- Registered owner
- Ntm Foundation
- Location
- Bend, OR
- Owner type
- Corporation
- Serial number
- 0579
- Year built
- 2015
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Standard, normal
- Airworthiness date
- January 7, 2015
- Certificate issued
- August 24, 2016
- Expires
- August 31, 2029
- Mode S code
- A81B09
Robinson Helicopter R66TCDS R00015LAAirframe · Robinson Helicopter R66TCDS E4CEEngine · Rolls-Royce 250-C300/A1
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 8
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 2017 | 2 |
|---|---|
| 2019 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
Airframe · Robinson Helicopter R66
AD 2024-20-07Emergency Equipment; Emergency Flotation SectionAD 2024-04-02Tail Rotor BladesAD 2023-11-07Ground Proximity SystemAD 2022-19-12Tail Rotor BladesAD 2021-04-12Tail Rotor Drive ShaftAD 2019-07-02Engine Oil Storage (Airframe Furnished)AD 2016-26-04Main Rotor BladesEngine · Rolls-Royce 250-C300/A1
AD 2022-10-06Turbine SectionSuperseded and historical ADs · 2
Information bulletins that may apply · 5
Advisory, not mandatory.
Airframe · Robinson Helicopter R66
SAIB AIR-22-03Robinson Helicopter Company Model R22, R44, and R66 Helicopters; Emergency Locator Transmitter RetentionSAIB AIR-21-14Robinson R44 and R66 HeliSAS Autopilot/Garmin Primary Flight Display (PFD) InterfaceSAIB AIR-21-11Rotorcraft Servo System (Jasc 6730)SAIB SW-20-01Electrical Power System - Battery Electrolyte LeakageSAIB SW-15-08R1Robinson R44 and R44 Main Rotor BladesNTSB investigations
No NTSB investigations matched to N621MBMatched 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 Robinson Helicopter R66 aircraft
FAA incident reports
No FAA accident or incident reports matched to N621MBMatched 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 Robinson Helicopter R66 aircraft
Service difficulty reports
No reports matched to N621MBGeneral 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 Robinson Helicopter R66 aircraft
STCs that may be installed · 34
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 34 STCs
Earlier aircraft with this N-number · 1
This aircraft carried N621MB before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.