| Tail Number / N-Number | N18WA |
| Manufacturer | AVIAT AIRCRAFT INC |
| Model | A-1B |
| Year Built | 2001 |
| Manufacturer's Serial Number | 2165 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O-360 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | CARMEL CHRISTOPHER F |
| Street | 5 W MENDENHALL ST UNIT 517 |
| City | BOZEMAN |
| State | MT |
| Zip Code | 59715-3569 |
| Region | Northwest Mountain |
| County | Gallatin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2001-08-02 |
| Certificate Issue Date | 2006-10-24 |
| Last Action Date | 2021-03-25 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 50240110 |
| Mode S Code Hex | A14048 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N18WA.
| Tail Number / N-Number | N18WA |
| Manufacturer | BRITTEN-NORMAN |
| Model | BN2A-26 ISLANDER |
| Manufacturer's Serial Number | 517 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | SEAIR UNITED INC |
| Street | 3 OLD RUDNICK LANE |
| City | DOVER |
| State | DE |
| Zip Code | 19901 |
| County | Gallatin County |
| Country | US |
| Certificate Issue Date | 1998-06-01 |
| Last Action Date | 1998-06-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1999-03-19 |
| Exported To | BAHAMAS |