Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N421EX.
| Tail Number / N-Number | N421EX |
| Manufacturer | BOEING |
| Model | 727-22C |
| Year Built | 1966 |
| Manufacturer's Serial Number | 19099 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 143 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 3 engines |
| Average Cruising Speed | 435 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | STEWART INDUSTRIES INTERNATIONAL LLC |
| Street | 400 W COLLEGE AVE |
| City | GUTHRIE |
| State | OK |
| Zip Code | 73044-3103 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-12-01 |
| Certificate Issue Date | 2005-03-03 |
| Last Action Date | 2005-04-25 |
| Last Status | Valid Registration |
| Cancellation Date | 2007-05-05 |
| Mode S Code | 51177720 |
| Mode S Code Hex | A4FFD0 |