Type Record · As of May 3, 2026
ENSTROM HELICOPTER CORP 480
Rotorcraft · ALLISON 250 SER
Registered
14
Year Range
1993–2002
NTSB Events
2
Airworthiness Directives
22
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered ENSTROM HELICOPTER CORP 480 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- OR 15.4% 2
- WA 15.4% 2
- ME 7.7% 1
- WI 7.7% 1
- CA 7.7% 1
- NY 7.7% 1
- TX 7.7% 1
- NM 7.7% 1
- VT 7.7% 1
- NJ 7.7% 1
+1 more states
By Decade of Manufacture
- 1990s 85.7% 12
- 2000s 7.1% 1
- Unknown 7.1% 1
02 / NTSB Records
Events involving ENSTROM HELICOPTER CORP 480 aircraft
2 event(s) on file. Showing the most recent 2.
-
Aug 5, 2005
N480FXGoshen, Indiana Serious
NTSB Docket → -
Sep 16, 1998
N142CCGREEN BAY, Wisconsin
NTSB Docket →
02c / Academic Research
Scholarly work mentioning ENSTROM HELICOPTER CORP 480
Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.
- NASA NTRS 2019 · Abstract
Convective Weather Avoidance with Uncertain Weather Forecasts
Convective weather events have a disruptive impact on air traffic both in terminal area and in en-route airspaces. In order to make sure that the national air transportation system is safe and efficie…
- NASA NTRS 2019 · Conference Paper
Constitutive modelling of single crystal and directionally solidified superalloys
The trend towards improved engine efficiency and durability places increasing demands on materials that operate in the hot section of the gas turbine engine.
- Embry-Riddle Scholarly Commons 2016 · Conference paper
Late Afternoon Concurrent Sessions: GSIS Symposium: UAS Collaboration & Research Opportunities: Presentation: Adaptation of Forward Military Airspace Management Systems for Civilian UAS Emergency Services Operations
Potential use of unmanned aircraft system (UAS) to save lives, improve safety, and protect property has generated preliminary research in three major areas of the fire service, including aviation, str…
- NASA NTRS 2013 · Conference Paper
Thermodynamic and fluid mechanic analysis of rapid pressurization in a dead-end tube
Three models have been applied to very rapid compression of oxygen in a dead-ended tube. Pressures as high as 41 MPa (6000 psi) leading to peak temperatures of 1400 K are predicted.
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to ENSTROM HELICOPTER CORP 480
22 directive(s) on file. Showing the most recent 22.
-
Jan 17, 2018
Airworthiness Directives; The Enstrom Helicopter Corporation Helicopters
We are superseding Airworthiness Directive (AD) 2015-08-51 for the Enstrom Helicopter Corporation (Enstrom) Model F-28A, 280, F-28C, F-28C-2, F-28C-2R, 280C, F-28F, F-28F-R, 280F, 280FX, and 480 helicopters. AD 2015-08-51 required an inspection of the main rotor spindle (spindle) and reporting the inspection results t…
-
Dec 20, 2017
Airworthiness Directives; The Enstrom Helicopter Corporation Helicopters
We are adopting a new airworthiness directive (AD) for the Enstrom Helicopter Corporation (Enstrom) Model F-28, F-28A, F-28C, F- 28C-2, F-28C-2R, F-28F, F-28F-R, TH-28, 280, 280C, 280F, 280FX, 480, and 480B helicopters. This AD requires inspecting certain rod end bearing assemblies. This AD is prompted by an accident.…
-
Mar 2, 2017
Airworthiness Directives; The Enstrom Helicopter Corporation
We propose to supersede airworthiness directive (AD) 2015-08- 51 for Enstrom Helicopter Corporation (Enstrom) Model F-28A, 280, F- 28C, F-28C-2, F-28C-2R, 280C, F-28F, F-28F-R, 280F, 280FX, and 480 helicopters. AD 2015-08-51 requires an inspection of the main rotor spindle (spindle) and reporting the inspection result…
-
May 18, 2015
Airworthiness Directives; The Enstrom Helicopter Corporation
We are publishing a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28A, 280, F-28C, F- 28C-2, F-28C-2R, 280C, F-28F, F-28F-R, 280F, 280FX, and 480 helicopters. This AD was sent previously to all known U.S. owners and operators of these helicopters and supersedes Emergency AD (EAD…
-
Jun 18, 2012
Airworthiness Directives; Enstrom Helicopter Corporation Helicopters
We are superseding an existing airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28C, F-28C-2, F- 28F, 280C, 280F, 280FX, TH-28, 480, and 480B helicopters to add another trim relay to the applicability and to revise the modification instructions. This AD is prompted by the discovery tha…
-
Jan 6, 2012
Airworthiness Directives; Enstrom Helicopter Corporation Helicopters
We are adopting a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28C, F-28C-2, F-28F, 280C, 280F, 280FX TH-28, 480, and 480B helicopters with certain trim relays to require modifying and testing the lateral and longitudinal cyclic trim actuator assemblies. This AD was prompted by…
-
Aug 28, 2007
Airworthiness Directives; Enstrom Helicopter Corporation Model F-28A, F-28C, F-28F, TH-28, 280, 280C, 280F, 280FX, 480, and 480B Helicopters
This amendment adopts a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28A, F-28C, F-28F, TH- 28, 280, 280C, 280F, 280FX, 480, and 480B helicopters that requires determining the installation dates for each main rotor push-pull control rod (push-pull rod), inspecting the push-pull…
-
Jul 31, 2007
Airworthiness Directives; Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28C-2, F-28C-2R, F-28F, F-28F-R, 280, 280C, 280F, 280FX, TH-28, 480, and 480B Helicopters
This amendment adopts a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28, F-28A, F-28C, F- 28C-2, F-28C-2R, F-28F, F-28F-R, 280, 280C, 280F, 280FX, TH-28, 480, and 480B helicopters. This action requires a visual check to determine if a certain serial-numbered main rotor blade re…
-
Jan 8, 2007
Airworthiness Directives; Enstrom Helicopter Corporation Model F-28A, F-28C, F-28F, TH-28, 280, 280C, 280F, 280FX, 480, and 480B Helicopters
This document proposes adopting a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28A, F-28C, F-28F, TH-28, 280, 280C, 280F, 280FX, 480, and 480B helicopters. The AD would require determining the installation dates for each main rotor push-pull control rod (push-pull rod), inspect…
-
Aug 3, 2006
Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) (RRC) 250-B and 250-C Series Turboshaft and Turboprop Engines
The FAA is superseding an existing airworthiness directive (AD) for RRC 250-B and 250-C series turboshaft and turboprop engines. That AD currently requires a onetime inspection of the fuel nozzle screen for contamination, and if contamination is found, inspection and cleaning of the entire aircraft fuel system before…
-
Jun 21, 2006
Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) 250-B and 250-C Series Turboprop and Turboshaft Engines
The FAA is adopting a new airworthiness directive (AD) for Rolls-Royce Corporation 250-B and 250-C series turboprop and turboshaft engines with certain part numbers (P/Ns) of gas producer rotor assembly tie bolts manufactured by EXTEX Ltd., Pacific Sky Supply Inc., Rolls- Royce Corporation (RRC), and Superior Air Part…
-
Nov 10, 2005
Airworthiness Directives; Rolls-Royce Corporation (formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) 250-B and 250-C Series Turboprop and Turboshaft Engines
The FAA proposes to adopt a new airworthiness directive (AD) for Rolls-Royce Corporation 250-B and 250-C series turboprop and turboshaft engines with certain part numbers (P/Ns) of gas producer rotor assembly tie bolts manufactured by EXTEX Ltd., Pacific Sky Supply Inc., Rolls-Royce Corporation (RRC), and Superior Air…
-
Oct 18, 2005
Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) (RRC) 250-B and 250-C Series Turboshaft and Turboprop Engines
The FAA proposes to supersede an existing airworthiness directive (AD) for certain RRC 250-B and 250-C series turboshaft and turboprop engines. That AD currently requires a onetime inspection of the fuel nozzle screen for contamination, and if contamination is found, inspection and cleaning of the entire aircraft fuel…
-
Jan 4, 2005
Airworthiness Directives; Rolls-Royce Corporation (formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) 250-B and 250-C Series Turboprop and Turboshaft Engines
The FAA is adopting a new airworthiness directive (AD) for Rolls-Royce Corporation (RRC) 250-B and 250-C series turboprop and turboshaft engines with certain part numbers (P/Ns) of compressor adaptor couplings manufactured by Alcor Engine Company (Alcor), EXTEX Ltd. (EXTEX), RRC, and Superior Air Parts (SAP) installed…
-
Dec 1, 2004
Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) (RRC) 250-B and 250-C Series Turboshaft and Turboprop Engines
The FAA is adopting a new airworthiness directive (AD) for certain RRC 250-B and 250-C series turboshaft and turboprop engines. This AD requires a onetime inspection of the fuel nozzle screen for contamination, and if contamination is found, inspection and cleaning of the entire aircraft fuel system before further fli…
-
Jul 1, 2004
Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) 250-B and 250-C Series Turbofan and Turboshaft Engines
The FAA proposes to adopt a new airworthiness directive (AD) for Rolls-Royce Corporation (RRC) 250-B and 250-C series turbofan and turboshaft engines with certain part numbers (PNs) of compressor adaptor couplings manufactured by Alcor Engine Company (Alcor), EXTEX Ltd. (EXTEX), RRC, and Superior Air Parts (SAP) insta…
-
May 7, 2004
Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) (RRC) 250-B and 250-C Series Turboshaft and Turboprop Engines
The FAA proposes to adopt a new airworthiness directive (AD) for certain RRC 250-B and 250-C series turboshaft and turboprop engines. This proposed AD would require a one-time inspection of the fuel nozzle screen for contamination, and if contamination is found, inspection and cleaning of the entire aircraft fuel syst…
-
Dec 11, 2001
Airworthiness Directives; Enstrom Helicopter Corporation Model TH-28 and 480 Helicopters
This amendment adopts a new airworthiness directive (AD) for Enstrom Helicopter Corporation (EHC) Model TH-28 and 480 helicopters. This AD requires establishing a life limit for certain upper and lower main rotor hub plates of 5000 hours time-in-service (TIS), creating a component history card or equivalent record, an…
-
Sep 18, 2001
Airworthiness Directives; Enstrom Helicopter Corporation Model TH-28 and 480 Helicopters
This document proposes the adoption of a new airworthiness directive (AD) for Enstrom Helicopter Corporation (EHC) Model TH-28 and 480 helicopters. The AD would require establishing a life limit for certain upper and lower main rotor hub plates of 5000 hours time-in- service (TIS), creating a component history card or…
-
Apr 25, 2000
Airworthiness Directives; Allison Engine Company 250-C18 and -C20 Series Turboshaft Engines
This document proposes to adopt a new airworthiness directive (AD), applicable to Allison Engine Company 250-C18 and -C20 series turboshaft engines. This proposal would require a one-time visual inspection of the fuel nozzle screen for contamination. If contamination is found, this proposal would require, prior to fur…
-
Dec 3, 1998
Airworthiness Directives; Allison Engine Company 250-B and 250-C Series Turboshaft and Turboprop Engines
This amendment adopts a new airworthiness directive (AD), applicable to certain Allison Engine Company 250-B and 250-C series turboshaft and turboprop engines, that requires replacing existing beryllium copper main fuel control (MFC) bellows assemblies with Inconel 718 stainless steel welded MFC bellows assemblies. Th…
-
Sep 11, 1996
Airworthiness Directives; Allison 250 Series Turbine Engines
This amendment adopts a new airworthiness directive (AD) that is applicable to Allison 250 series turbine engines. This action requires initial and repetitive visual inspections of all engine filters for metal particles resulting from premature wear of two bearings produced under Parts Manufacture Approval (PMA) by Su…
04 / Type Certificate Data Sheets
FAA TCDS for ENSTROM HELICOPTER CORP 480
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- H1CE Historical Rev 35 · 12/15/2015
The Enstrom Helicopter Corporation
Models: F-28C, F-28F, TH-28, F-28A + 10 more
06 / Supplemental Type Certificates
Modifications approved for ENSTROM HELICOPTER CORP 480
49 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
02/06/2025
STC SR02813CH
Fabrication of Isolair Innovator II Model 3900-480 Spray System
Isolair Inc.
-
01/11/2024
STC SR04637CH
Replacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control Panel
Airwolf Aerospace LLC
-
04/14/2023
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
04/04/2023
STC SA11137SC
Installation of Plane-Power ALT-FLX alternator
Hartzell Engine Technologies, LLC
-
12/17/2020
STC SR02704SE
Installation and maintenance of the Sunspot 36 and 46 series lights
AeroLED's Holdings LLC
-
12/17/2020
STC SR02704SE
Installation and maintenance of the Sunspot 36 and 46 series lights
AeroLEDS LLC
-
10/08/2020
STC SR01067DE
Installation of main battery replacement with Concorde Lead-Acid battery
Concorde Battery Corporation
-
10/07/2020
STC SR03346CH
Installation of provisions for external equipment
Certex Aviation LLC
-
05/19/2020
STC SH3319NM (1 OF 2)
Installation of Precise Flight Pulselite Control Unit in the\nLanding /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
02/17/2020
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
-
05/29/2019
STC SR00359BO
Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.
Whelen Aerospace Technologies
-
01/11/2018
STC SR03346CH
Installation of provisions for external equipment
Aerospace Solutions Group LLC
-
05/23/2017
STC SR02487AK
Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System
ADS-B Technologies, LLC
-
12/29/2016
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
11/28/2016
STC SR00359BO
Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.
Whelen Engineering Co Inc
-
11/11/2016
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
-
03/04/2016
STC SR02470AK
Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System
ADS-B Technologies, LLC
-
03/04/2016
STC SR02471AK
Installation of the L-3 Communications NGT -9000/9000R ADS-B System
ADS-B Technologies, LLC
-
02/16/2016
STC SR02470AK
Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System
ADS-B Technologies LLC
-
02/16/2016
STC SR02471AK
Installation of the L-3 Communications NGT -9000/9000R ADS-B System
ADS-B Technologies LLC
-
06/08/2015
STC SR03465CH
Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-ECD-084-280, or AA-ECD-084-480
Airwolf Aerospace LLC
-
04/03/2015
STC SR03520NY
Installation of Rotor Head Cover
Spitfire Aerospace, LLC
-
01/14/2015
STC SR02394AK
Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system
Seaplanes North LLC
-
07/17/2014
STC SA11137SC
Installation of Plane-Power ALT-FLX alternator
Hartzell Engine Technologies, LLC
-
07/08/2014
STC SR03353CH
Installation of Aspen Avionics Evolution Primary and Multi-Functional Flight Displays
AspenSTC Inc
-
06/11/2014
STC SR03346CH
Installation of provisions for external equipment
St Louis Helicopter LLC
-
06/09/2014
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
07/25/2013
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
05/10/2013
STC SA11137SC
Installation of Plane-Power ALT-FLX alternator
Plane Power Ltd.
-
03/26/2013
STC SA11137SC
Installation of Plane-Power ALT-FLX alternator
Plane-Power Systems, Inc.
+ 19 more STCs on file
07 / PMA replacement parts
FAA-approved replacement parts for ENSTROM HELICOPTER CORP 480
33 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.
-
404-002-MDL Rev 1#https://drs.faa.gov/browse/excelExternalWindow/2C6C35D081BB7D588625849D004F9E31.0001##
Universal Mount For Enstrom 480 & 480B Series Helicopter
Aerospace Solutions Group, LLC replaces Modification Part
PMA holder → -
404-002-MDL Rev 1#https://drs.faa.gov/browse/excelExternalWindow/919FFEEFAE1DC055862580EA00549EC7.0001##
Universal Mount For Enstrom 480 & 480B Series Helicopter
Aerospace Solutions Group, LLC replaces Modification Part
PMA holder → -
AA-28-14384-13#https://drs.faa.gov/browse/excelExternalWindow/2A78DB7C56ACD2A086257ED7004D4E11.0001##
Lug
Airwolf Filter Corp replaces 28-14384-13
PMA holder → -
AA-28-14389-11#https://drs.faa.gov/browse/excelExternalWindow/0F33556DE4E26F3A86257ED7004D4E13.0001##
Cover
Airwolf Filter Corp replaces 28-14389-11
PMA holder → -
AA-28-14382-21#https://drs.faa.gov/browse/excelExternalWindow/881DE1EE8B6EE50986257ED7004D4E0F.0001##
Pin
Airwolf Filter Corp replaces 28-14382-21
PMA holder → -
AA-28-14389-13#https://drs.faa.gov/browse/excelExternalWindow/74E9C2018FD511F886257ED7004D4E14.0001##
Cover
Airwolf Filter Corp replaces 28-14389-13
PMA holder → -
AA-28-14387-13#https://drs.faa.gov/browse/excelExternalWindow/AE0938F98D95416E86257ED7004D4E12.0001##
Spindle Adapter
Airwolf Filter Corp replaces 28-14387-13
PMA holder → -
AA-28-14239-1#https://drs.faa.gov/browse/excelExternalWindow/646C20B4DB5DFB7386257ED7004D4E0B.0001##
Cover
Airwolf Filter Corp replaces 28-14239-1
PMA holder → -
AA-28-14382-19#https://drs.faa.gov/browse/excelExternalWindow/B419DC76E8741B4C86257ED7004D4E0E.0001##
Pin
Airwolf Filter Corp replaces 28-14382-19
PMA holder → -
AA-28-14383-13#https://drs.faa.gov/browse/excelExternalWindow/F2E392CD52D3ACE386257ED7004D4E10.0001##
Cylinder
Airwolf Filter Corp replaces 28-14383-13
PMA holder → -
AA-28-14389-13#https://drs.faa.gov/browse/excelExternalWindow/2F4056D0E5AA5CD2862585D200488BA8.0001##
Cover
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 28-14389-13
PMA holder → -
AA-28-14387-13#https://drs.faa.gov/browse/excelExternalWindow/13BDE31D9F1C0866862585D200488A68.0001##
Spindle Adapter
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 28-14387-13
PMA holder → -
AA-28-14383-13#https://drs.faa.gov/browse/excelExternalWindow/4088AC9F7F363C0E862585D200488963.0001##
Cylinder
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 28-14383-13
PMA holder → -
AA-28-14382-21#https://drs.faa.gov/browse/excelExternalWindow/40BFAA605AEAB6EE862585D2004888E0.0001##
Pin
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 28-14382-21
PMA holder → -
AA-28-14384-13#https://drs.faa.gov/browse/excelExternalWindow/76A22EF3F41C022D862585D2004889E1.0001##
Lug
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 28-14384-13
PMA holder → -
AA-28-14382-19#https://drs.faa.gov/browse/excelExternalWindow/A70FC46B6D2C7EAE862585D200488856.0001##
Pin
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 28-14382-19
PMA holder → -
AA-28-14386-5#https://drs.faa.gov/browse/excelExternalWindow/FDF380CC1692466E862585D20047E323.0001##
Grip Assembly
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 28-14386-5
PMA holder → -
AA-28-14385-15#https://drs.faa.gov/browse/excelExternalWindow/E4804D1F11CA0E70862585D20047E269.0001##
Spindle
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 28-14385-15, 28-14385-13
PMA holder → -
AA-28-14389-11#https://drs.faa.gov/browse/excelExternalWindow/F816FBBCD3798DDA862585D200488B0C.0001##
Cover
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 28-14389-11
PMA holder → -
AA-28-14239-1#https://drs.faa.gov/browse/excelExternalWindow/CFA6312DCA0B8F99862585D200488799.0001##
Cover
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 28-14239-1
PMA holder → -
AA-ECD-084-480#https://drs.faa.gov/browse/excelExternalWindow/A00DF23A200DFECB86257E6E0067CED1.0001##
Tension-Torsion Strap Assy
Airwolf Filter Corp replaces Modification Part
PMA holder → -
AA-ECD-084-480#https://drs.faa.gov/browse/excelExternalWindow/03110CC20454A6C0862585D20047E0D7.0001##
Tension-Torsion Strap Assy
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces Modification Part
PMA holder → -
20313-100#https://drs.faa.gov/browse/excelExternalWindow/2C1E15926BF58E3586257D9B004AB13D.0001##
FLOAT ASSY
APICAL INDUSTRIES, INC. dba DART AEROSPACE replaces ENSTROM P/N 20313-100
PMA holder → -
20311-100#https://drs.faa.gov/browse/excelExternalWindow/E18598F4967E41C786257D9B004AB138.0001##
MID/AFT FLOAT ASSY
APICAL INDUSTRIES, INC. dba DART AEROSPACE replaces ENSTROM P/N 20311-100
PMA holder → -
20312-100#https://drs.faa.gov/browse/excelExternalWindow/033B81EEA6C4862E86257D9B004AB13B.0001##
FWD & MID FLOAT ASSY
APICAL INDUSTRIES, INC. dba DART AEROSPACE replaces ENSTROM P/N 20312-100
PMA holder → -
3900-480#https://drs.faa.gov/browse/excelExternalWindow/9D22BAC429A2A38686257B87006CD601.0001##
Innovator Spray System
Isolair Inc replaces Modification Parts
PMA holder → -
3900-480#https://drs.faa.gov/browse/excelExternalWindow/32F1349C58802E7C86257B87006CD619.0001##
Innovator Spray System
Isolair Inc replaces Modification Parts
PMA holder → -
3900-480#https://drs.faa.gov/browse/excelExternalWindow/21B44FEBE686D332862579E40046B04B.0001##
Innovator II Spray System
Isolair Inc replaces Modification Parts
PMA holder → -
50058#https://drs.faa.gov/browse/excelExternalWindow/9F44C1C19E9A6BB2862578B1004FE472.0001##
Antenna
Safe Flight Instrument Corp replaces Modification Part
PMA holder → -
7102-2#https://drs.faa.gov/browse/excelExternalWindow/1D2136F6425204CD862578B1004FE443.0001##
Antenna Coupler
Safe Flight Instrument Corp replaces Modification Part
PMA holder → -
7101-5#https://drs.faa.gov/browse/excelExternalWindow/F546407986A13099862578B1004FE419.0001##
Powerline Detector
Safe Flight Instrument Corp replaces Modification Part
PMA holder → -
7101-4#https://drs.faa.gov/browse/excelExternalWindow/0B20895235F23DFE862578B1004FE3EA.0001##
Powerline Detector
Safe Flight Instrument Corp replaces Modification Part
PMA holder → -
RG-641#https://drs.faa.gov/browse/excelExternalWindow/6F34C0D5944606C38625863A005D9F94.0001##
Battery
Concorde Battery Corp replaces Modification Part
PMA holder →
09 / Equivalent Level of Safety findings
ELOS findings issued for ENSTROM HELICOPTER CORP 480
1 ELOS finding on file. The FAA issues an ELOS when an applicant proposes an alternative means that achieves the same safety outcome as a literal regulation — a standing record of which certification deviations the agency has approved for this model series.
-
AT09299CH-R-P-1
12/08/2023 →Equivalent Level of Safety (ELOS) Finding for Crash Resistance Fuel System Components
§ 21.21, 27.952
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for ENSTROM HELICOPTER CORP 480
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 14 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N142CC | ME | 1997 | ● | Look up ↗ |
| N410SC | WI | 1998 | · | Look up ↗ |
| N432RD | CA | 2002 | · | Look up ↗ |
| N480AB | NY | 1996 | · | Look up ↗ |
| N480B | OR | 1995 | · | Look up ↗ |
| N480DD | OR | 1996 | · | Look up ↗ |
| N480E | TX | 1993 | · | Look up ↗ |
| N480FH | NM | — | · | Look up ↗ |
| N480FX | VT | 1998 | ● | Look up ↗ |
| N480ML | WA | 1998 | · | Look up ↗ |
| N480MT | WA | 1994 | · | Look up ↗ |
| N480RS | — | 1999 | · | Look up ↗ |
| N480TT | NJ | 1997 | · | Look up ↗ |
| N911WF | AZ | 1995 | · | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →