"If some industry observers are concerned about the prospect of over-production now, the current state of affairs may be only the tip of the iceberg," Hamilton wrote in a newsletter.
Besides Boeing and Airbus, Bombardier, Embraer, Mitsubishi and Russia's Irkut all have new airplanes going into production.
China's Comac has plans for a new C919, although those plans are less certain, Hamilton said.
The implications for the supply chain are obvious, he said. Many suppliers make parts for Airbus, Boeing, Bombardier and Embraer, and much of the work is on emerging programs.
Boeing has said it would boost production of its 737 single-aisle airliners in Renton from 38 a month to a record 42 per month next year. It's increasing 787 Dreamliner production in Everett and North Charleston, S.C., to 10 per month. And Boeing CEO Jim McNerney has hinted on conference calls with analysts that the company is exploring raising rates again.
At the same time, Boeing is working to revamp the popular 737 with the 737 MAX. And Airbus is developing the A320 neo.
Eventually, suppliers will need capital to expand and hire more people to keep up, Hamilton said.
That's good news and bad news.
"The rewards are enormous, but the risk could be enormous as well" if there is a geopolitical event, a terrorist attack or another economic downturn, he said.
That assessment may be a little alarmist, one supplier said.
Spirit AeroSystems of Wichita, which builds parts for all Boeing models, tells suppliers well in advance when there will be a production rate increase, said Jason Cox, Cox Machine's chief technical officer.
That gives suppliers plenty of time to prepare.
"It's not something that all of a sudden drops on you," Cox said.
Most of the parts built at Cox Machine are for Boeing airplanes. Spirit AeroSystems is a major customer.
To keep up with rising production rates, Cox Machine expanded its factory space by 30,000 square feet. And it's increased its work force by about 50 percent from the low end of the downturn, Jason Cox said.
During the downturn, Cox Machine employed 130. It now employs about 200.
If there are additional increases, "it should be in plenty of time for us to react," Jason Cox said. "If there's growth, it will be in specific areas in our shop. We will expand those areas if we need to."
Spirit AeroSystems' focus is on exploring higher, sustainable rates in cooperation with its customers, such as Boeing, said Spirit spokesman Ken Evans. "We do that almost on a daily basis."
"We always work hand in hand with our customers and with our customers' work statement," Evans said.
To keep up with rising 737 rates, Spirit didn't add buildings, but it did invest in more tooling and equipment and it reconfigured the factory.
If production rates increase further, "we would try to do whatever was necessary," Evans said. That might require exploring the addition a larger building or a new facility.
The 787 is a younger program. Spirit added a building to take on the work, which can accommodate additional rate increases.
It also added an additional clean room and automated fiber placement machines.
When it comes to rate increases, it's important that the rates are sustainable, Evans said.
"That's what the supply chain needs," he said.
Hamilton said he expects consolidation in the supply chain to continue.
Small and medium-size suppliers still have difficulty in the capital markets.
"If a key supplier is unable to raise the money to do the Cap X to expand, and there's still a capital squeeze out there . merger to become larger may be the only way," Hamilton said.
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