Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N99957.
| Tail Number / N-Number | N99957 |
| Manufacturer | ENGINEERING & RESEARCH |
| Model | 415-C |
| Manufacturer's Serial Number | 2580 |
| Aircraft Type | Fixed wing single 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 | 1 engine |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DRAKE G WILSON |
| Street | 5626 NEWPORT |
| City | HOUSTON |
| State | TX |
| Zip Code | 77023 |
| Region | Southwestern |
| Certificate Issue Date | 1951-09-25 |
| Last Status | Valid Registration |
| Cancellation Date | 1952-01-10 |
| Mode S Code | 53373471 |
| Mode S Code Hex | ADF739 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N99957.
| Tail Number / N-Number | N99957 |
| Manufacturer | LET |
| Model | BLANIK L-13 |
| Year Built | 1974 |
| Manufacturer's Serial Number | 025906 |
| Aircraft Type | Glider |
| 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 | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Average Cruising Speed | 45 miles per hour |
| Type of Registrant | Individual |
| Owner Name | REGISTRATION PENDING |
| Street | 2312 PROMETHEUS CT |
| City | HENDERSON |
| State | NV |
| Zip Code | 89074-5324 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-07-12 |
| Last Action Date | 2012-04-05 |
| Last Status | Registration Pending – Canceled |
| Cancellation Date | 2013-08-05 |
| Mode S Code | 53373471 |
| Mode S Code Hex | ADF739 |