| Tail Number / N-Number | N403US |
| Manufacturer | AAI CORP DBA TEXTRON SYSTS UNM |
| Model | AEROSONDE MK 4.7G |
| Manufacturer's Serial Number | 4003 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 4 (UAV up to 55 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | AAI CORP DBA |
| Other Names |
|
| Street | 124 INDUSTRY LN ATTN: JOHN FIELDS |
| City | HUNT VALLEY |
| State | MD |
| Zip Code | 21030 |
| Region | Eastern |
| County | Baltimore city |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2017-07-14 |
| Last Action Date | 2020-02-19 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51134631 |
| Mode S Code Hex | A4B999 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N403US.
| Tail Number / N-Number | N403US |
| Manufacturer | DOUGLAS |
| Model | DC-7 |
| Manufacturer's Serial Number | 44904 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 102 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 232 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | APA SERVICES INC |
| Street | BUILDING # 11 LINDEN AIRPORT |
| City | LINDEN |
| State | NJ |
| Zip Code | 07036 |
| Region | Eastern |
| County | Baltimore city |
| Certificate Issue Date | 1969-11-13 |
| Last Status | Valid Registration |
| Cancellation Date | 1977-11-15 |