| Tail Number / N-Number | N1811 |
| Manufacturer | BELL |
| Model | 206-L4 |
| Year Built | 2004 |
| Manufacturer's Serial Number | 52300 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250 20&30 SER |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 420 hp (313 kW) |
| Type of Registrant | LLC |
| Owner Name | N1811 LLC |
| Street | 14357 KEIL RD NE # M65 |
| City | AURORA |
| State | OR |
| Zip Code | 97002-9410 |
| Region | Northwest Mountain |
| County | Marion County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2005-01-02 |
| Certificate Issue Date | 2022-09-21 |
| Last Action Date | 2022-09-21 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 50243336 |
| Mode S Code Hex | A146DE |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1811.
| Tail Number / N-Number | N1811 |
| Manufacturer | LOCKHEED |
| Model | 18-56 |
| Year Built | 1941 |
| Manufacturer's Serial Number | 2131 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 17 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 184 miles per hour |
| Type of Registrant | Government |
| Owner Name | US DEPARTMENT OF TREASURY US CUSTOMS SERVICE |
| Street | HEADQUARTERS PATROL DIVISION OHA 1301 CONSTITUTION AVENUE NW |
| City | WASHINGTON |
| State | DC |
| Zip Code | 20229 |
| Region | Eastern |
| County | Marion County |
| Certificate Issue Date | 1976-03-13 |
| Last Status | Valid Registration |
| Cancellation Date | 1978-03-09 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1811.
| Tail Number / N-Number | N1811 |
| Manufacturer | TRAVEL AIR MFG CO |
| Model | 2000 |
| Year Built | 1927 |
| Manufacturer's Serial Number | 237 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Individual |
| Owner Name | NOONAN JOHN |
| Street | BOX 33 |
| City | GUYMON |
| State | OK |
| Zip Code | 73942 |
| Region | Southwestern |
| County | Marion County |
| Country | US |
| Certificate Issue Date | 1940-11-15 |
| Last Status | Valid Registration |
| Cancellation Date | 1948-07-12 |