| Tail Number / N-Number | N4237S |
| Manufacturer | AVIONS MUDRY ET CIE |
| Model | CAP 10B |
| Manufacturer's Serial Number | EPC-154 |
| 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) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SPENCER WILLIAM D |
| Street | 1803 MEADOWVIEW LN |
| City | MARTINSVILLE |
| State | VA |
| Zip Code | 24112-5709 |
| Region | Eastern |
| County | Martinsville city |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1990-01-29 |
| Certificate Issue Date | 2022-11-21 |
| Last Action Date | 2022-11-21 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51205042 |
| Mode S Code Hex | A50A22 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4237S.
| Tail Number / N-Number | N4237S |
| Manufacturer | SIKORSKY |
| Model | S-76A |
| Manufacturer's Serial Number | 760012 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 14 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | AIR SIESTA INC |
| Street | 730 NOLANA LOOP SUITE 218 & 219 |
| City | MCALLEN |
| State | TX |
| Zip Code | 78504 |
| County | Martinsville city |
| Country | US |
| Certificate Issue Date | 1991-08-05 |
| Last Action Date | 1991-08-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1991-10-03 |
| Exported To | AUSTRALIA |