Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N57612.
| Tail Number / N-Number | N57612 |
| Manufacturer | HILLER |
| Model | OH-23B |
| Manufacturer's Serial Number | 5116245 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 63 miles per hour |
| Type of Registrant | Government |
| Owner Name | AVIATION MAINTENANCE TECHNOLOGY |
| Other Names |
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| Street | BLDG 130 6000 16TH AVE S W |
| City | SEATTLE |
| State | WA |
| Zip Code | 98106 |
| Country | US |
| Certificate Issue Date | 1974-06-15 |
| Last Action Date | 1994-01-19 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1994-05-11 |
| Mode S Code | 51663511 |
| Mode S Code Hex | A76749 |