Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1173Z.
| Tail Number / N-Number | N1173Z |
| Manufacturer | SPATZ MARK |
| Model | KR-1 |
| Year Built | 1983 |
| Manufacturer's Serial Number | 1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | VOLKSWAGEN |
| Engine Model | CONVERSION |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 36 hp (27 kW) |
| Type of Registrant | Individual |
| Owner Name | SPATZ MARK C |
| Street | 450 BEACON ST |
| City | BOSTON |
| State | MA |
| Zip Code | 02115 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-08-04 |
| Certificate Issue Date | 1982-06-24 |
| Last Action Date | 2009-05-19 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-06-06 |
| Mode S Code | 50044415 |
| Mode S Code Hex | A0490D |