| Tail Number / N-Number | N400JN |
| Manufacturer | CURTISS |
| Model | JENNEY JN-4D |
| Year Built | 1917 |
| Manufacturer's Serial Number | 400 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SMITH JAMES E |
| Street | PO BOX 8177 |
| City | KALISPELL |
| State | MT |
| Zip Code | 59904-1177 |
| Region | Northwest Mountain |
| County | Flathead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-04-30 |
| Certificate Issue Date | 1993-02-01 |
| Last Action Date | 2022-08-22 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51126566 |
| Mode S Code Hex | A4AD76 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N400JN.
| Tail Number / N-Number | N400JN |
| Manufacturer | GLASER-DIRKS |
| Model | DG-400 |
| Manufacturer's Serial Number | 4117 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| County | Flathead County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-10-03 |