| Tail Number / N-Number | N831D |
| Manufacturer | AEROPRO CZ S R O |
| Model | A240 |
| Year Built | 2021 |
| Manufacturer's Serial Number | 61721 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 912ULS SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | Individual |
| Owner Name | DANFORD ROBERT NEIL |
| Street | 2897 DANFORD LN |
| City | KALISPELL |
| State | MT |
| Zip Code | 59901-9081 |
| Region | Northwest Mountain |
| County | Flathead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Light Sport |
| Airworthiness Date | 2021-06-18 |
| Certificate Issue Date | 2021-09-21 |
| Last Action Date | 2021-09-21 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 52656134 |
| Mode S Code Hex | AB5C5C |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N831D.
| Tail Number / N-Number | N831D |
| Manufacturer | DOUGLAS |
| Model | DC-7B |
| Manufacturer's Serial Number | 45340 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 102 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 232 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CARLOTTE AIRCRAFT CORP |
| Street | BOX 9127 |
| City | CHARLOTTE |
| State | NC |
| Zip Code | 28202 |
| Region | Eastern |
| County | Flathead County |
| Last Status | Valid Registration |
| Cancellation Date | 1964-10-14 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N831D.
| Tail Number / N-Number | N831D |
| Manufacturer | BEECH |
| Model | 95-C55 |
| Year Built | 1966 |
| Manufacturer's Serial Number | TE-62 |
| Aircraft Type | Fixed wing multi 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 | 2 engines |
| Horsepower per Engine | 285 hp (213 kW) |
| Total Horsepower | 570 hp (425 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | 6101 EMMAS CT |
| City | COLLEYVILLE |
| State | TX |
| Zip Code | 76034-7655 |
| County | Flathead County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-02-01 |
| Last Action Date | 2014-03-26 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2015-05-11 |