# N404AF: 2012 Robinson Helicopter R66

- Status: Valid registration
- Airframe: [Robinson Helicopter R66](https://openairdocs.org/model/robinson-helicopter-r66) (registry code 7640130, 5 seats)
- Engine: [Rolls-Royce 250-C300/A1](https://openairdocs.org/engine/rolls-royce-250-c300-a1) (registry code 54232)
- Data sheets: [TCDS R00015LA](https://openairdocs.org/tcds/R00015LA) (Robinson Helicopter Company), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (Rolls-Royce Corporation) (OpenAirDocs)
- Serial number: 0081
- Year built: 2012
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, normal
- Airworthiness date: July 2, 2024
- Certificate issued: November 19, 2024
- Expires: November 30, 2031
- Mode S code: A4BB83
- Registered owner: [Calf Savers LLC](https://openairdocs.org/faa-owner/CALF%20SAVERS%20LLC)
- Location: [Albert Lea, MN](https://openairdocs.org/faa-place/MN/Albert%20Lea)
- Owner type: LLC
- Owner's area on the map: 43.6609° N, 93.3246° W: Placed by OpenAirDocs at the center of ZIP code 56007, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=404AF
- Page: https://openairdocs.org/aircraft/N404AF

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 8 in force

### Matched by airframe (Robinson Helicopter R66)

- [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07): Emergency Equipment; Emergency Flotation Section · Apical Emergency Float Kit, P/N 20498 (STC SR00780LA or 12 others). Effective Dec 5, 2024
- [AD 2024-04-02](https://openairdocs.org/ad/2024-04-02): Tail Rotor Blades · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 4 more. Effective Apr 2, 2024
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2022-19-12](https://openairdocs.org/ad/2022-19-12): Tail Rotor Blades · Robinson Helicopter R44, R44 II and R66. Effective Oct 20, 2022
- [AD 2021-04-12](https://openairdocs.org/ad/2021-04-12): Tail Rotor Drive Shaft · Robinson Helicopter R66. Effective Apr 12, 2021
- [AD 2019-07-02](https://openairdocs.org/ad/2019-07-02): Engine Oil Storage (Airframe Furnished) · Robinson Helicopter R66. Effective May 17, 2019
- [AD 2016-26-04](https://openairdocs.org/ad/2016-26-04): Main Rotor Blades · Robinson Helicopter R44, R44 II and R66. Effective Feb 8, 2017

### Matched by engine (Rolls-Royce 250-C300/A1)

- [AD 2022-10-06](https://openairdocs.org/ad/2022-10-06): Turbine Section · Rolls-Royce 250-C20, 250-C20B, 250-C20C (T63-A-720) and 9 more. Effective Jun 28, 2022

### Historical (superseded or no longer in force)

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021
- [AD 2017-18-14](https://openairdocs.org/ad/2017-18-14) (historical): Turbine Section · Rolls-Royce 250-C20, 250-C20B, 250-C20F and 8 more. Effective Oct 13, 2017

## Information bulletins (advisory) (5 in force)

- [SAIB AIR-22-03](https://openairdocs.org/saib/AIR-22-03): Robinson Helicopter Company Model R22, R44, and R66 Helicopters; Emergency Locator Transmitter Retention. Issued Mar 3, 2022
- [SAIB AIR-21-14](https://openairdocs.org/saib/AIR-21-14): Robinson R44 and R66 HeliSAS Autopilot/Garmin Primary Flight Display (PFD) Interface. Issued Aug 24, 2021
- [SAIB AIR-21-11](https://openairdocs.org/saib/AIR-21-11): ROTORCRAFT SERVO SYSTEM (JASC 6730). Issued Jul 22, 2021
- [SAIB SW-20-01](https://openairdocs.org/saib/SW-20-01): Electrical Power System - Battery Electrolyte Leakage. Issued Mar 6, 2020
- [SAIB SW-15-08R1](https://openairdocs.org/saib/SW-15-08R1): Robinson R44 and R44 Main Rotor Blades. Issued Mar 31, 2015

## NTSB investigations

None matched to N404AF.

## FAA accident and incident reports

None matched to N404AF.

## Reports on N404AF not matched to an aircraft (1)

They name N404AF, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19870122004099I](https://openairdocs.org/incident/19870122004099I), Jan 22, 1987: Piper PA31T (N404AF), Lamar, CO. Rapid decompression followed by emergency descent. Found heating and ventilation duct loose on housing.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (34)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Robinson Helicopter R66)

- [STC SR02447AK](https://openairdocs.org/stc/SR02447AK): Installation of the ZW Aviation LLC R66 Utility Camera Mount. Gyro-Stabilized Systems LLC
- [STC SR09651RC](https://openairdocs.org/stc/SR09651RC): Installation of Night Vision Goggle (NVG) Compatible Lighting System. REB Technologies Inc
- [STC SR01980WI](https://openairdocs.org/stc/SR01980WI): Installation of Garmin GI 275 Multi-Function Instrument. Garmin International Inc
- [STC SR03512AT](https://openairdocs.org/stc/SR03512AT): Installation of HID Landing and Taxi Lights. Whelen Aerospace Technologies
- [STC SR02553LA](https://openairdocs.org/stc/SR02553LA): Installation of HeliSAS®/Autopilot System. S-TEC Corporation
- [STC SR00017IB](https://openairdocs.org/stc/SR00017IB): Installation of an agricultural spray system. AirLift Technologies Ltd
- [STC SR02447SE](https://openairdocs.org/stc/SR02447SE): Fabrication of Onboard Systems International R66 Cargo Hook Suspension System. Onboard Systems International
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR02736LA](https://openairdocs.org/stc/SR02736LA): Installation of Skid Step. Longhorn Aviation Services LLC
- [STC SR02124SE](https://openairdocs.org/stc/SR02124SE): Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality;. Garmin International Inc
- [STC SR02432NY](https://openairdocs.org/stc/SR02432NY): Installation of Helitowcart Bear Paw Models BP350, BP44 or BP130. Dart Aerospace Ltd
- [STC SR02521AK](https://openairdocs.org/stc/SR02521AK): Installation of bicycle racks. Robbie Rack LLC
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SR02629SE](https://openairdocs.org/stc/SR02629SE): Installation of Model 266 Spray System. Simplex Manufacturing Company
- [STC SR02290AK](https://openairdocs.org/stc/SR02290AK): Manufacture tundra/snow boards, Install and maintain. Pollux Aviation Ltd
- [STC SR02592SE](https://openairdocs.org/stc/SR02592SE): nstallation of a Supplemental Lighting System manufactured and installed. Aviation Specialties Unlimited Inc
- [STC SR00805NY](https://openairdocs.org/stc/SR00805NY): Manufacture and installation of bearpaws. Northeast Engr & Dev Ltd
- [STC SR04040NY](https://openairdocs.org/stc/SR04040NY): Installation of Wire Strike Protection System. Magellan Aerospace
- [STC SR00387BO](https://openairdocs.org/stc/SR00387BO): Installation of Avidyne 700-00182-XXX IFD5XX and 700-00179-XXX IFD4XX Series Integrated Flight Displays (IFD). Avidyne Corporation
- [STC SR02660LA](https://openairdocs.org/stc/SR02660LA): Installation of Nose Utility Mount. Airfilm Camera Systems
- [STC SR03917NY](https://openairdocs.org/stc/SR03917NY): Installation of the Heli-Utility-Basket. Dart Aerospace Limited
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC
- [STC SR00101RD](https://openairdocs.org/stc/SR00101RD): Installation of an agricultural spray system which includes an external spray boom, external tank, motor driven pump, plumbing, compressor and pneumatic components, and cockpit controls. AirLift Technologies, Ltd
- [STC SR04158CH](https://openairdocs.org/stc/SR04158CH): Installation of a fuel flow adapter. Shadin Avionics
- [STC SR00840DE](https://openairdocs.org/stc/SR00840DE): Installation of the Rosen Sunvisor System into the Robinson R22. R44 and R66. Rosen Sunvisor Systems LLC
- [STC SR02470AK](https://openairdocs.org/stc/SR02470AK): Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System. ADS-B Technologies, LLC
- [STC SR02471AK](https://openairdocs.org/stc/SR02471AK): Installation of the L-3 Communications NGT -9000/9000R ADS-B System. ADS-B Technologies, LLC
- [STC SR03515NY](https://openairdocs.org/stc/SR03515NY): Installation of the D066-1004-011 Primary Cargo Hook. Dart Aerospace Limited
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC
- [STC SR03460NY](https://openairdocs.org/stc/SR03460NY): Installation of Interior Protector Kits. Dart Aerospace Limited
- [STC SR02484LA](https://openairdocs.org/stc/SR02484LA): Installation of Apical Industries, Inc. Emergency Float Kits. Apical Industries, Inc. dba Dart Aerospace
- [STC SR03370NY](https://openairdocs.org/stc/SR03370NY): Installation of Bearpaws. Dart Aerospace Limited
- [STC SR03369NY](https://openairdocs.org/stc/SR03369NY): Installation of Cargo Mirror. Dart Aerospace Limited
- [STC SR00318BO](https://openairdocs.org/stc/SR00318BO): Installation of external Cargo Hookup Mirror. Firefly Inc

## Earlier aircraft with N404AF

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N404AF before.

- [Cancelled 2024-04-17](https://openairdocs.org/deregistered/N404AF-2024-04-17): Robinson Helicopter R66, S/N 0478, built 2013. Exported to Greece. Owner: [Air First LLC](https://openairdocs.org/faa-owner/AIR%20FIRST%20LLC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell)
- [Cancelled 2009-07-29](https://openairdocs.org/deregistered/N404AF-2009-07-29): Moore Glenn MORONCA, S/N 005, built 2008. Owner: [Moore Glenn G](https://openairdocs.org/faa-owner/MOORE%20GLENN%20G), [Burgaw, NC](https://openairdocs.org/faa-place/NC/Burgaw)

## Related

- Other Robinson Helicopter R66 aircraft: https://openairdocs.org/model/robinson-helicopter-r66/aircraft.md
- The Rolls-Royce 250-C300/A1 engine: https://openairdocs.org/engine/rolls-royce-250-c300-a1.md

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