Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2978.
| Tail Number / N-Number | N2978 |
| Manufacturer | GRUMMAN |
| Model | G-73 |
| Year Built | 1949 |
| Manufacturer's Serial Number | J-45 |
| Aircraft Type | Fixed wing multi engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | W-S1H&S3H |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 600 hp (448 kW) |
| Total Horsepower | 1,200 hp (895 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | LAND SEA AIRWAYS INC |
| Street | BAY 4 11201 CONNER AVENUE |
| City | DETROIT |
| State | MI |
| Zip Code | 48205 |
| Country | US |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1969-05-02 |
| Last Action Date | 1977-01-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2013-08-07 |
| Mode S Code | 50611353 |
| Mode S Code Hex | A312EB |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2978.
| Tail Number / N-Number | N2978 |
| Manufacturer | CURTISS AEROPLANE & MOTOR CO |
| Model | SEAPLANE |
| Manufacturer's Serial Number | I-806 |
| Aircraft Type | Fixed wing single engine |
| Category | Sea |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | ARLINGTON BEACH SEAPLANE CORP |
| Street | GENERAL DELIVERY |
| City | ARLINGTONBEACH |
| State | VA |
| Zip Code | 22202 |
| Region | Eastern |
| Last Status | Valid Registration |
| Cancellation Date | 1930-05-07 |
| Mode S Code | 50611353 |
| Mode S Code Hex | A312EB |