- Registered owner
- Skywest Airlines Inc
- Location
- St George, UT
- Owner type
- Corporation
- Serial number
- 17000430
- Year built
- 2014
- Type
- Fixed wing multi engine
- Engine
- Turbo-fan
- Airworthiness
- Standard, transport
- Airworthiness date
- October 10, 2014
- Certificate issued
- October 9, 2014
- Expires
- October 31, 2027
- Mode S code
- A05910
Embraer S A ERJ 170-200 LRTCDS A56NMAirframe · Embraer S A ERJ 170-200 LRTCDS E00063ENEngine · GE CF34-8E5
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 66
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 2004 | 1 |
|---|---|
| 2005 | 1 |
| 2007 | 9 |
| 2008 | 8 |
| 2009 | 3 |
| 2010 | 11 |
| 2011 | 4 |
| 2012 | 3 |
| 2013 | 5 |
| 2014 | 2 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 2 |
Airframe · Embraer S A ERJ 170-200 LR
AD 2026-13-02NavigationAD 2025-14-05Nacelles/PylonsAD 2025-01-05Time Limits/Maintenance ChecksInformation bulletins that may apply · 1
Advisory, not mandatory.
Airframe · Embraer S A ERJ 170-200 LR
SAIB NM-20-12Powerplant System - Operating in Icing ConditionsNTSB investigations
No NTSB investigations matched to N121SYMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Embraer S A ERJ 170-200 LR aircraft
FAA incident reports
No FAA accident or incident reports matched to N121SYMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Embraer S A ERJ 170-200 LR aircraft
Service difficulty reports · 9
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR SWIA2026072976708Skin · gougedLEFT OTBD LEADING EDGE BY THE OTBD SLAT FENCE HAD A GOUNG ROUGHLY 0.075" AT THE DEEPEST, FADES TO ZERO.3.3? IN LENGTH AND 0.3? IN WIDTH .5? OTBD OF RID 33 AND 5.5? FWD OF WING STRINGER. COMPLIED WITH ETD 2026-170-012678.REQUIRES A FERRY FLIGHT. REPAIRED LT OSDR SWIA2025071600623Beam · corrodedREAR FUSELAGE L/H BEAM CORRODED FR 86 TO FR 89. REMOVED AND REPLACED REAR FUSELAGE LH BEAM AT FR86-89, REF EMB SRM 51-40-08. LH BEAM REPLACED WITH OEM PART. THERE IS NO CHANGE TO WIEGHT AND BALANCESDR SWIA202266594None · gougedR/H CF III INBOARD SEAT TRACK HAS MULTIPLE GOUGES FROM FWD OF FR 60 TO FR 73 AS MARKED (C-CHECK RO 10/5/2022) REMOVED AND REPLACED R/H CR III I/B SEAT TRACK REF EMB SRM 51-40-08. REPLACED SEAT TRACK WITH OEM PART, NO WEIGHT AND BALANCE CHANGE REQUIRED.SDR SWIA202266593None · corrodedLOWER FUSELAGE CF III HAS CORRODED SHEAR CLIP FWD OF WASTE SERVICE BOX AT FR88 BETWEEN STGR 27R TO 28R (C-CHECK RO 10/5/2022) REMOVED AND REPLACED SHEAR CLIP FR 88 BETWEEN STRINGERS 27R AND 28R REF EMB SRM 51-40-08. / SEE CONTINUE CARD FOR WORK PERFORMESDR SWIA202266596None · crazedL/H #1 PASSENGER WINDOW OUTER PANE CRAZED (C-CHECK RO 10/5/2022) REMOVED AND REPLACED LH #1 PASSENGER WINDOW. REF. EMB 175 AMM 56-20-00. TORQUE WRENCH TC2-7398 CAL. DUE 05/31/2023SDR SWIA202266595None · crackedL/H WING TIP SPAR 1 CRACKED, SB170-57-0072 ACCOMPLISHMENT REQUIRED IMMEDIATELY (C-CHECK RO 10/5/2022) / REMOVED AND REPLACED L/H WING TIP SPAR 1, REF SB170-57-0072 REFER TO CAMP # 25333256 FOR ALL WORK ACCOMPLISHEDSDR SWIA202266592None · corrodedCORRODED SHEAR CLIP IN AFT CARGO COMPARTMENT FR81 STRINGER 29R. (C-CHECK RO 10/5/2022) REMOVED AND REPLACED SHEAR CLIP IN AFT CARGO COMPARTMENT FR81, STGR 27R-28R REF EMB SRM 51-40-08. APPLIED CHEMICAL CONVERSION TO NEWLY DRILLED HOLES REF EMB SRM 51-23SDR SWIA202158147Probe · failedCABIN ALTITUDE HI WARNING MESSAGE ACCOMPANIED BY A PRESN AUTO FAIL CAUTION MESSAGE AT 37,000 FEET. CABIN ALTITUDE WAS STABLE AT 6600 FEET, DELTAP WAS STABLE 7.7PSI, AND LFE WAS DISPLAYED NORMALLY. ALTHOUGH THE CABIN SEEMED STABLE, CREW FOLLOWED QRC ACTIONS. QRSDR SWIA201641962Warning Light · false activationON CLIMBOUT, RECEIVED A BLEED 2 OVERPRESS CAUTION MESSAGE. CREW C/W QRH AND RETURNED TO FIELD C, DECLARED EMERGENCY WITH RT ENGINE AT IDLE. FO: 03/17/2016 COMPLIED WITH FIM TASK AND COMPLIED WITH OPS CHECKS. NO FAULTS POSTED AND ALL CHECKED OK. PERFORMED OP
STCs that may be installed · 63
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Embraer S A ERJ 170-200 LR
STC ST04801NYInstallation (including Demod option) of Connectivity AntennaSTC ST12461IBInstallation of Cockpit Voice Recorder with optional RIPS UpgradeSTC ST00885LAInstallation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles.