| Tail Number / N-Number | N86TJ |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2007 |
| Manufacturer's Serial Number | 12017 |
| Aircraft Type | Rotorcraft |
| 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 | LYCOMING |
| Engine Model | IO-540-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | LLC |
| Owner Name | SIGNAL HILL AIR LLC |
| Street | 2026 TERRY RD |
| City | DURHAM |
| State | NC |
| Zip Code | 27712-1257 |
| Region | Eastern |
| County | Durham County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Multiple |
| Airworthiness Date | 2022-08-04 |
| Certificate Issue Date | 2016-10-19 |
| Last Action Date | 2022-05-14 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 52747060 |
| Mode S Code Hex | ABCE30 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N86TJ.
| Tail Number / N-Number | N86TJ |
| Manufacturer | CONRAD THEODORE J |
| Model | THORP T-18 |
| Manufacturer's Serial Number | C-4602 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | CONRAD THEODORE J |
| Street | 6274 WRANGLER LN |
| City | SAN ANGELO |
| State | TX |
| Zip Code | 76904-3300 |
| County | Durham County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1987-03-17 |
| Certificate Issue Date | 1987-01-05 |
| Last Action Date | 2007-08-13 |
| Last Status | Valid Registration |
| Cancellation Date | 2011-01-31 |