Lot 641

BOEING SST 733 AIRCRAFT MODEL LOT OF 2

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BOEING SST 733 AIRCRAFT MODEL LOT OF 2

Estimate: $600 - $1,000

Starting Bid: $300

(0 Bids)

by Milestone Auctions
August 1, 2026 10:00 AM EDT
Live Auction
38198 Willoughby Parkway
Willoughby, OH, US 44094

Pair of SST Boeing 733 Aircraft made by Pacific Miniatures measuring roughly 9 inches long with one having the wings open and the other closed. Excellent. Boeing began small-scale SST studies in 1952. In 1958, it established a permanent SST research group, which was spending $1 million a year by 1960 (equivalent to $10,883,000 in 2025). It proposed a variety of alternative designs, all under the name Model 733. Most of the designs featured a large delta wing, but in 1959 another design was offered as an offshoot of Boeing's efforts in the swing-wing TFX program. In 1960, Boeing ran an internal competition for a 150 seat transatlantic SST design, and the swing-wing version won. Shortly after taking office, President John F. Kennedy tasked the Federal Aviation Administration with preparing a report on "national aviation goals for the period between now and 1970". The study was prompted in the wake of several accidents, which led to the belief that the industry was becoming moribund. Two projects were started, Project Beacon on new navigational systems and air traffic control, and Project Horizon on advanced civil aviation developments. Only one month later the FAA's new director, Najeeb Halaby, produced the Commission on National Aviation Goals, better known as Project Horizon. Among other suggestions, the report was used as a platform to promote the SST. Halaby argued that a failure to enter this market would be a "stunning setback". The report was met with skepticism by most others. Kennedy had put Lyndon Johnson on the SST file, and he turned to Robert McNamara for guidance. McNamara was highly skeptical of the SST project and savaged Halaby's predictions; he was also afraid the project might be turned over to the DoD and was careful to press for further studies. The basic concept behind the SST was that its fast flight would allow them to fly more trips than a subsonic aircraft, leading to higher utilization. However, it did this at the cost of greatly increased fuel use. If fuel costs were to change dramatically, SSTs would not be competitive. These problems were well understood within the industry; the IATA released a set of "design imperatives" for an SST that were essentially impossible to meet—the release was a warning to promoters of the SST within the industry.

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Bid Increments
From: To: Increments:
$0 $99 $10
$100 $999 $25
$1,000 $1,999 $50
$2,000 $4,999 $100
$5,000 $9,999 $250
$10,000 $24,999 $500
$25,000 $49,999 $1,000
$50,000 $99,999 $2,500
$100,000 + $5,000