- Registered owners
- U S Department Of EnergyNevada Site Office
- Location
- Las Vegas, NV
- Owner type
- Government
- Serial number
- 36030
- Year built
- 1991
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Multiple
- Airworthiness date
- June 27, 1994
- Certificate issued
- September 27, 1993
- Expires
- April 30, 2028
- Mode S code
- A4D827
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Pratt & Whitney Canada PT6T-3 model are included below.
On this page
Airworthiness directives that may apply · 52
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1976 | 1 |
|---|---|
| 1978 | 1 |
| 1979 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1990 | 2 |
| 1992 | 1 |
| 1993 | 2 |
| 1994 | 2 |
| 1997 | 2 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 4 |
| 2002 | 1 |
| 2005 | 1 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 4 |
| 2013 | 6 |
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
See all 64 ADs
Information bulletins that may apply · 4
Advisory, not mandatory.
Historical bulletins · 1
NTSB investigations
No NTSB investigations matched to N411DEMatched 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 Bell 412 aircraft
FAA incident reports
No FAA accident or incident reports matched to N411DEMatched 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 Bell 412 aircraft
Service difficulty reports · 4
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR 99ZZZX2598Wire · deterioratedDURING PERFORMANCE OF A 300 HOUR/180 DAY INSPECTION, NOTED NUMEROUS AREAS IN THE ENGINE COMPARTMENT AND IN THE MAIN TRANSMISSION AREA WHERE THE 'YELLOW' COLORED WIRING INSULATION WAS CRACKED, SPLIT, AND FALLING OFF THE WIRING. FURTHER INVESTIGATION REVEALED TSDR 98ZZZX4354Splindle · failedDURING FLIGHT, PILOTS NOTED HELICOPTER HAD SUDDENLY DEVELOPED A VERTICAL AND LATERAL 'SHUFFLE' VIBRATION. UPON LANDING, MAINT INSPECTED ROTOR SYSTEM. THE MAIN ROTOR SPINDLE LASTOMERIC DAMPER BEARING ASSY ON THE 'RED' BLADE SPINDLE ASSY WAS FOUND SEPARATED FRSDR 98ZZZX3083Bolt · corrodedDURING A 300-HOUR INSPECTION, DISCOVERED ONE OF THE BOLTS IN THE 'BOOSTED CYCLIC' CONTROL SYSTEM WAS WORN AND NEEDED TO BE REPLACED. A NEW BOLT, P/N 212-001-323-001, WAS DRAWN OUT OF SPARES SUPPLY TO REPLACE THE WORN ITEM. UPON OPENING THE SEALED PACKAGE, NOSDR 98ZZZX735Flange · mismanufacturedRECEIVED A REPLACEMENT PART FROM BELL HELICOPTER FOR THE ROTOR BRAKE QUILL. THE REPLACEMENT FLANGE, PN 209-040-177-101, DID NOT HAVE THE SAME APPEARANCE IN THE SEAL CONTACT AREA AS THE REMOVED, IDENTICAL PART NUMBER ITEM. THE 'NEW' FLANGE APPEARS TO HAVE BEE
STCs that may be installed · 386
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 386 STCs