Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N9173Q.
| Tail Number / N-Number | N9173Q |
| Manufacturer | ALVAREZ JORGE TORRES |
| Model | CHALLENGER II |
| Year Built | 2001 |
| Manufacturer's Serial Number | CH2-1098-1795 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Kit Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Kit Model | CHALLENGER II |
| Type of Registrant | Individual |
| Owner Name | REGISTRATION PENDING |
| Street | 4649 E 250 N |
| City | RIGBY |
| State | ID |
| Zip Code | 83442-5972 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2001-08-06 |
| Last Action Date | 2013-06-05 |
| Last Status | Registration Pending – Canceled |
| Cancellation Date | 2015-05-20 |
| Mode S Code | 53131574 |
| Mode S Code Hex | ACB37C |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N9173Q.
| Tail Number / N-Number | N9173Q |
| Manufacturer | MCDONNELL DOUGLAS HELI CO |
| Model | 369FF |
| Manufacturer's Serial Number | 0122FF |
| 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 |
| Type of Registrant | Corporation |
| Owner Name | MCDONNELL DOUGLAS HELICOPTER CO |
| Street | 5000 E MCDOWELL ROAD |
| City | MESA |
| State | AZ |
| Zip Code | 85205 |
| Country | US |
| Last Action Date | 1996-04-16 |
| Last Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Cancellation Date | 1997-05-01 |
| Exported To | MEXICO |
| Mode S Code | 53131574 |
| Mode S Code Hex | ACB37C |