| Tail Number / N-Number | N87AS |
| Manufacturer | ADDISON SINGLETON |
| Model | SONEX |
| Manufacturer's Serial Number | 1405 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 |
| Type of Registrant | Individual |
| Owner Name | SINGLETON ADDISON |
| Street | 99 WESTVIEW ST |
| City | NEW BEDFORD |
| State | MA |
| Zip Code | 02740-1700 |
| Region | New England |
| County | Bristol County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-12-09 |
| Last Action Date | 2021-12-09 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 52772016 |
| Mode S Code Hex | ABF40E |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N87AS.
| Tail Number / N-Number | N87AS |
| Manufacturer | LET |
| Model | BLANIK L-13 |
| Year Built | 1977 |
| Manufacturer's Serial Number | 026722 |
| 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 | Corporation |
| Owner Name | NATIONAL TEST PILOT SCHOOL |
| Street | PO BOX 658 |
| City | MOJAVE |
| State | CA |
| Zip Code | 93501 |
| County | Bristol County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1976-11-16 |
| Certificate Issue Date | 1986-09-26 |
| Last Action Date | 2007-11-20 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-05-15 |