Runway

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Runway
Arrival and departure runways.
Information
Procured?	No
Required?	Yes

The runway is how planes will land and take off.

Runway Basics

The runway is an airport's most integral aircraft infrastructure part as it is the structure that allows for aircraft to land and take off. Runways are placed down as single objects and can be constructed with up to 25 contractors and require 20000 construction energy.

Takeoff and Landing

Aircraft that land on the runway will proceed onto to the taxiway and into an available stall, following taxiway nodes. In order for aircraft to depart, a runway entrance is required, which can be placed by going into the aircraft infrastructure and clicking on the button showing a runway with arrows pointing in and out (you can find more on this below). When departing, aircraft will wait at this entrance until the runway is clear for them to enter.

The direction in which aircraft takeoff and land is determined by the direction of the wind, which is not currently visible to the player. Because of this, it may be advantageous to include multiple entrances, so that the aircraft will automatically take the shorter path, rather than taxiing across the entire runway to turn around and take off.

Runway Variations

Runways can have three different foundations: Grass, asphalt and concrete. By default, small runways are constructed with a grass foundation but can later be upgraded to asphalt or concrete. While small-sized aircraft can land on a grass runway foundation, medium sized aircraft require an asphalt runway foundation. As of Alpha 33, runways cannot be extended. Instead, 3 differently sized runways are available: Small, Medium, and Large, which allow airplanes of corresponding size to land at them. Because smaller planes can use larger runways, medium and large runways are recommended to have multiple entrances to allow smaller planes to use less runway, saving time.

The Runway Panel

Clicking on a runway opens the runway panel. The runway panel consists of runway information. The left side of the panel shows the runway information. It shows it’s open/close status, operational costs per day, length, and flights in pattern. The right side of the panel shows toggles to change its operations mode (departures, arrivals, or both) and allowed aircraft types (small aircraft, medium aircraft, large aircraft (Added in alpha 33), general aviation and commercial flights). The top right of the panel has an input field for the runway’s name, open/close option, upgrades, repair, and demolish.

Runway Entry/Exit

Runway entry and exits are attached to the the runway and are required at each end of the runway. They will allow aircraft to enter and exit the runway in a safe manner. They come in grass, asphalt, and concrete types, although only asphalt and concrete have angled variants. For medium and large runways, it is recommended to place these at entry points along the runway for smaller aircraft, so that they don't use up as much runway.

Upgrades

The following upgrades are currently available up to Alpha 32, but any upgrades involving runway extensions are going to be removed in Alpha 33:

• Extending the runway length in either direction.
  • $10,000 on grass runway.
  • $20,000 on asphalt runway.
• Upgrading grass runway to asphalt or concrete for a base price of $60,000. If length is extended first, it increases the price by $4,000 for each extension.
• Build PAPI lights for $500 after upgraded to asphalt or concrete.

Operations

Repairs

When an aircraft utilizes the runway through either landing or taking off, the runway is exposed to wear and tear. This lowers the runways operational condition and causes it to deteriorate over time to the point at which it will have to be repaired. Repairing a runway is done by opening the runway panel and clicking on the "Repair" button. Additionally, a COO can be hired, and will repair runways automatically.

Operational Costs

A grass runway has a base cost of $750 per day. Each extension increases it by $50 per day. An asphalt & concrete runways have a base cost of $1500 per day. Each extension increases it by $100 per hour. The following tables summarize the operation cost at each extension level. Hourly cost rounded by the nearest $.

Runway Hourly Operating Costs ($)

Runway Length (feet)	1969	2100	2231	2362	2493	2624	2755	2886	3017	3148	3279	3410	3541	3672	3803	3934	4065	4196	4327	4458
Runway Length (meters)	600	640	680	720	760	800	840	880	920	960	1000	1040	1080	1120	1160	1200	1240	1280	1320	1360
Grass	750	800	850	900	950	1000	1050	1100	1150	1200	1250	1300	1350	1400	1450	1500	1550	1600	1650	1700
Asphalt/Concrete	1500	1600	1700	1800	1900	2000	2100	2200	2300	2400	2500	2600	2700	2800	2900	3000	3100	3200	3300	3400

Runway Daily Operating Costs ($) - rounded

Runway Length (feet)	1969	2100	2231	2362	2493	2624	2755	2886	3017	3148	3279	3410	3541	3672	3803	3934	4065	4196	4327	4458
Runway Length (meters)	600	640	680	720	760	800	840	880	920	960	1000	1040	1080	1120	1160	1200	1240	1280	1320	1360
Grass	31	33	35	38	40	42	44	46	48	50	52	54	56	58	60	63	65	67	69	71
Asphalt/Concrete	63	67	71	75	79	83	88	92	96	100	104	108	113	117	121	125	129	133	138	142