So, I started to think about this problem at the beginning of the scenario, and now it seems more likely every year that passes...

In short worlds, there is a huge initial pool of popular planes at the beginning of every scenario, that can virtually be used the entire length of the game (for example, 320s, 737s in MT; 737s 727s at DOTM, and DC6s, convairs, etc in JA)...

In the long games format, this is not the case anymore, and all the planes that will be used in the mid-late game, will have to be generated and purchased by the players...

So the key question is: will the production lines be able to satisfy the demand of the entire world without a initial pool of planes ? I'm starting to think the answer is no, so I start this thread...

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Let's compare JA with the recently opened DOTM:

In JA, **727** production lines, maxes out at **16 planes/month.**

In DOTM, the initial (measured at mid1976) pool of **727** goes up to **4684 planes**.

On this numbers, when current JA reaches 1976, we will have **less than 2112 built 727s** (less than half), with the aggravating that our airlines will have 15 years of operations (thus needing much more planes than the newly DOTM airlines of a new game)

Update: 30planes/month: 3960 planes by 1976. Still several hundreds planes down from initial DOTM pool.

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But, that's not the only problem... The later, more efficient models, will be even more scarce in relation to initial pools.

In current DOTM, **727-200adv** (the most efficient model) **has 3038 planes built**.

In JA, we won't have the 727-200adv available for order until 1971... With that in mind, the **727-200adv** will have a low availability with **960 built by 1976** being optimistic.

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The idea behind a long JA game, was to slowly increase the players slots, but while in a regular DOTM game, new players have a pool of 4600 planes (727model), in a late 1975 JA, they will only have 2112, which by the way, will be heavily contested by established and ultra big airlines.

And not only that, but the most 727s built will be the most ineficient models...

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Let's see what will happen with the **737** model...

In current DOTM (again mid1976) there's **3667 built planes**, with a big portion of them (3304) being the most efficient (-200adv).

In current JA, the production lines opens up at 1965, with first deliveries in '67... let's say 68' until the production lines stabilizes to big numbers... asuming, the line will have about 20-30/planes month (30 which is the same as caravelles now) (20 is what DOTM currently has) that gives us **2880/1920 built planes by 1976**... Well below current DOTM numers...

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This situation might be acceptable in a short world that ends in 1975, since we have a huge initial pool of planes that can (barely) still be used, and players slots keep constant, while some actually leaving by late game, but if we have to keep moving, and the idea is to attract more people in order to achieve the 700 players MT can support, we'll face problems ahead...

Also, this stats won't be appealing at all for new entrants, facing an already very hostile scenario with big established airlines, and facing a plane shortage much worse than an initial normal DOTM world...

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It's very likely that the situation will repeat in mid-end long format DOTM, were 320s, 737s (NG) are launched, comparing their production lines with MT initial pools. (I can't know since I don't have a recently open MT world to check initial pools and I don't remember the numbers)

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My proposed solution is to increase production slots, at least to a number that will allow players to match DOTM initial pool numbers and later, MT initial numbers...

And of course, I'd like to hear what the community thinks about this.