| Tail Number / N-Number | N3840U |
| Manufacturer | BEECH |
| Model | A36 |
| Year Built | 1981 |
| Manufacturer's Serial Number | E-1821 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 285 hp (213 kW) |
| Average Cruising Speed | 138 miles per hour |
| Type of Registrant | LLC |
| Owner Name | SOMERSET AVIATION LLC |
| Street | 201 SOMERSET DR |
| City | GADSDEN |
| State | AL |
| Zip Code | 35901-5743 |
| Region | Southern |
| County | Etowah County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-02-12 |
| Certificate Issue Date | 2002-11-26 |
| Last Action Date | 2021-05-17 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 51066221 |
| Mode S Code Hex | A46C91 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3840U.
| Tail Number / N-Number | N3840U |
| Manufacturer | CESSNA |
| Model | 336 |
| Manufacturer's Serial Number | 3360140 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 135 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | COLES AVIATION OF BOULDER |
| Street | MUNICIPIAL AIRPORT |
| City | BOULDER |
| State | CO |
| Zip Code | 80302 |
| Region | Northwest Mountain |
| County | Etowah County |
| Certificate Issue Date | 1967-11-27 |
| Last Status | Valid Registration |
| Cancellation Date | 1968-03-12 |
| Exported To | CANADA |