# N480M: Enstrom Helicopter 480B

- Status: Valid registration
- Airframe: [Enstrom Helicopter 480B](https://openairdocs.org/model/enstrom-helicopter-480b) (registry code 3300561, 5 seats)
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE) (The Enstrom Helicopter Corporation) (OpenAirDocs)
- Serial number: 5222
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Certificate issued: June 2, 2026
- Expires: June 30, 2033
- Mode S code: A5E9AC
- Registered owner: [New Course Aviation Co](https://openairdocs.org/faa-owner/NEW%20COURSE%20AVIATION%20CO)
- Location: [Golden, CO](https://openairdocs.org/faa-place/CO/Golden)
- Owner type: Corporation
- Owner's area on the map: 39.7189° N, 105.2353° W: Placed by OpenAirDocs at the center of ZIP code 80401, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=480M
- Page: https://openairdocs.org/aircraft/N480M

From the FAA registry file of October 24, 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): 6 in force

### Matched by airframe (Enstrom Helicopter 480B)

- [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 2017-26-03](https://openairdocs.org/ad/2017-26-03): Main Rotor System · Enstrom Helicopter Corporation, The 280, 280C, 280F and 11 more. Effective Jan 4, 2018
- [AD 2012-11-05](https://openairdocs.org/ad/2012-11-05): Main Rotor Control · Enstrom Helicopter Corporation, The 280C, 280F, 280FX and 6 more. Effective Jul 3, 2012
- [AD 2007-11-02](https://openairdocs.org/ad/2007-11-02): Main rotor push-pull control rod (push-pull rod) · Enstrom Helicopter Corporation, The 280, 280C, 280F and 7 more. Effective Oct 2, 2007
- [AD 2007-16-01](https://openairdocs.org/ad/2007-16-01): Main rotor blade retention pin (retention pin) · Enstrom Helicopter Corporation, The 280, 280C, 280F and 11 more. Effective Aug 15, 2007
- [AD 2001-25-02](https://openairdocs.org/ad/2001-25-02): Hub Plates · Enstrom Helicopter Corporation, The 480, 480B and TH-28. Effective Jan 15, 2002

### Historical (superseded or no longer in force)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 2011-26-10](https://openairdocs.org/ad/2011-26-10) (historical): Cyclic trim system · Enstrom Helicopter Corporation, The 280C, 280F, 280FX and 6 more. Effective Jan 23, 2012

## Information bulletins (advisory) (2 in force)

- [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012
- [SAIB SW-05-81](https://openairdocs.org/saib/SW-05-81): . Issued Aug 17, 2005

## NTSB investigations

None matched to N480M.

## FAA accident and incident reports

None matched to N480M.

## Reports on N480M not matched to an aircraft (1)

They name N480M, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 20180509005029I](https://openairdocs.org/incident/20180509005029I), May 9, 2018: Hawker Beechcraft Corp 400A (N480M), Kissimmee, FL, Minor damage. After landing while taxiing to signature flight support the right main landing gear wheel separated due to shearing of the support bolts.

## 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.

## Service difficulty reports on N480M not matched to an aircraft (7)

They name N480M, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR 9JLA2022072830649](https://openairdocs.org/sdr/9JLA2022072830649), Jul 20, 2022: CIRCUIT BREAKER. INOPERATIVE. THE FLIGHT CREW REPORTED THE VAPOR CYCLE AIR CONDITIONING INOPERATIVE. THE MAINTENANCE PROVIDER DETERMINED THAT THE SYSTEM CIRCUIT BREAKER WAS DEFECTIVE. THE MA
- [SDR 9JLA2021112330607](https://openairdocs.org/sdr/9JLA2021112330607), Nov 14, 2021: CABLE. BROKEN. THE FLIGHT CREW REPORTED THE PARKING BRAKE WAS INOP. (AIRCRAFT BRAKING OK) THE MAINTENANCE TEAM DISCOVERED THAT THE PARK BRAKE CABLE WAS BROKEN AT THE PULL HAND
- [SDR 9JLA2021052728380](https://openairdocs.org/sdr/9JLA2021052728380), May 4, 2021: MASTER SWITCH. DEFECTIVE. THE FLIGHT CREW REPORTED THAT THE EMERGENCY BATTERY WOULD NOT DISCONNECT WHEN SELECTED OFF. THE MAINTENANCE VENDOR TROUBLESHOT AND SUSPECTED THE RIGHT GENERATOR
- [SDR 9JLA2021010828358](https://openairdocs.org/sdr/9JLA2021010828358), Dec 13, 2020: TRANSPONDER. MALFUNCTIONED. IT WAS REPORTED FROM AIR TRAFFIC CONTROL (ATC) THAT THE AIRCRAFTS NR 1 TRANSPONDER SYSTEM WAS NOT TRANSMITTING MODE C ON MULTIPLE LEGS. THE MAINTENANCE VENDOR F
- [SDR 9JLA2018060818860](https://openairdocs.org/sdr/9JLA2018060818860), May 5, 2018: BOLT. FAILED. DURING TAXI AFTER LANDING, THE RT MAIN LANDING GEAR OUTBOARD WHEEL HALF SEPARATED FROM THE INNER WHEEL HALF, THE RT MAIN LANDING GEAR TIRE SEPARATED FROM THE IN
- [SDR 2007FA0000914](https://openairdocs.org/sdr/2007FA0000914), Oct 3, 2007: FITTING. LOOSE. WHILE PERFORMING AN A-D INSPECTION FOUND 8 LOOSE RIVETS IN THE FORWARD RIVET LINE OF THE ATTACHMENT PIVOT FITTING PN 45A21183-11 ON THE BOTTOM OF THE HORIZONTAL
- [SDR 2007FA0000912](https://openairdocs.org/sdr/2007FA0000912), Oct 1, 2007: WINDOW. CRACKED. WHILE PERFORMING A SCHEDULED A-D INSPECTION FOUND NR 2 (COPILOT) SIDE WINDOW CRACKED USING THE PRISM INSPECTION METHOD. THE D-INSPECTION REQUIRES THAT BOTH WIND

## STCs that may be installed (OpenAirDocs) (21)

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 (Enstrom Helicopter 480B)

- [STC SR02813CH](https://openairdocs.org/stc/SR02813CH): Fabrication of Isolair Innovator II Model 3900-480 Spray System. Isolair Inc
- [STC SR04637CH](https://openairdocs.org/stc/SR04637CH): Replacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control Panel. Airwolf Aerospace LLC
- [STC SR02120SE](https://openairdocs.org/stc/SR02120SE): Installation of Garmin GTN 6XX/7XX Navigation System. Garmin International Inc
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR01067DE](https://openairdocs.org/stc/SR01067DE): Installation of main battery replacement with Concorde Lead-Acid battery. Concorde Battery Corporation
- [STC SR03346CH](https://openairdocs.org/stc/SR03346CH): Installation of provisions for external equipment. Certex Aviation 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 SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, 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 SR03465CH](https://openairdocs.org/stc/SR03465CH): Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-ECD-084-280, or AA-ECD-084-480. Airwolf Aerospace LLC
- [STC SR03520NY](https://openairdocs.org/stc/SR03520NY): Installation of Rotor Head Cover. Spitfire Aerospace, LLC
- [STC SR03208CH](https://openairdocs.org/stc/SR03208CH): Installation of Lifeport, Inc. MedDeck Litter Kit. Helicopter Specialties, Inc
- [STC SR09643RC](https://openairdocs.org/stc/SR09643RC): Installation of the L3 AN/AR-154 TACAN System and Sandel SN3500 EHSI System. Helicopter Specialties, Inc
- [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 SR03353CH](https://openairdocs.org/stc/SR03353CH): Installation of Aspen Avionics Evolution Primary and Multi-Functional Flight Displays. AspenSTC Inc
- [STC SR02232LA](https://openairdocs.org/stc/SR02232LA): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin AT Inc
- [STC SR01430LA](https://openairdocs.org/stc/SR01430LA): Installation of Stainless Steel Skid shoes. Papas Gary Los Angeles Laboratories Inc
- [STC SA00061LA](https://openairdocs.org/stc/SA00061LA): Installation of JPI digital tachometer. J P Instruments
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International

## Earlier aircraft with N480M

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N480M before.

- [Cancelled 2002-01-07](https://openairdocs.org/deregistered/N480M-2002-01-07): Piper PA46-500TP, S/N 4697108, built 2001. Exported to Denmark. Owner: [Aircraft Guaranty Title Corp Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20GUARANTY%20TITLE%20CORP%20TRUSTEE), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston)
- [Cancelled 1958-02-28](https://openairdocs.org/deregistered/N480M-1958-02-28): Mooney M-18C, S/N 235. Exported to Canada. Owner: [Charlton Arthur D](https://openairdocs.org/faa-owner/CHARLTON%20ARTHUR%20D), Ontario

## Related

- Other Enstrom Helicopter 480B aircraft: https://openairdocs.org/model/enstrom-helicopter-480b/aircraft.md

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