or only if I file on the 1800wxbrief....
2
votes
1answer
124 views

How do you avoid power of 10 or order of magnitude errors when using an E6B calculator?

I am currently working through Gleim's instructions for using their E6B calculator. It says: "The numbers on the inner and outer scales represent multiple sof 10 of the values shown." And &...
8
votes
2answers
616 views

Is a "GPS required" ILS (or other navaid-based) approach considered a "GPS approach" for alternate planning's sake when TSO-C129/196 gear is in use?

If you have TSO-C129/TSO-C196 GPS gear (vs TSO-C145/146 WAAS/SBAS gear), you either have to have a non-GPS approach at your destination, or a non-GPS approach at your alternate. If your choices are ...
0
votes
1answer
236 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 ...
0
votes
1answer
102 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?
4
votes
2answers
426 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 ...
1
vote
1answer
136 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?
19
votes
3answers
20k views

Why the number 6 in P6SM in a METAR/TAF?

A typical METAR or TAF reads something like this: VRB04KT P6SM SCT025 BKN040 OVC060 P6SM means "greater than 6 statute miles ...
3
votes
1answer
1k views

What are the mandatory elements of an ICAO flightplan?

I need to write a software parser for ICAO flightplans, and in particular I need to parse FPL messages. What are the mandatory elements included in a flightplan document? For example the image below ...
0
votes
1answer
147 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: ...
5
votes
5answers
564 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 ...
1
vote
1answer
116 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 ...
0
votes
1answer
131 views

Difference between Flight path and Route [closed]

What is the Difference between a Route and Flight path
12
votes
3answers
548 views

Are there benefits to opening a flight plan if I'm flying over populated areas?

Here in Idaho we have a lot of mountains and desert areas where if I had to make an emergency landing or crashed it may take a very long time to find me. In that case I can see the benefit to opening ...
3
votes
2answers
420 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 (...
0
votes
0answers
75 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 ...
7
votes
2answers
5k views

What is the actual range of ICON A5?

Does anyone currently own or have experience flying an ICON A5 aircraft? They claim a range of 300 NM (555.6 km). I would like to know whether this is a theoretical calculated range, or a true/actual ...
4
votes
2answers
207 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?
1
vote
2answers
70 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
0
votes
1answer
127 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 ...
17
votes
5answers
33k views

What is a rule of thumb for when to begin a descent?

What rule of thumb would you use for your airplane insofar as how far from your destination you would begin your descent given an expected straight-in approach and landing in no-wind conditions and no ...

1
2 3 4 5 6