- Registered owner
- Dumont Associates Inc
- Location
- Morris Plains, NJ
- Owner type
- Corporation
- Serial number
- 5239
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Certificate issued
- September 2, 1987
- Expires
- May 31, 2028
- Mode S code
- A97093
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 85
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1981 | 1 |
|---|---|
| 1982 | 2 |
| 1983 | 2 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 3 |
| 1995 | 1 |
| 1996 | 1 |
| 1998 | 3 |
| 1999 | 1 |
| 2000 | 4 |
| 2001 | 3 |
| 2002 | 5 |
| 2003 | 7 |
| 2004 | 4 |
| 2005 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2010 | 5 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 8 |
| 2014 | 4 |
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2020 | 6 |
| 2021 | 15 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 8 |
Airframe · Aerospatiale AS355F TWINSTAR
AD 2026-20-08Tail rotor drive systemAD 2026-20-03Placards and MarkingsAD 2026-16-03Tail Rotor Drive SystemInformation bulletins that may apply · 3
Advisory, not mandatory.
NTSB investigations
No NTSB investigations matched to N707WRMatched 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 Aerospatiale AS355F TWINSTAR aircraft
FAA incident reports · 1
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Service difficulty reports · 4
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR 96ZZZX561Thrust Bearing · blisteredTHE MAIN ROTOR SPHERICAL THRUST BEARINGS HAVE BEEN MONITORED IN SERVICE ON THIS AIRCRAFT DUE TO THE WEAR OF THE ELASTOMER MATERIAL. THESE BEARINGS HAVE A HISTORY OF A SHORT LIFE IN RELATIONSHIP TO THEIR PUBLISHED LIFE LIMIT OF 6,400 HOURS.SDR 96ZZZX560Thrust Bearing · blisteredTHE MAIN ROTOR SPHERICAL THRUST BEARINGS HAVE BEEN MONITORED IN SERVICE ON THIS AIRCRAFT DUE TO THE WEAR OF THE ELASTOMER MATERIAL. THESE BEARINGS HAVE A HISTORY OF A SHORT LIFE IN RELATIONSHIP TO THEIR PUBLISHED LIFE LIMIT OF 6,400 HOURS.SDR 96ZZZX559Thrust Bearing · blisteredTHE MAIN ROTOR SPHERICAL THRUST BEARINGS HAVE BEEN MONITORED IN SERVICE ON THIS AIRCRAFT DUE TO THE WEAR OF THE ELASTOMER MATERIAL. THESE BEARINGS HAVE A HISTORY OF A SHORT LIFE IN RELATIONSHIP TO THEIR PUBLISHED LIFE LIMIT OF 6,400 HOURS.SDR 95ZZZX1090Blade · crackedDURING A PRE-FLIGHT INSPECTION, PILOT IDENTIFIED THE SUSPECTED DEFECT AND NOTIFIED MAINTENANCE. UPON INSPECTION, A CRACK WAS DETECTED ON THIS MAIN ROTOR BLADE AT STATION 1360MM. CRACK LENGTH WAS 150MM CORDWISE. AS355 MAIN ROTOR BLADES HAVE A HISTORY OF THIS
STCs that may be installed · 289
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.