Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1678.
| Tail Number / N-Number | N1678 |
| Manufacturer | TENHAUS |
| Model | HEATH LN |
| Year Built | 1968 |
| Manufacturer's Serial Number | 5 |
| 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 | CONT MOTOR |
| Engine Model | A&C65 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HUGHES UNA A |
| Street | 11007 AERO LN SE |
| City | YELM |
| State | WA |
| Zip Code | 98597-9613 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-10-07 |
| Certificate Issue Date | 2011-08-15 |
| Last Action Date | 2011-08-15 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2018-01-02 |
| Mode S Code | 50207437 |
| Mode S Code Hex | A10F1F |