Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N404DF.
| Tail Number / N-Number | N404DF |
| Manufacturer | GRUMMAN |
| Model | S2F-1 (TS-2A) |
| Year Built | 1955 |
| Manufacturer's Serial Number | 308 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 86 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | STATE OF CALIFORNIA |
| Street | DEPARTMENT OF CONSERVATION 1416 9TH ST |
| City | SACRAMENTO |
| State | CA |
| Zip Code | 95814 |
| Region | Western-Pacific |
| Certificate Issue Date | 1976-06-14 |
| Last Status | Valid Registration |
| Cancellation Date | 1981-12-23 |
| Mode S Code | 51135716 |
| Mode S Code Hex | A4BBCE |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N404DF.
| Tail Number / N-Number | N404DF |
| Manufacturer | GRUMMAN |
| Model | S2F-1 (TS-2A) |
| Manufacturer's Serial Number | 455 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WRIGHT |
| Engine Model | R-1820 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,475 hp (1,100 kW) |
| Total Horsepower | 2,950 hp (2,201 kW) |
| Average Cruising Speed | 86 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | 311 4TH ST |
| City | YREKA |
| State | CA |
| Zip Code | 96097-2946 |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1985-07-03 |
| Last Action Date | 2013-02-07 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2014-12-03 |
| Mode S Code | 51135716 |
| Mode S Code Hex | A4BBCE |