| Tail Number / N-Number | N66ST |
| Manufacturer | PIPER |
| Model | PA-34-220T |
| Manufacturer's Serial Number | 348133069 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | STEFENELLI AVIATION N-TR INC TRUSTEE |
| Street | SCHLOSSBERG 8 |
| City | ATTERSEE |
| Zip Code | A-4864 |
| Region | European |
| Country | AT |
| Fractional Ownership | No |
| Certificate Issue Date | 2018-03-30 |
| Last Action Date | 2021-02-24 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 52131602 |
| Mode S Code Hex | A8B382 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N66ST.
| Tail Number / N-Number | N66ST |
| Manufacturer | BIRD LEROY L |
| Model | TIGRESS |
| Year Built | 2007 |
| Manufacturer's Serial Number | 053107 |
| Aircraft Type | Rotorcraft |
| 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 | O-320-B2C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 160 hp (119 kW) |
| Type of Registrant | Individual |
| Owner Name | BIRD LEROY L |
| Street | 357 S SKYVIEW DR |
| City | KALAMAZOO |
| State | MI |
| Zip Code | 49009-6964 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-11-17 |
| Certificate Issue Date | 2007-08-23 |
| Last Action Date | 2007-08-23 |
| Last Status | Valid Registration |
| Cancellation Date | 2010-06-07 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N66ST.
| Tail Number / N-Number | N66ST |
| Manufacturer | TETERS ALLAN |
| Model | BUSHBY MDT MSTNG MM1 |
| Year Built | 2003 |
| Manufacturer's Serial Number | M-1-1990 |
| 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 | 0-200 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Kit Manufacturer | MUSTANG AERONAUTICS |
| Kit Model | MIDGET MUSTANG |
| Type of Registrant | Co-Ownership |
| Owner Name | TETERS ALLAN Z |
| Other Names |
|
| Street | 13229 S FOXRIDGE DR |
| City | OLATHE |
| State | KS |
| Zip Code | 66062-1597 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2003-08-14 |
| Certificate Issue Date | 1999-12-03 |
| Last Action Date | 2002-12-17 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2004-11-16 |