The U.S. aircraft register, updated daily
Engines · turboshaft · data as of October 7, 2026

Honeywell T5508D

3 aircraft on the U.S. register carry a Honeywell T5508D engine, rated at about 2250 horsepower. The Bell 214 is the model most often fitted with it (3 aircraft). The aircraft carrying it were built between 1978 and 1981.

The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Honeywell T5508D. FAA spelling: T5508D.

Fitted to model families

Bell 2143

Bell 214

Where they are owner's state

Utah2Alaska1

Kind of aircraft

Helicopters3 (100%)

When the aircraft were built by decade

001222197011980

What the FAA has certified, ordered and been told about the Honeywell T5508D the component layer

The design is held under 1 type certificate (E4NE, held by Honeywell Aerospace US LLC). The FAA has issued 4 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 4 airworthiness directives · newest first

1994-02-0494-02-01 · Impeller · engine
1986-10-0686-19-13 · First Stage Turbine Disk · engine
1978-03-3078-07-04 · Inner Bevel Gear Assembly · engine
1976-06-2376-12-05 · Compressor Air Bleed Band · engine

Certificates and bulletins

E4NEType certificate held by Honeywell Aerospace US LLC · 2 models listed · revised March 27, 2026

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how this engine series links to the rest of the register

Fitted to
Where they are
  • Utah 2 of these aircraft
  • Alaska 1 of these aircraft
Biggest operators
Airworthiness

These connections as data: /graph/engine/honeywell-t5508d.json · about the eFlight graph.

Aircraft newest certificates first · 3

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N214HM Bell
214B-1
Rotorcraft Bank of Utah Trustee
Salt Lake City, Utah
Multiple 2022-08-18 ValidFAA registration status code V: Valid registration. All codes
N214LJ Bell
214B-1
Rotorcraft Bank of Utah Trustee
Salt Lake City, Utah
Standard 2019-12-10 ValidFAA registration status code V: Valid registration. All codes
N214TH Bell
214B-1
Rotorcraft Temsco Helicopters INC
Ketchikan, Alaska
Standard 2005-02-10 ValidFAA registration status code V: Valid registration. All codes

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.