Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3893S.
| Tail Number / N-Number | N3893S |
| Manufacturer | BELL |
| Model | 412 |
| Year Built | 1981 |
| Manufacturer's Serial Number | 33022 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 15 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6T-3 |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 900 hp (671 kW) |
| Total Horsepower | 1,800 hp (1,343 kW) |
| Type of Registrant | Corporation |
| Owner Name | PETROLEUM HELICOPTERS INC |
| Street | 113 BORMAN DRIVE |
| City | LAFAYETTE |
| State | LA |
| Zip Code | 70508 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-06-12 |
| Certificate Issue Date | 1994-10-26 |
| Last Action Date | 2000-11-14 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2003-07-14 |
| Mode S Code | 51077613 |
| Mode S Code Hex | A47F8B |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3893S.
| Tail Number / N-Number | N3893S |
| Manufacturer | CESSNA |
| Model | 172E |
| Manufacturer's Serial Number | 17251093 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT CO |
| Street | 5800 PAWNEE RD |
| City | WICHITA |
| State | KS |
| Zip Code | 67201 |
| Region | Central |
| Last Status | Valid Registration |
| Cancellation Date | 1964-01-27 |
| Exported To | CANADA |
| Mode S Code | 51077613 |
| Mode S Code Hex | A47F8B |