Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N947NA.
| Tail Number / N-Number | N947NA |
| Manufacturer | GRUMMAN |
| Model | G-1159 |
| Year Built | 1974 |
| Manufacturer's Serial Number | 147 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 22 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | SPEY MK 511SR |
| Engine Type | Turbo-jet |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,140 hp (850 kW) |
| Total Horsepower | 2,280 hp (1,701 kW) |
| Average Cruising Speed | 438 miles per hour |
| Type of Registrant | Government |
| Owner Name | NASA JOHNSON SPACE CENTER |
| Street | C/O RICHARD N CLARK BLDG 276 ELLINGTON FIELD |
| City | HOUSTON |
| State | TX |
| Zip Code | 77034 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-06-13 |
| Certificate Issue Date | 1974-06-24 |
| Last Action Date | 2012-06-13 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2018-01-10 |
| Mode S Code | 53224126 |
| Mode S Code Hex | AD2856 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N947NA.
| Tail Number / N-Number | N947NA |
| Manufacturer | BELL |
| Model | 47G-3B-1 |
| Manufacturer's Serial Number | 6665 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Government |
| Owner Name | NATIONAL AERONAUTICS & SPACE ADMIN |
| Street | MANNED SPACECRAFT CENTER |
| City | HOUSTON |
| State | TX |
| Zip Code | 77058 |
| Region | Southwestern |
| Certificate Issue Date | 1969-09-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-06-23 |
| Mode S Code | 53224126 |
| Mode S Code Hex | AD2856 |