N9449H, a war-surplus Douglas A-24B "Banshee," the Army version of the Navy's SBD "Dauntless," was one of the first, if not the first, aircraft purchased by Seaboard. It has been reported that it was used for instrument training. It was disposed of after a landing accident. Below is a reproduction of its F.A.A. registration page as of December 6, 2016.
| Deregistered Aircraft | |||
| Aircraft Description | |||
| Serial Number | 17621 | Certificate Issue Date | None |
| Manufacturer Name | DOUGLAS | Mode S Code (base 8 / oct) | 53217637 |
| Model | A-24B | Mode S Code (base 16 / hex) | AD1F9F |
| Year Manufacturer | 1942 | Cancel Date | 07/15/2011 |
| Reason for Cancellation | Expiration | Export To | None |
| Type Registration | Corporation | ||
| Aircraft Registration prior to Deregistration | |||
| Name | SEABOARD & WESTERN AIRLINES INC | ||
| Street | 150 E 35TH ST | ||
| City | NEW YORK | ||
| State | NEW YORK | Zip Code | 10000 |
| County | NEW YORK | ||
| Country | UNITED STATES | ||
| Deregistered Airworthiness | |||
| Engine Manufacturer | WRIGHT | Classification | Unknown |
| Engine Model | 67027 | Category | None |
| A/W Date | None | ||