Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N440GL.
| Tail Number / N-Number | N440GL |
| Manufacturer | TWITTY-HOVEY |
| Model | BD-4 |
| Year Built | 1976 |
| Manufacturer's Serial Number | 440 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 137 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | TWITTY GARLAND E |
| Other Names |
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| Street | 8340 E LEE |
| City | TUCSON |
| State | AZ |
| Zip Code | 85715 |
| Country | US |
| Airworthiness Classification | Experimental |
| Certificate Issue Date | 1975-10-10 |
| Last Action Date | 1978-05-20 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2012-06-27 |
| Mode S Code | 51245476 |
| Mode S Code Hex | A54B3E |