| Tail Number / N-Number | N4006U |
| Type of Reservation | Reserved to manufacturer - no fee, no expiration date |
| Reserving Party Name | MD HELICOPTERS INC |
| Street | 4555 E MCDOWELL RD |
| City | MESA |
| State | AZ |
| Zip Code | 85215-9734 |
| Date Reserved | 2019-02-22 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4006U.
| Tail Number / N-Number | N4006U |
| Manufacturer | AYRES CORPORATION |
| Model | S-2R |
| Year Built | 1978 |
| Manufacturer's Serial Number | 2500R |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R1340 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 600 hp (448 kW) |
| Type of Registrant | Corporation |
| Owner Name | RUHE SALES INC |
| Street | 5450 STATE ROUTE 109 |
| City | LEIPSIC |
| State | OH |
| Zip Code | 45856-9438 |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1978-10-26 |
| Certificate Issue Date | 2005-09-21 |
| Last Action Date | 2006-09-12 |
| Last Status | Valid Registration |
| Cancellation Date | 2007-08-10 |
| Exported To | ISRAEL |