Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4681N.
| Tail Number / N-Number | N4681N |
| Manufacturer | BOEING |
| Model | N2S-4 |
| Manufacturer's Serial Number | 75-3356 |
| 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 | 93 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | DUNCAN FLYING SERVICE |
| Street | BOX 647 |
| City | DUNCAN |
| State | OK |
| Zip Code | 73533 |
| Region | Southwestern |
| Certificate Issue Date | 1947-04-28 |
| Last Status | Valid Registration |
| Cancellation Date | 1948-03-02 |
| Mode S Code | 51334733 |
| Mode S Code Hex | A5B9DB |