Boeing 737-900ER
N278AK is a Boeing 737-900ER, a fixed-wing airplane with more than one motor with turbofan engines, built in 2017. It has 222 seats. It is registered to Alaska Airlines INC, a corporation in Seatac, Washington. The registration is valid: it was issued on September 18, 2017 and expires on September 30, 2027. It holds a standard airworthiness certificate for transport, dated September 15, 2017.
Where is it now Last seen today at 3:34 pm.
Last seen today at 3:34 pm. Checking whether it is in the air right now…
Aircraft broadcast their own position; volunteer receivers pool what they hear. Owners who have asked the FAA not to be displayed are not shown.
Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Boeing
- Model
- 737-900ER · all 737-900ERs and related versions
- Built of
- aluminiumThe airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. This is how the Boeing 737 family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
- Serial number
- 44113
- Type
- Fixed-wing, multi-engineFAA type of aircraft code 5 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- TurbofanFAA type of engine code 5 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 2 motors · Cfm Intl CFM56-7B27E · 27,300 lb thrust
- Seats
- 222
- Year built
- 2017
- Transponder code
- A2C43E (octal 50542076)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- September 18, 2017
- Expires
- September 30, 2027
- Last FAA action
- March 17, 2023
- Airworthiness
- StandardFAA airworthiness class code 1 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · TransportFAA certificate purpose code T (the kind of airworthiness certificate it flies under and what it is approved for). All codes · September 15, 2017
- FAA region
- Northwest MountainFAA region code S (the FAA regional office that handles the record). All codes
- FAA record id
- 01259096
Owner as the FAA publishes it
- Name
- Alaska Airlines INC
- Type
- CorporationFAA type of owner code 3 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- C/O Legal Dept Seazl
19300 International Blvd
Seatac, WA 98188-5304
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Connections how N278AK links to the rest of the register
- Boeing 737 2,894 registered
- Boeing 6,676 aircraft on the register
- Built of aluminium · as the model family is built; the register does not record it per aircraft
- CFM International CFM56-7B27E 324 aircraft with this engine series · 27,300 lb thrust
- Alaska Airlines INC 236 aircraft in the fleet
- Seatac, WA 117 aircraft registered in this town
- Washington 10,568 aircraft registered
- FAA orders naming the Boeing 737 855 airworthiness directives
- Failure reports filed on the Boeing 737 436,568 reports since 1995
- Approved modifications for the Boeing 737 2,230 supplemental type certificates
- FAA orders naming the CFM International CFM56-7B27E 11 airworthiness directives
- Failure reports on the CFM International CFM56-7B27E 1,218 reports since 1995
- Report filed on this aircraft: Transition Panel, corroded · 2026-07-10
- Report filed on this aircraft: Web, corroded · 2026-07-08
- Report filed on this aircraft: Light Sys, malfunctioned · 2025-10-25
- Where N278AK is now · Last seen today at 3:34 pm.
The whole map of how records connect · these connections as data: /graph/aircraft/N278AK.json.
Records check free · 0 to understand · 5 clear
The public federal record on N278AK, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Alaska Airlines INC, a corporation, certificate issued September 18, 2017, expires September 30, 2027. No fractional interest recorded. [1]
Standard certificate for transport, dated September 15, 2017, consistent with the 2017 manufacture year. [1]
No earlier tail number is recorded against serial 44113 for this model in the deregistered file. [2]
No other airframe has carried N278AK according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
No NTSB investigation records located under N278AK. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
- FAA Releasable Aircraft Database, master file, file of October 30, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 30, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 30, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through September 30, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 30, 2026. See this record on the FAA site · This record as data