| Tail Number / N-Number | N1603M |
| Manufacturer | AIRBUS HELICOPTERS INC |
| Model | AS350B3 |
| Year Built | 2018 |
| Manufacturer's Serial Number | 8563 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | SAFRAN |
| Engine Model | ARRIEL 2D |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 952 hp (710 kW) |
| Type of Registrant | Government |
| Owner Name | CITY OF SAN ANTONIO TEXAS |
| Street | 1223 99TH ST |
| City | SAN ANTONIO |
| State | TX |
| Zip Code | 78214-3114 |
| Region | Southwestern |
| County | Bexar County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-11-02 |
| Certificate Issue Date | 2022-11-21 |
| Last Action Date | 2022-11-21 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 50172173 |
| Mode S Code Hex | A0F47B |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1603M.
| Tail Number / N-Number | N1603M |
| Manufacturer | LOCKHEED |
| Model | 18 |
| Manufacturer's Serial Number | 18-2523 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 17 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BIGGS DEWEY G |
| Street | 28 W FLAGLER ST |
| City | MIAMI |
| State | FL |
| Zip Code | 32670 |
| Region | Southern |
| County | Bexar County |
| Certificate Issue Date | 1947-09-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1947-12-16 |
| Exported To | PERU |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1603M.
| Tail Number / N-Number | N1603M |
| Manufacturer | CESSNA |
| Model | A185E |
| Manufacturer's Serial Number | 18501827 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 125 miles per hour |
| County | Bexar County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |