| Tail Number / N-Number | N6891B |
| Manufacturer | PIPER |
| Model | PA-18S-150 |
| Manufacturer's Serial Number | 18-5080 |
| Aircraft Type | Fixed wing single engine |
| Category | Sea |
| Builder Certification | 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | SCHACHLE THEODORE A |
| Other Names |
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| Street | PO BOX 176 |
| City | WILLOW |
| State | AK |
| Zip Code | 99688-0176 |
| Region | Alaskan |
| County | Matanuska-Susitna Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-06-08 |
| Certificate Issue Date | 2023-02-04 |
| Last Action Date | 2023-02-04 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 52223443 |
| Mode S Code Hex | A92723 |