CFM International CFM56-3C
10 aircraft on the U.S. register carry a CFM International CFM56-3C engine, rated at about 23,515 pounds of thrust. The Boeing 737 is the model most often fitted with it (10 aircraft). The aircraft carrying it were built between 1989 and 1997.
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 CFM International CFM56-3C. FAA spelling: CFM56-3C.
Where they are owner's state
Kind of aircraft
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the CFM International CFM56-3C the component layer
The design is held under 2 type certificates. The FAA has issued 23 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 415 failure reports with the FAA since 1995, 9 of them in the last ten years.
FAA orders 23 airworthiness directives · newest first
Failure reports 415 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Latest reports
Certificates and bulletins
Safety bulletins 3 · advice, not orders
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
- Boeing 737 10 with this engine series
- Michigan 4 of these aircraft
- New Mexico 2 of these aircraft
- Delaware 2 of these aircraft
- Utah 1 of these aircraft
- Arizona 1 of these aircraft
- Kalitta Charters II LLC 4 of these aircraft
- National Nuclear Security Administration 2 of these aircraft
- Umb Bank Na Trustee 1 of these aircraft
- Csds Asset Management LLC 1 of these aircraft
- FAA orders naming the CFM International CFM56-3C 23 airworthiness directives
- Failure reports on the CFM International CFM56-3C 415 reports since 1995
These connections as data: /graph/engine/cfm-international-cfm56-3c.json · about the eFlight graph.
Aircraft newest certificates first · 10
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N279AD | Boeing 737-4Q8 |
Fixed-wing, multi-engine | Csds Asset Management LLC Marana, Arizona |
Standard | 2026-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N454KH | Boeing 737-48E |
Fixed-wing, multi-engine | Umb Bank Na Trustee Salt Lake City, Utah |
Standard | 2026-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N775SJ | Boeing 737-48E |
Fixed-wing, multi-engine | Kalitta Charters II LLC Ypsilanti, Michigan |
Standard | 2026-06-01 | ValidFAA registration status code V: Valid registration. All codes |
| N285XA | Boeing 737-4Q8 |
Fixed-wing, multi-engine | Vent Airlines INC Dover, Delaware |
Standard | 2025-05-19 | ValidFAA registration status code V: Valid registration. All codes |
| N282AA | Boeing 737-3Q8 |
Fixed-wing, multi-engine | Aerownership North American Services INC Trustee Dover, Delaware |
Standard | 2022-04-27 | ValidFAA registration status code V: Valid registration. All codes |
| N336CK | Boeing 737-3Y0 |
Fixed-wing, multi-engine | Kalitta Charters II LLC Ypsilanti, Michigan |
Standard | 2021-12-21 | ValidFAA registration status code V: Valid registration. All codes |
| N335CK | Boeing 737-3Y0 |
Fixed-wing, multi-engine | Kalitta Charters II LLC Ypsilanti, Michigan |
Standard | 2021-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N990ST | Boeing 737-4YO |
Fixed-wing, multi-engine | National Nuclear Security Administration Albuquerque, New Mexico |
Standard | 2020-06-09 | ValidFAA registration status code V: Valid registration. All codes |
| N295CL | Boeing 737-3Q8 |
Fixed-wing, multi-engine | Kalitta Charters II LLC Ypsilanti, Michigan |
Standard | 2019-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N980ST | Boeing 737-4B3 |
Fixed-wing, multi-engine | National Nuclear Security Administration Albuquerque, New Mexico |
Standard | 2014-08-26 | 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.