Type Record · As of May 3, 2026
BOEING 737-990ER
Fixed Wing Multi Engine · CFM INTL CFM56-7B27E
Registered
51
Year Range
2012–2016
NTSB Events
2
Airworthiness Directives
0
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered BOEING 737-990ER aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- WA 100.0% 51
By Decade of Manufacture
- 2010s 98.0% 50
- Unknown 2.0% 1
02 / NTSB Records
Events involving BOEING 737-990ER aircraft
2 event(s) on file. Showing the most recent 2.
-
Aug 23, 2021
N479ASSeaTac, Washington Serious
NTSB Docket → -
Dec 19, 2015
N477ASSeattle, Washington
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to BOEING 737-990ER
No matching airworthiness directives are on file for this make and model in the Federal Register.
06 / Supplemental Type Certificates
Modifications approved for BOEING 737-990ER
114 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
06/02/2022
STC SA2539SW-D
Replacement of light assembly, International Inflatables Co. P/N68555-1 with DME Corp. EL-104, EL-104A, and EL-104B in emergency slide lighting system.
Astronics Luminescent Systems Inc
-
06/02/2022
STC SA863EA
Incorporation of DME Corporation emergency evacuation slide lighting system
Astronics Luminescent Systems Inc
-
06/02/2022
STC SA2534SW-D
Replacement of Switch assembly Int'l Inflatables Co. P/N 68748, with DME Corp. P/N L-140 in emergency evacuation slide lighting system.
Astronics Luminescent Systems Inc
-
06/10/2021
STC SA3459NM
Installation of Trans Com Video Projection System.
Burrana Inc.
-
03/05/2021
STC SA3443NM
Installation of a Trans Com Entertainment System
Burrana Inc.
-
04/24/2019
STC SA2539SW-D
Replacement of light assembly, International Inflatables Co. P/N68555-1 with DME Corp. EL-104, EL-104A, and EL-104B in emergency slide lighting system.
Astronics DME LLC
-
04/24/2019
STC SA863EA
Incorporation of DME Corporation emergency evacuation slide lighting system
Astronics DME LLC
-
04/24/2019
STC SA2534SW-D
Replacement of Switch assembly Int'l Inflatables Co. P/N 68748, with DME Corp. P/N L-140 in emergency evacuation slide lighting system.
Astronics DME LLC
-
10/24/2018
STC SA2197NM
Interior reconfiguration to mixed passenger/cargo arrangement. (737-2K2C)
Aviation Technical Services
-
07/05/2018
STC SA7034NM-D
Installation of Standby Power- Capacity Increase and Load Addition. (737-4S3)
LMI Aerospace
-
08/10/2016
STC SA3443NM
Installation of a Trans Com Entertainment System
Rockwell Collins Inc
-
06/07/2016
STC SA3459NM
Installation of Trans Com Video Projection System.
Rockwell Collins Inc
-
12/18/2015
STC ST854SO
Installation of a Bendix GPW-83 Ground Proximity Warning System
American Airlines Inc
-
11/30/2011
STC SA2182WE
Installation of Bendix Third Attitude Indicator to meet the requirements of § 121.305(j) in accordance with FAA Approved United Air Lines Engineering and Maintenance Report F-1450,…
United Airlines Inc
-
09/30/2011
STC SA7426SW
Replace existing emergency power supply with Vista Airpak 65B-42 in accordance with Vista Manufacturing, Inc., Drawing List 87-5300, Rev. B, Dated May 5, 1988, or later FAA approve…
BF Goodrich Aerospace
-
09/30/2011
STC SA7427SW
Replace existing Grimes P/N 60-1321-1 emergency power supply with Vista Model 65-2, P/N 87-5106-2 emergency power supply in accordance with Vista Manufacturing, Inc., Drawing List …
BF Goodrich Aerospace
-
09/30/2011
STC SA7420SW
Replace existing Grimes P/N 60-4068-1 emergency power supply with Vista Manufacturing, Inc., emergency power supply Model 65-3, P/N 87-5106-3, in accordance with Vista Manufacturin…
BF Goodrich Aerospace
-
07/05/2011
STC SA781NW
Installation of a coat closet.
AIM Aviation Inc
-
04/27/2009
STC SA83NE
Configuration 1: Installation of three-tank auxiliary fuel transfer system (1340 US gallon) in the forward lower cargo compartment; or Configuration 2: Installation of seven-tank a…
Leading Edge Group LLC, The
-
01/20/2009
STC SA3900WE
Installation of heavy duty cargo handling and quick change system, P/N 90045. (See Pemco Engineers index list no PB-737 for applicable models.)
Global Aerospace Technology Corporation
-
07/09/2008
STC ST00365AT
Installation of a 144-passenger seating configuration. (737-332)
Delta Airlines Inc
-
02/07/2008
STC SA2153WE
Installation of fuselage fuel tanks in forward and aft cargo compartments. (737-2A6)
Rogerson ATS
-
04/30/2007
STC SA2153WE
Installation of fuselage fuel tanks in forward and aft cargo compartments. (737-2A6)
Rogerson ATS
-
07/20/2004
STC SA83NE
Configuration 1: Installation of three-tank auxiliary fuel transfer system (1340 US gallon) in the forward lower cargo compartment; or Configuration 2: Installation of seven-tank a…
PATS Aircraft LLC
-
06/01/2002
STC ST01004NY
Installation of cargo restraint straps.
Airline Container Manufacturing Co Inc
-
04/12/2002
STC SA4970NM
Interior rearrangement. (737-3Y0)
Goodrich Aviation Technical Services Inc.
-
03/07/2001
STC ST01138LA
Installation of corrosion resistant antenna gaskets.
TA Manufacturing Company
-
03/02/2001
STC ST4532NM
Installation of Coltech CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio.
Avtech Corporation
-
08/30/2000
STC SA3459NM
Installation of Trans Com Video Projection System.
Rockwell Collins Inc
-
05/30/2000
STC ST02130AT
Manufacture of Beverage Carrier, P/N 1608-502.
BFE Services
+ 84 more STCs on file
07 / PMA replacement parts
FAA-approved replacement parts for BOEING 737-990ER
60+ 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.
-
Index List No. 497949#https://drs.faa.gov/browse/excelExternalWindow/8A288A2DF4E95013862581F00075FB0E.0001##
Video Entertainment System
Rockwell Collins, Inc replaces Modification Part
PMA holder → -
AD45-0017#https://drs.faa.gov/browse/excelExternalWindow/C5A65BB713FE97AC862581BE007178D5.0001##
Switch Rotary, Autobrake Selector(737)
MASON ELECTRIC COMPANY replaces AD45-0017
PMA holder → -
4177-0147-781#https://drs.faa.gov/browse/excelExternalWindow/6169987F29384B5A8625801F0070C7CB.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-781
PMA holder → -
4177-0147-791#https://drs.faa.gov/browse/excelExternalWindow/7FFA73CBF550E3198625801F0070C819.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-791
PMA holder → -
4177-0147-771#https://drs.faa.gov/browse/excelExternalWindow/482B520747167D1F8625801F0070C77B.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-771
PMA holder → -
4177-0147-761#https://drs.faa.gov/browse/excelExternalWindow/8438F5C0438BCAD78625801F0070C72D.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-761
PMA holder → -
4177-0147-751#https://drs.faa.gov/browse/excelExternalWindow/983B877E26E0C2578625801F0070C6DF.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-751
PMA holder → -
4177-0147-741#https://drs.faa.gov/browse/excelExternalWindow/F5900A05F15D80A78625801F0070C693.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-741
PMA holder → -
4177-0147-731#https://drs.faa.gov/browse/excelExternalWindow/C1B5BC9460EC1AED8625801F0070C640.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-731
PMA holder → -
4177-0147-721#https://drs.faa.gov/browse/excelExternalWindow/975E4B30D46A2A058625801F0070C5ED.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-721
PMA holder → -
4177-0147-701#https://drs.faa.gov/browse/excelExternalWindow/C5471396C743DB528625801F0070C59C.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-701
PMA holder → -
4177-0147-691#https://drs.faa.gov/browse/excelExternalWindow/B5B1A9F7F6AD455F8625801F0070C54D.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-691
PMA holder → -
4177-0147-671#https://drs.faa.gov/browse/excelExternalWindow/9710423E25F9E9748625801F0070C4B1.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-671
PMA holder → -
4177-0147-681#https://drs.faa.gov/browse/excelExternalWindow/223BB05905B5C3438625801F0070C4FD.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-681
PMA holder → -
4177-0147-661#https://drs.faa.gov/browse/excelExternalWindow/8B3EF2A46013942B8625801F0070C45B.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-661
PMA holder → -
4177-0147-651#https://drs.faa.gov/browse/excelExternalWindow/29653F4FB71E1F3A8625801F0070C40D.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-651
PMA holder → -
4177-0147-641#https://drs.faa.gov/browse/excelExternalWindow/555CF344BECFBCAC8625801F0070C3BC.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-641
PMA holder → -
4177-0147-241#https://drs.faa.gov/browse/excelExternalWindow/B0E62FB4A65B202E8625801F0070C323.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-241
PMA holder → -
4177-0147-251#https://drs.faa.gov/browse/excelExternalWindow/91F23203686974C08625801F0070C36F.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-251
PMA holder → -
4177-0147-231#https://drs.faa.gov/browse/excelExternalWindow/4B8C7EEE573BA3AC8625801F0070C2D5.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-231
PMA holder → -
4177-0147-221#https://drs.faa.gov/browse/excelExternalWindow/D0F2A0C11C402A118625801F0070C281.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-221
PMA holder → -
4177-0147-211#https://drs.faa.gov/browse/excelExternalWindow/18A56316AB3963D68625801F0070C234.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-211
PMA holder → -
4177-0147-210#https://drs.faa.gov/browse/excelExternalWindow/0E35336D5EA08B948625801F0070C1E6.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-210
PMA holder → -
4177-0147-201#https://drs.faa.gov/browse/excelExternalWindow/E6D5CCF8B814066E8625801F0070C198.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-201
PMA holder → -
4177-0147-191#https://drs.faa.gov/browse/excelExternalWindow/602E9298295838368625801F0070C14D.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-191
PMA holder → -
4177-0147-181#https://drs.faa.gov/browse/excelExternalWindow/78B6E09469AEB27A8625801F0070C0FE.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-181
PMA holder → -
4177-0147-161#https://drs.faa.gov/browse/excelExternalWindow/3B0C193AF2A72C6E8625801F0070C063.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-161
PMA holder → -
4177-0147-171#https://drs.faa.gov/browse/excelExternalWindow/CED7D5CF4B8EEF548625801F0070C0B1.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-171
PMA holder → -
4177-0147-151#https://drs.faa.gov/browse/excelExternalWindow/4C07D567D49278F08625801F0070C017.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-151
PMA holder → -
4177-0147-141#https://drs.faa.gov/browse/excelExternalWindow/33C47F43F3739A338625801F0070BFCA.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-141
PMA holder → -
4177-0147-101#https://drs.faa.gov/browse/excelExternalWindow/DE6570E25A77BB8A8625801F0070BF7C.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-101
PMA holder → -
4177-0147-81#https://drs.faa.gov/browse/excelExternalWindow/DB8A1FF06F3C51EB8625801F0070BF30.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-81
PMA holder → -
4177-0147-71#https://drs.faa.gov/browse/excelExternalWindow/9A7344686AFEA2798625801F0070BEE4.0001##
Measuring Stick
Rockwell Collins, Inc replaces 10-60522-71
PMA holder → -
4090-0034-60#https://drs.faa.gov/browse/excelExternalWindow/45C723ECE58F280C8625801F0070BE96.0001##
Mounting Base Assembly
Rockwell Collins, Inc replaces 10-60522-60
PMA holder → -
48434501#https://drs.faa.gov/browse/excelExternalWindow/7D8DDC8BDD56E4B0862579C1006630A2.0001##
STRAP-LIFEVEST 8 CC
Torrington Distributors Inc replaces 48434501
PMA holder → -
1003627-445DE21#https://drs.faa.gov/browse/excelExternalWindow/CBF15A8F9E6E2C32862579C10064F51C.0001##
CVR-BTM 17.75 RED HGT NONPAD
Torrington Distributors Inc replaces 1003627-445DE21
PMA holder → -
1004405-005DE20#https://drs.faa.gov/browse/excelExternalWindow/D4E15C14B6F5A2DA862579C10064F3FF.0001##
CVR BK 16.33 STYLE D ANTI
Torrington Distributors Inc replaces 1004405-005DE20
PMA holder → -
1003541-005DE21#https://drs.faa.gov/browse/excelExternalWindow/80C8EC2A8F8DC484862579C10064F4F2.0001##
DRESSCOVER-BTM W/WINGS 17.75
Torrington Distributors Inc replaces 1003541-005DE21
PMA holder → -
1003541-003DE21#https://drs.faa.gov/browse/excelExternalWindow/2F447700ECE9276B862579C10064F479.0001##
DRESSCOVER-BTM W/WINGS 18.75
Torrington Distributors Inc replaces 1003541-003DE21
PMA holder → -
1003541-007DE21#https://drs.faa.gov/browse/excelExternalWindow/1E60792244FAA595862579C10064F4C4.0001##
DRESSCOVER-BTM W/WINGS 17.00
Torrington Distributors Inc replaces 1003541-007DE21
PMA holder →
+ 20 more PMA parts on file
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for BOEING 737-990ER
Advisory Circulars
ACs whose subject explicitly mentions BOEING or 737-990ER.
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 51 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 |
|---|---|---|---|---|
| N224AK | WA | 2016 | · | Look up ↗ |
| N236AK | WA | 2016 | · | Look up ↗ |
| N237AK | WA | 2016 | · | Look up ↗ |
| N238AK | WA | 2016 | · | Look up ↗ |
| N247AK | WA | 2016 | · | Look up ↗ |
| N248AK | WA | 2016 | · | Look up ↗ |
| N251AK | WA | — | · | Look up ↗ |
| N253AK | WA | 2016 | · | Look up ↗ |
| N260AK | WA | 2016 | · | Look up ↗ |
| N263AK | WA | 2016 | · | Look up ↗ |
| N264AK | WA | 2016 | · | Look up ↗ |
| N402AS | WA | 2012 | · | Look up ↗ |
| N403AS | WA | 2012 | · | Look up ↗ |
| N407AS | WA | 2012 | · | Look up ↗ |
| N408AS | WA | 2012 | · | Look up ↗ |
| N409AS | WA | 2013 | · | Look up ↗ |
| N413AS | WA | 2013 | · | Look up ↗ |
| N419AS | WA | 2013 | · | Look up ↗ |
| N423AS | WA | 2013 | · | Look up ↗ |
| N428AS | WA | 2016 | · | Look up ↗ |
| N431AS | WA | 2013 | · | Look up ↗ |
| N433AS | WA | 2013 | · | Look up ↗ |
| N434AS | WA | 2016 | · | Look up ↗ |
| N435AS | WA | 2013 | · | Look up ↗ |
| N440AS | WA | 2013 | · | Look up ↗ |
| N442AS | WA | 2013 | · | Look up ↗ |
| N448AS | WA | 2016 | · | Look up ↗ |
| N453AS | WA | 2014 | · | Look up ↗ |
| N457AS | WA | 2014 | · | Look up ↗ |
| N459AS | WA | 2014 | · | Look up ↗ |
| N461AS | WA | 2014 | · | Look up ↗ |
| N462AS | WA | 2014 | · | Look up ↗ |
| N464AS | WA | 2014 | · | Look up ↗ |
| N467AS | WA | 2014 | · | Look up ↗ |
| N468AS | WA | 2014 | · | Look up ↗ |
| N469AS | WA | 2014 | · | Look up ↗ |
| N471AS | WA | 2014 | · | Look up ↗ |
| N472AS | WA | 2015 | · | Look up ↗ |
| N474AS | WA | 2015 | · | Look up ↗ |
| N477AS | WA | 2015 | ● | Look up ↗ |
| N478AS | WA | 2015 | · | Look up ↗ |
| N479AS | WA | 2015 | ● | Look up ↗ |
| N481AS | WA | 2015 | · | Look up ↗ |
| N483AS | WA | 2015 | · | Look up ↗ |
| N486AS | WA | 2015 | · | Look up ↗ |
| N487AS | WA | 2015 | · | Look up ↗ |
| N491AS | WA | 2015 | · | Look up ↗ |
| N492AS | WA | 2015 | · | Look up ↗ |
| N493AS | WA | 2016 | · | Look up ↗ |
| N494AS | WA | 2016 | · | Look up ↗ |
| N495AS | WA | 2016 | · | 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 →