| Tail Number / N-Number | N19636 |
| Manufacturer | ENGLISH JOHN DAY |
| Model | CHALLENGER II |
| Year Built | 1993 |
| Manufacturer's Serial Number | CH20893CW1011 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 503DCSI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Type of Registrant | Individual |
| Owner Name | ENGLISH JOHN DAY |
| Street | 2668 MEADOW CREST CT |
| City | RICHMOND |
| State | CA |
| Zip Code | 94806-1944 |
| Region | Western-Pacific |
| County | Contra Costa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Light Sport |
| Airworthiness Date | 2010-01-07 |
| Certificate Issue Date | 2006-03-10 |
| Last Action Date | 2022-08-09 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50300525 |
| Mode S Code Hex | A18155 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N19636.
| Tail Number / N-Number | N19636 |
| Manufacturer | CESSNA |
| Model | 172L |
| Manufacturer's Serial Number | 172-60627 |
| 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 | UNIVERSITY OF DETROIT FLYING CLUB |
| Street | 18401 ROSEMONT |
| City | DETROIT |
| State | MI |
| Zip Code | 48219 |
| Region | Great Lakes |
| County | Contra Costa County |
| Certificate Issue Date | 1972-04-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1973-05-29 |