| Tail Number / N-Number | N400MB |
| Manufacturer | MCDONNELL DOUGLAS HELICOPTER |
| Model | 369E |
| Year Built | 1990 |
| Manufacturer's Serial Number | 0420E |
| 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 | ALLISON |
| Engine Model | 250-C20 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 420 hp (313 kW) |
| Type of Registrant | LLC |
| Owner Name | PRECISION HELI-SUPPORT LLC |
| Street | 4702 E FIGHTER ACES DR |
| City | MESA |
| State | AZ |
| Zip Code | 85215-2502 |
| Region | Western-Pacific |
| County | Maricopa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1990-12-21 |
| Certificate Issue Date | 2018-04-24 |
| Last Action Date | 2021-04-15 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51126666 |
| Mode S Code Hex | A4ADB6 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N400MB.
| Tail Number / N-Number | N400MB |
| Manufacturer | SIKORSKY |
| Model | S-76 |
| Manufacturer's Serial Number | 760066 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 14 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | SIKORSKY AIRCRAFT |
| Street | ATTN: RAY KRATOVIL GENERAL DELIVERY |
| City | STRATFORD |
| State | CT |
| Zip Code | 06602 |
| Region | New England |
| County | Maricopa County |
| Last Status | Valid Registration |
| Cancellation Date | 1979-03-16 |