ENSTROM 480B TURBINE Model Guide
ENSTROM 480B TURBINE · Model Guide
Overview
The ENSTROM 480B TURBINE is a turbine-powered Enstrom helicopter. Registry data classes the 480 family (variants 480 and 480B) as turboshaft. Family-level figures run up to 5 passengers, 1200 kg MTOW, 430 nm range and 13000 ft service ceiling. The library row lists it as piston, which conflicts with the turbine service documents.
- Family-level registry maxima: up to 5 passengers, 1200 kg MTOW, 430 nm range, 13000 ft ceiling. Confirm 480B figures in the flight manual.
- The FAA-approved Operator's Manual and Rotorcraft Flight Manual (Report 28-AC-023) is at Revision 25, and it must be carried in the helicopter.
- On 480B S/N 5134 and subsequent, or retrofitted units, the rotor warning light and horn trigger below 332 RPM or above 385 RPM.
- Ask for compliance records on service letters T-073 to T-076: pylon doubler, fuel cell, upper pulley and tail rotor gearbox gear wear.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Reference only, not for flight. Use the current approved manual for your aircraft. See terms, section 5.
Document
Source
Copy found at sprinkle.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Model Guide
- Year ·
- 2026
- File size ·
- 48 KB
- Copy found at ·
- sprinkle.com
Specifications & performance
Extracted from this document.
Specifications
- Family max mtow kg ·
- 1,200
- Family max passengers ·
- 5
- Rotor warning low rpm ·
- 332
- Rotor warning high rpm ·
- 385
Performance
- Family max range (nm) ·
- 430
- Family max service ceiling (ft) ·
- 13,000
What does the ENSTROM 480B TURBINE carry and how far does it go?
The ENSTROM 480B TURBINE belongs to a family rated up to 5 passengers, 1200 kg MTOW, 430 nm range and 13000 ft service ceiling. These are family maxima, not 480B-specific figures. Use the flight manual for the exact variant.
Is the ENSTROM 480B TURBINE piston or turbine?
Registry data and the service documents describe the ENSTROM 480B TURBINE as turboshaft/turbine powered. The library row's piston label conflicts with that.
What should I check on the rotor warning of an ENSTROM 480B TURBINE?
Service letter T-039 describes a Hi/Lo Rotor RPM Switch that warns below 332 RPM or above 385 RPM. It applies to 480B S/N 5134 and subsequent, or to units updated with it. Confirm the switch is fitted and working.
What is the ENSTROM 480B TURBINE Model Guide?
The ENSTROM 480B TURBINE Model Guide is a model guide for the ENSTROM 480B TURBINE, dated 2026.
What year was the ENSTROM 480B TURBINE Model Guide published?
The ENSTROM 480B TURBINE Model Guide — the ENSTROM 480B TURBINE model guide on file — is dated 2026.
Common. More common than 77% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the ENSTROM 480B TURBINE.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
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More ENSTROM 480B TURBINEmanuals & documents
- SIL Turbine IndexService Bulletins
- ENSTROM 480B OPERATOR'S MANUALPilot's Operating Handbook
- ENSTROM 480B OPERATOR’S MANUAL AND FAA APPROVED ROTORCRAFT FLIGHT MANUALPilot's Operating Handbook
- Enstrom TH-28/480 Series Maintenance ManualMaintenance Manual
- SERVICE INFORMATION LETTER NO. T-039Service Bulletins
- ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOGParts Catalog
If you fly the ENSTROM 480B TURBINE, you may also be researching these.
In this document
Documents and records
The type certificate is H1CE. The Operator's Manual and Rotorcraft Flight Manual is Revision 25, dated 27 Jan 2025 and FAA approved 18 Mar 2025. Chapters 1 to 5 are the FAA-approved part. The Illustrated Parts Catalog covers the TH-28, 480 and 480B and is at Revision 19 (Jul 22/25). Check that the manual in the aircraft matches the current revision.
Optional equipment to verify
The manual's supplements list includes cargo hook, snow shoes, external fuel filter, baggage box extension, camera door, emergency floats, air conditioning, nose positioned camera mount, searchlight and EFIS. The EFIS supplement is listed as not EASA approved, which matters for European registration. Confirm which supplements are actually fitted and approved.
Service letters to review
The turbine service letter index dated April 8, 2026 includes T-073 (pylon reinforcement doubler), T-074R1 (fuel cell/bladder assembly), T-075 (upper pulley P/N 4130538-11) and T-076 (tail rotor transmission premature gear wear, June 24, 2025). Check each letter's effectivity against the serial number and ask for evidence of compliance.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Safety notes
- Rotor warning: light and horn activate when rotor speed is below 332 RPM or above 385 RPM. The horn is silenced with the collective on the down stop.
- Older systems warned only for low rotor RPM. Check whether the Hi/Lo Rotor RPM Switch (P/N ECD4079) is fitted.
- Service letter T-045 covers restraining cargo in the cabin. Review it before carrying loads.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Full document text
ENSTROM 480B TURBINE Model Guide The ENSTROM 480B TURBINE is a turbine-powered Enstrom helicopter. Registry data classes the 480 family (variants 480 and 480B) as turboshaft. Family-level figures run up to 5 passengers, 1200 kg MTOW, 430 nm range and 13000 ft service ceiling. The library row lists it as piston, which conflicts with the turbine service documents. • Family-level registry maxima: up to 5 passengers, 1200 kg MTOW, 430 nm range, 13000 ft ceiling. Confirm 480B figures in the flight manual. • The FAA-approved Operator's Manual and Rotorcraft Flight Manual (Report 28-AC-023) is at Revision 25, and it must be carried in the helicopter. • On 480B S/N 5134 and subsequent, or retrofitted units, the rotor warning light and horn trigger below 332 RPM or above 385 RPM. • Ask for compliance records on service letters T-073 to T-076: pylon doubler, fuel cell, upper pulley and tail rotor gearbox gear wear. Documents and records The type certificate is H1CE. The Operator's Manual and Rotorcraft Flight Manual is Revision 25, dated 27 Jan 2025 and FAA approved 18 Mar 2025. Chapters 1 to 5 are the FAA-approved part. The Illustrated Parts Catalog covers the TH-28, 480 and 480B and is at Revision 19 (Jul 22/25). Check that the manual in the aircraft matches the current revision. Optional equipment to verify The manual's supplements list includes cargo hook, snow shoes, external fuel filter, baggage box extension, camera door, emergency floats, air conditioning, nose positioned camera mount, searchlight and EFIS. The EFIS supplement is listed as not EASA approved, which matters for European registration. Confirm which supplements are actually fitted and approved. Service letters to review The turbine service letter index dated April 8, 2026 includes T-073 (pylon reinforcement doubler), T-074R1 (fuel cell/bladder assembly), T-075 (upper pulley P/N 4130538-11) and T-076 (tail rotor transmission premature gear wear, June 24, 2025). Check each letter's effectivity against the serial number and ask for evidence of compliance. Safety notes: • Rotor warning: light and horn activate when rotor speed is below 332 RPM or above 385 RPM. The horn is silenced with the collective on the down stop. • Older systems warned only for low rotor RPM. Check whether the Hi/Lo Rotor RPM Switch (P/N ECD4079) is fitted. • Service letter T-045 covers restraining cargo in the cabin. Review it before carrying loads.