- Registered owner
- Airbus Helicopters Inc
- Location
- Grand Prairie, TX
- Owner type
- Non-citizen corporation
- Serial number
- 21525
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Certificate issued
- July 20, 2026
- Expires
- July 31, 2033
- Mode S code
- A4A8AC
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 20
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 2021 | 2 |
|---|---|
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 7 |
Airframe · Airbus Helicopters MBB-BK117 D-3
AD 2026-17-05Cabin Equipment/FurnishingsAD 2026-10-20Main Rotor Mast/SwashplateAD 2026-08-51Main rotor drive systemEmergency ADInformation bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N4HPMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Airbus Helicopters MBB-BK117 D-3 aircraft
FAA incident reports
No FAA accident or incident reports matched to N4HPMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Airbus Helicopters MBB-BK117 D-3 aircraft
Service difficulty reports
No reports matched to N4HPGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Airbus Helicopters MBB-BK117 D-3 aircraft
Reports on N4HP not matched to an aircraft · 2
They name N4HP, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
SDR 99ZZZX1391Guide Assy · malfunctionedLEFT UPPER SIDE OF CONTROL YOKE ROLLER IS DISENGAGING FROM SUPPORT GUIDE WHEN SIDE PRESSURE IS APPLIED TO YOKE. CESSNA HAS FOUND THAT THE CONTROL YOKES IN ARE NOT WELDED CORRECTLY. REPLACED YOKE AND LEFT GUIDE SUPPORT, OPS CHECKS NORMAL.SDR 99ZZZX1390Yoke Assy · malfunctionedLEFT UPPER SIDE OF CONTROL YOKE ROLLER IS DISENGAGING FROM SUPPORT GUIDE WHEN SIDE PRESSURE IS APPLIED TO YOKE. CESSNA HAS FOUND THAT THE CONTROL YOKES IN ARE NOT WELDED CORRECTLY. REPLACED YOKE AND LEFT GUIDE SUPPORT, OPS CHECKS NORMAL.
STCs that may be installed · 36
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 36 STCs