| Tail Number / N-Number | N40SD |
| Manufacturer | LUSCOMBE |
| Model | 8A |
| Year Built | 1948 |
| Manufacturer's Serial Number | 6339 |
| 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 | CONT MOTOR |
| Engine Model | C90 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Average Cruising Speed | 86 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DENNIS STEVEN T |
| Street | 3967 W STORM KING DR |
| City | RATHDRUM |
| State | ID |
| Zip Code | 83858-4301 |
| Region | Northwest Mountain |
| County | Kootenai County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-08-10 |
| Certificate Issue Date | 2017-12-01 |
| Last Action Date | 2020-08-07 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 51125734 |
| Mode S Code Hex | A4ABDC |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N40SD.
| Tail Number / N-Number | N40SD |
| Manufacturer | CESSNA |
| Model | 305A |
| Manufacturer's Serial Number | 22548 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 99 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | GREY BIRD INC |
| Street | 7 KRISTIN CIRCLE |
| City | NICEVILLE |
| State | FL |
| Zip Code | 32578 |
| County | Kootenai County |
| Country | US |
| Certificate Issue Date | 2002-08-12 |
| Last Action Date | 2012-01-10 |
| Last Status | Valid Registration |
| Cancellation Date | 2012-10-18 |
| Exported To | NEW ZEALAND |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N40SD.
| Tail Number / N-Number | N40SD |
| Manufacturer | BELL |
| Model | 47G-3B |
| Manufacturer's Serial Number | 3495 |
| Aircraft Type | Rotorcraft |
| 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 | 78 miles per hour |
| Type of Registrant | Government |
| Owner Name | ORLANDO-ORANGE COUNTY CIVIL DEFENSE |
| Street | P O BOX 1393 |
| City | ORLANDO |
| State | FL |
| Zip Code | 32802 |
| County | Kootenai County |
| Country | US |
| Certificate Issue Date | 1973-12-06 |
| Last Action Date | 1996-03-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1997-02-18 |