| Tail Number / N-Number | N18GH |
| Manufacturer | MCDONNELL DOUGLAS HELICOPTER |
| Model | 500N |
| Manufacturer's Serial Number | LN014 |
| 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) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C20R |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Type of Registrant | Government |
| Owner Name | CITY AND COUNTY OF HONOLULU |
| Street | 530 S KING ST RM 300 |
| City | HONOLULU |
| State | HI |
| Zip Code | 96813-3019 |
| Region | Western-Pacific |
| County | Honolulu County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-08-17 |
| Certificate Issue Date | 2017-08-23 |
| Last Action Date | 2020-07-23 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 50237361 |
| Mode S Code Hex | A13EF1 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N18GH.
| Tail Number / N-Number | N18GH |
| Manufacturer | HAGOOD |
| Model | PIETENPOL AIR-CAMPER |
| Manufacturer's Serial Number | GH1 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CUNNINGHAM TIMOTHY B |
| Street | 1117 SE 80TH ST |
| City | RUNNELLS |
| State | IA |
| Zip Code | 50237-2002 |
| County | Honolulu County |
| Country | US |
| Certificate Issue Date | 1999-03-19 |
| Last Action Date | 1999-03-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1999-06-30 |