| Tail Number / N-Number | N1637D |
| Manufacturer | PIPER |
| Model | L-18C |
| Year Built | 1952 |
| Manufacturer's Serial Number | 18-1637 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C90-12F |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BOW DENNIS J |
| Street | 14715 LINCOLN AVE |
| City | THOMPSONVILLE |
| State | MI |
| Zip Code | 49683 |
| Region | Great Lakes |
| County | Benzie County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2015-06-26 |
| Certificate Issue Date | 2012-04-02 |
| Last Action Date | 2022-09-10 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 50200044 |
| Mode S Code Hex | A10024 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1637D.
| Tail Number / N-Number | N1637D |
| Manufacturer | CESSNA |
| Model | 170B |
| Manufacturer's Serial Number | 20279 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HARRIS LLOYD / ROBERT JANSEN |
| Street | 3418 18TH ST |
| City | ROCKFORD |
| State | IL |
| Zip Code | 60021 |
| Region | Great Lakes |
| County | Benzie County |
| Certificate Issue Date | 1960-01-22 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-07-25 |