| Tail Number / N-Number | N1EM |
| Manufacturer | MUEHLBERG STEPHEN E |
| Model | AVENGER |
| Year Built | 2008 |
| Manufacturer's Serial Number | A0065 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| 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 |
| Type of Registrant | Individual |
| Owner Name | MUEHLBERG STEPHEN E |
| Street | 954 REDBUD LN |
| City | NEWCASTLE |
| State | OK |
| Zip Code | 73065-6069 |
| Region | Southwestern |
| County | McClain County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-10-17 |
| Certificate Issue Date | 1996-09-27 |
| Last Action Date | 2020-12-15 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 50000162 |
| Mode S Code Hex | A00072 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1EM.
| Tail Number / N-Number | N1EM |
| Manufacturer | LOCKHEED |
| Model | 1329 |
| Year Built | 1966 |
| Manufacturer's Serial Number | 5077 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 371 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | INTERNATIONAL AIR SERVICE CO LTD |
| Street | 1277 AIRPORT BLVD |
| City | SAN JOSE |
| State | CA |
| Zip Code | 95110 |
| Region | Western-Pacific |
| County | McClain County |
| Country | US |
| Certificate Issue Date | 1976-06-09 |
| Last Status | Valid Registration |
| Cancellation Date | 1976-09-07 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1EM.
| Tail Number / N-Number | N1EM |
| Manufacturer | MUEHLBERG STEPHEN E |
| Model | MONI |
| Manufacturer's Serial Number | 192 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| County | McClain County |
| Last Action Date | 1989-06-16 |
| Last Status | N-Number assigned as a Non Type Certificated aircraft – but has not yet been registered |
| Cancellation Date | 1996-09-14 |