| Tail Number / N-Number | N4T |
| Manufacturer | MD HELICOPTERS INC |
| Model | 600N |
| Year Built | 2008 |
| Manufacturer's Serial Number | RN073 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C47M |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 650 hp (485 kW) |
| Type of Registrant | Corporation |
| Owner Name | SHARCOTT INC TRUSTEE |
| Street | 1013 CENTRE RD STE 403-A |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19805-1270 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-10-17 |
| Certificate Issue Date | 2018-10-10 |
| Last Action Date | 2021-05-21 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 51124630 |
| Mode S Code Hex | A4A998 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4T.
| Tail Number / N-Number | N4T |
| Manufacturer | CUMBERLAND WILLIAM T |
| Model | BEAST OF EAST |
| Manufacturer's Serial Number | 02 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | CUMBERLAND WILLIAM T |
| Street | 16391 A E MULLINIX RD |
| City | WOODBINE |
| State | MD |
| Zip Code | 21797 |
| County | New Castle County |
| Country | US |
| Certificate Issue Date | 1985-02-28 |
| Last Action Date | 1991-01-31 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1992-06-08 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4T.
| Tail Number / N-Number | N4T |
| Manufacturer | CUMBERLAND-PITTS SPECIAL |
| Model | S1C |
| Year Built | 1969 |
| Manufacturer's Serial Number | 01 |
| 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CUMBERLAND WILLIAM T |
| Street | 16391 A.E. MULLINIX RD. |
| City | WOODBINE |
| State | MD |
| Zip Code | 21797 |
| County | New Castle County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1979-10-17 |
| Certificate Issue Date | 1970-02-16 |
| Last Action Date | 2004-05-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2006-06-19 |