| Tail Number / N-Number | N18978 |
| Manufacturer | HARLOW |
| Model | PJC-2 |
| Year Built | 1938 |
| Manufacturer's Serial Number | 1 |
| 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) |
| Engine Manufacturer | WARNER |
| Engine Model | SS185 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Average Cruising Speed | 119 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TURRELL JAMES |
| Street | 9000 HUTTON RANCH RD |
| City | FLAGSTAFF |
| State | AZ |
| Zip Code | 86004-8592 |
| Region | Western-Pacific |
| County | Coconino County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1971-07-14 |
| Certificate Issue Date | 2000-04-13 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 50262611 |
| Mode S Code Hex | A16589 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N18978.
| Tail Number / N-Number | N18978 |
| Manufacturer | NOORDUYN |
| Model | UC-64A |
| Year Built | 1943 |
| Manufacturer's Serial Number | 363 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 9 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CAPITOL CADILLAC CO |
| Street | 1222 22ND ST NW |
| City | WASHINGTON |
| State | DC |
| Zip Code | 20037 |
| Region | Eastern |
| County | Coconino County |
| Country | US |
| Certificate Issue Date | 1946-04-15 |
| Last Status | Valid Registration |
| Cancellation Date | 1947-03-07 |
| Exported To | COLOMBIA |