Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1900H.
| Tail Number / N-Number | N1900H |
| Manufacturer | GITTENS DAVID |
| Model | CYGNUS 21 |
| Manufacturer's Serial Number | DK002 |
| Aircraft Type | Rotorcraft |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | GITTENS DAVID L |
| Street | 1416 4TH ST |
| City | SANTA FE |
| State | NM |
| Zip Code | 87501 |
| Country | US |
| Certificate Issue Date | 1989-06-13 |
| Last Action Date | 1992-07-18 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-05-30 |
| Mode S Code | 50265213 |
| Mode S Code Hex | A16A8B |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1900H.
| Tail Number / N-Number | N1900H |
| Manufacturer | PIPER |
| Model | PA-28-161 |
| Manufacturer's Serial Number | 28-7716058 |
| 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 | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GARRETSON ROBERT D |
| Street | 1415 N DEARBORN |
| City | CHICAGO |
| State | IL |
| Zip Code | 60610 |
| Region | Great Lakes |
| Last Status | Valid Registration |
| Cancellation Date | 1978-12-19 |
| Exported To | UNITED KINGDOM |
| Mode S Code | 50265213 |
| Mode S Code Hex | A16A8B |