| Tail Number / N-Number | N111TC |
| Manufacturer | BEECH |
| Model | E-90 |
| Year Built | 1978 |
| Manufacturer's Serial Number | LW-305 |
| 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) |
| Engine Manufacturer | U/A CANADA |
| Engine Model | PT6A-27-28 |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 680 hp (507 kW) |
| Total Horsepower | 1,360 hp (1,015 kW) |
| Type of Registrant | Corporation |
| Owner Name | GRADY EXCAVATING INC |
| Street | PO BOX 467 |
| City | MUKILTEO |
| State | WA |
| Zip Code | 98275-0467 |
| Region | Northwest Mountain |
| County | Snohomish County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-10-23 |
| Certificate Issue Date | 2018-09-10 |
| Last Action Date | 2021-06-28 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 50030626 |
| Mode S Code Hex | A03196 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N111TC.
| Tail Number / N-Number | N111TC |
| Manufacturer | ROCKWELL INTERNATIONAL |
| Model | 112TC |
| Manufacturer's Serial Number | 13035 |
| Aircraft Type | Fixed wing single 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 | 1 engine |
| Average Cruising Speed | 128 miles per hour |
| Type of Registrant | Individual |
| Owner Name | THEISEN RAYMOND C |
| Street | 8050 RITTER |
| City | CENTERLINE |
| State | MI |
| Zip Code | 48015 |
| County | Snohomish County |
| Country | US |
| Certificate Issue Date | 1992-04-23 |
| Last Action Date | 1998-03-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1998-05-27 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N111TC.
| Tail Number / N-Number | N111TC |
| Manufacturer | CONVAIR |
| Model | 240-1 |
| Manufacturer's Serial Number | 7 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 42 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 210 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SOUTH SHORE BANK |
| Street | 1400 HANCOCK STREET |
| City | QUINCY |
| State | MA |
| Zip Code | 02169 |
| County | Snohomish County |
| Country | US |
| Certificate Issue Date | 1978-04-04 |
| Last Action Date | 1982-04-14 |
| Last Status | Administratively canceled |
| Cancellation Date | 1982-04-12 |