Aircraft
N724US, a Boeing 720B, manufacturer's serial number 18354, owned and operated by Northwest Airlines, Inc., was manufactured on July 14, 1961, and had a total flight time of 4,684.37 hours. The aircraft was powered by four Pratt & Whitney JT3D-1 turbojet engines.
| Position | S/N | TSO | Total Time |
| 1 | P642692B | 205.45 | 2642.27 |
| 2 | P642828B | 867.35 | 3602.15 |
| 3 | P642750B | 632.32 | 2206.47 |
| 4 | P642486B | 1,230.02 | 3451.05 |
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