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Let's map gift slots

Agent_L

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Agent L
Attention as of August 2016: It seems that since version 4.7 (Android and iOS) it's no longer possible to return gifts from slots which are not available at that moment. The gift gets converted to Fuel(3).

Short introduction for people not yet familiar with slot hypothesis:

- giftable items are organized in "slots"
- every slot has one or more giftable items
- every game instance has all slots
- every game instance has only ONE item assigned from every slot. This is the item you can send.
- when you hit "send in return", you don't send the exact item you received. You send YOUR item from the slot the gift came from.
- not every slot is visible in "gifts/outgoing" at all times
- slot being hidden in "gifts/outgoing" has no effect on using "send in return"


Canonical example on how slots work is the Fuel(20) and Passengers(10) case:
Let's consider 3 people: you, Alice and Bob. You and Alice can send Fuel(20), Bob can send Pax(10). You send Fuel(20) to both Bob and Alice. They both hit "return". You get Fuel(20) from Alice and Pax(10) from Bob.
That means that Bob is fundamentally incapable of sending Fuel(20). He'll always send Pax(10). Exact opposite is true for Alice.

Many slots are visible only under certain circumstances. Good example are 3 slots for building 3 levels of Reserve Hangar:


Slot1​
hangar lvl1 not built

Slot2​
hangar lvl1 built
hangar lvl2 not built

Slot3​
hangar lvl2 built
hangar lvl3 not built
Protective CoverFluorescent LampExit Sign
Wheel BlockLoaderFire Extinguisher

--​
Safety ConeMachine Oil

You can never see all these slots at same time, but you can always return one item per slot.

So here's my first attempt, based on my low-lvl accounts and some people's signatures:
https://docs.google.com/spreadsheet...oyOHh4E1ngDU/pubhtml?gid=36047148&single=true
It's mostly incomplete and obviously has errors - let's make it right!

I think that flight items are the most invariant and should be used as orientation points.
 
Last edited:
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Marios 888
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Marios 888
Unfortunately it is true that you can't return what you get from the neighbor ... I am mention it special for the 20 fuels to return....
Also to building items. Because it would be perfect if you could return and also send what you have in your list...

Anyway I am saying that because I don't have fuel in my gifting list which I think is what people need.
 

Agent_L

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Agent L
@flip123 has done some some work on this in the past.
Unfortunately, she is on a "break" ( but she did build Valentine buildings).

If she read this post, perhaps she can give some input based on her previous investigation.
Everyone can give input. Just post your current outgoing gifts list, verbatim and what level are your key buildings (ones that require items to finish)
 
Agent L,

Here is the list with the level and the items which can be received compiled by Flip123 last year (Jan 2015).

https://www.airportcitygame.com/threads/receiving-gifts-at-a-low-level.6932/

Level 3: Passengers (5), Fuel (3) Facebook
Level 5: Fuel Catalyst
Level 6: Air Conditioner, Computer, Imprinter, ATM, Whiskey, Pearl Earings, Chocolat candy, Skin Care Products
Level 7: Cockpit Glass, Paint, Welder, Generator, Great Shots, Tour review, Album, Travel Guide
Level 8: Landinglamp
Level 9: Radar, Dispatcher Console, Copy machine, Projector, Sandbag, Channel Bar, Handling rope, Rope block, Towel, All incl. Bracelet, DND sign, Disposable Shampoo (hotelitems differ between IOS (lvl9) and Android (lvl6)
Level 10: Pass10, Fuel 20, Powerfull Radio Transmitter, Video Wall, Robot tester, Assembly Robot, Spaceship engine, Laser level.
Level 11: Flight Goggles, Flight Helmet, Textbook, Ruler, Anti-Theft gate, Computer, Pos terminal, Security Camera, Guestbook, Glass Display, Cognac, Eau de toilette, Filled Candies.
Level 12: Fuel Supply, Jet Engine, Aircraft Tire
Level 13: Stapler, Calculator, Whiteboard, Wide-angle Binoculars, Weather Display
Level 14: Fuel Additive, Insulation, Power Source, Drill Machine
Level 15: Optical System, Solar cell, Communication Antenna, Spaceship Launch Console
Level 16: Additional radar, Make-up, White gold bracelet, Perfume
Level 17: Shredder, Ergonomic chair, Cash counter, Amperemeter, Smoke Detector
Level 18: Spare wire, Hull Parts, Lining Plate, Laser Cutter, Stamp, Server Rack
Level 19: Landinggear, Passenger Seat
Level 20: Osc.Beacon, Flight Catering
Level 21: Packaging machine, Defroster, Cooling chamber
Level 22: Navigation Module
Level 23: Archive Box, Master Plan, City Model, Grey Transmitter
Level 24: Fuel Hose
Level 25: Altimeter, Gyroscope
Level 26: Spare Propellor
Level 29: Deicer
Level 31: Offset Gregorian Antenna, Horn Antenna, Vivaldi Antenna, Yagi-Uda Antenna
Level 32: Grinding Machine, TV-Panel, Controller, Air vent filter
Level 33: Office chair, Fax, Mayor’s Portrait, Laptop (Town Hall 7)
Level ??: Parking Meter, Beverage cooler, Wall Speaker, Arch Metal Detector (Terminal 7)
Level 35: Airline Route Map, Headset, Walkie Talkie, Monitor (Control Tower 7)
Level 35: Voip Phone, Intercom, Holographic display, Podium (Town Hall 8)
Level 35: Router, Introscope, Arcade Machine, Smart Glass (Terminal 8)
Level 38: Laser Rangefinder, Demodulator, Fingerprint reader, Stabilized Binoculars (Control Tower 8)
Level 40: Energy Saving Lamp, Postal Drone, 3D Printer, Handdryer (Town Hall 9)
Level 37: Turnstile, Patrol Drone, Floor Washer, Information Sign (Terminal 9)
Level 42: Infra red Camera, Motion Sensor, Coffee Machine, Obseration Drone (Control Tower 9)
Level 41: Wireless Compass, Blanket, Centrifuge, Flatwork Ironer, Dryer, Washing Machine
Level 46: Altitude indicator
Level 45: Flatbed scanner, Paper Cutter, Stitcher, Laminator (Town Hall 10)
Level ??: Currency Detector, Document Detector, Lie Detector, Explosive Detector (Terminal 10)
Level ??: Technical Pen, Protractor, T-square, Drawing Board
 
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Iphone: Jpjpjp999; Ipad: Jpjpjp4; Android: Jpjpjp2
@Bali Hi Thanks! Her goal was quite different than mine, but this will still help.
You can use it.... For each level group the items, for instance:
Level 9:
slot 1: building tower.: Radar, Dispatcher Console, Copy machine, Projector,
Slot 2: airship dock: Sandbag, Channel Bar, Handling rope, Rope block
Slot 3: hotel: Towel, All incl. Bracelet, DND sign, Disposable Shampoo

1 slot for a building within a level, high level players and building guide can help group the items. Basis for my list are the slots.

Good luck
@Bali Hi, sometimes I read :)
 

Agent_L

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Agent L
You can use it.... For each level group the items, for instance:
Level 9:
slot 1: building tower.: Radar, Dispatcher Console, Copy machine, Projector,
Slot 2: airship dock: Sandbag, Channel Bar, Handling rope, Rope block
Slot 3: hotel: Towel, All incl. Bracelet, DND sign, Disposable Shampoo

1 slot for a building within a level, high level players and building guide can help group the items. Basis for my list are the slots.

Good luck
Yeah, I figured it was something like that. Also, your tip about one item in multiple slots cleared up much. Thanks!
 
Yeah, I figured it was something like that. Also, your tip about one item in multiple slots cleared up much. Thanks!
only recently got my head around and understood these slots, but needing energy saving lamps, which nobody in the forum seemed able to gift, used the principle and it worked. This slot guide should be posted as a guide where we can all find it when needed!

Great work.
 

Agent_L

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Agent L
2 slots on l18 (on my backup game is spare wire and stamp). I had current list from level 8-51 (but missing ones which occur later)
I was talking about the "repair base 4" slot, which is highly unlikely to contain 5 items: Lining Plate Hull Parts Laser Cutter Server Rack Stamp. I believe those are 2 slots which rarely appear at once.
 

Kesh

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I was talking about the "repair base 4" slot, which is highly unlikely to contain 5 items: Lining Plate Hull Parts Laser Cutter Server Rack Stamp. I believe those are 2 slots which rarely appear at once.
server rack and stamp are not repair base item - they are for terminal/town hall/tower - on my backup game i don't have opened slot for repair base level 4 - so level 18 have 3 slots. According to wiki server rack and stam are together only as requirement for terminal level 4 (together with cash counter and shredder)
 

Agent_L

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Agent L
server rack and stamp are not repair base item - they are for terminal/town hall/tower - on my backup game i don't have opened slot for repair base level 4 - so level 18 have 3 slots. According to wiki server rack and stam are together only as requirement for terminal level 4 (together with cash counter and shredder)
So, how do you think are they divided?
Note that there is a slot at lvl17 which already seems to be tower4, term4 or them both.
 
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