| Tail Number / N-Number | N9911 |
| Manufacturer | EXPERIMENTAL |
| Model | NEYS D260 |
| Year Built | 1979 |
| Manufacturer's Serial Number | 522 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | R680 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 215 hp (160 kW) |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | LLC |
| Owner Name | AUGUST AERO LLC |
| Street | 1001 S MAIN ST STE 600 |
| City | KALISPELL |
| State | MT |
| Zip Code | 59901-5635 |
| Region | Northwest Mountain |
| County | Flathead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-07-02 |
| Certificate Issue Date | 2020-05-08 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 53354325 |
| Mode S Code Hex | ADD8D5 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N9911.
| Tail Number / N-Number | N9911 |
| Manufacturer | TRAVEL AIR |
| Model | 2000 |
| Manufacturer's Serial Number | 1121 |
| 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 |
| Type of Registrant | Individual |
| Owner Name | ROBERT A METZGAR |
| Street | 930 DOWNING STREET |
| City | DENVER |
| State | CO |
| Zip Code | 80110 |
| Region | Northwest Mountain |
| County | Flathead County |
| Last Status | Valid Registration |
| Cancellation Date | 1941-03-01 |