- Registered owner
- Mountain Crest Holding LLC
- Location
- Whitefish, MT
- Owner type
- LLC
- Serial number
- 525B0121
- Year built
- 2006
- Type
- Fixed wing multi engine
- Engine
- Turbo-fan
- Airworthiness
- Standard, commuter
- Airworthiness date
- November 30, 2006
- Certificate issued
- November 13, 2025
- Expires
- November 30, 2032
- Mode S code
- A50707
From the FAA registry file of October 20, 2026.
On this page
Airworthiness directives that may apply · 11
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1998 | 1 |
|---|---|
| 2005 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2014 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Airframe · Cessna 525B
AD 2026-03-06Vertical Stabilizer Structure, Nacelle/Pylon, Attach FittingsAD 2024-15-09Gust Lock/Damper SystemAD 2023-10-02Indicating/Recording System, NavigationAD 2021-05-17NAVIGATION SYSTEMAD 2020-24-06Flight ControlsAD 2014-18-01NavigationAD 2008-03-10Lower wing skin structureAD 2007-23-16Electrical power relay circuit protection kitAD 2005-17-11Fire extinguisher bottlesAD 98-25-02Top-mounted AntennaEngine · Williams FJ44-3A
AD 2022-13-15Turbine SectionSuperseded and historical ADs · 2
Information bulletins that may apply · 1
Advisory, not mandatory.
Airframe · Cessna 525B
SAIB CE-10-49R1Equipment/Furnishings Drain Mast HeaterHistorical bulletins · 1
NTSB investigations
No NTSB investigations matched to N423CSMatched by N-number and event date. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Cessna 525B aircraft
FAA incident reports
No FAA accident or incident reports matched to N423CSMatched by N-number and event date. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Cessna 525B aircraft
Service difficulty reports · 12
SDR Z5FA2012020900001Circuit Board · defectiveON APPROACH, CREW NOTICED THERE WAS NO GEAR DOWN AND LOCKED INDICATION ON ANY OF THE GEAR INDICATORS. CREW DID A GO AROUND AND WAS INFORMED BY ATC THAT THE GEAR APPEARED TO BE DOWN. CREW WENT INTO A HOLD AND PERFORMED AFM GEAR CHECK LIST. AFTER GEAR WAS BLOSDR Z5FA2011112500002Smoke Detector · inoperativeON CLIMB OUT, BAGGAGE SMOKE WARNING ILLUMINATED. AN EMERGENCY WAS DECLARED AND THE ACFT DIVERTED. LANDING WAS UNEVENTFUL. MX FOUND THE AFT BAGGAGE COMPARTMENT SMOKE DETECTOR INOPERATIVE. THE AFT DETECTOR WAS REPLACED AND A SUCCESSFUL OPS CHECK WAS PERFORMED.SDR Z5FA201111150001Smoke Detector · intermittentDURING APPROACH, BAGGAGE SMOKE ANNUNCIATOR ILLUMINATED. CREW FOLLOWED THE CHECK LIST AND DECLARED AND EMERGENCY. ACFT LANDED UNEVENTFUL. NO SIGNS OF SMOKE OR FIRE DETECTED. MX DUPLICATED THE DISCREPANCY. ACCOMPLISHED EO 525B-1939B AND ACFT RETURNED TO SESDR Z5FA20111028002Indication Sys · malfunctionedON APPROACH, CREW NOTICED THERE WAS NO GEAR DOWN AND LOCKED INDICATION ON THE LT MAIN GEAR. ABORTED APPROACH. PERFORMED MLG EMERGENCY/ABNORMAL CHECK LIST. GEAR BLOWN DOWN AND GEAR INDICATION NORMAL. LANDED UNEVENTFULLY. ACFT INSPECTED AND A LANDING GEAR RESDR Z5FA201110280001Landing Gear · malfunctionedON APPROACH, CREW NOTICED THERE WAS NO GEAR DOWN AND LOCKED INDICATION ON THE LT MAIN GEAR. CREW CONTACTED ATC AND ABORTED APPROACH TO WORK THE LANDING GEAR EMERGENCY/ABNORMAL CHECK LIST. AFTER GEAR WAS BLOWN DOWN AND GEAR INDICATION WAS NORMAL THE ACFT LANDESDR Z5FA111910N423CS1Smoke Detector · inoperativeABOUT 5 MINUTES FROM AIRPORT, CREW RECEIVED A BAGGAGE SMOKE INDICATION. THEY DECLARED AN EMERGENCY INTO AIRPORT. THEY LANDED UNEVENTFULLY WHERE THEY WERE MET BY FIRE AND RESCUE FOR INSP. MX R & R THE FWD BAGGAGE COMPARTMENT SMOKE DETECTOR. SYS OPS CHECKS PASDR Z5FA051510N423CS1Smoke Detector · intermittentON DESCENT, AT AN ALTITUDE OF 15,000 FT. CREW RECEIVED A BAGGAGE SMOKE LIGHT INDICATION FOLLOWED BY A MASTER WARNING. CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. THE ACFT WAS STOPPED AND SHUTDOWN AT THE NEAREST RAMP OFF THE LANDING RUNWAY. THE FISDR Z5FA052810N423CS1Fire Detector · false activationTEN MILES OUT ON APPROACH, CREW NOTICED BAGGAGE SMOKE ANNUNCIATION, AFTER RUNNING AFM EMERGENCY CHECK LIST, CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. AFTER TOUCHDOWN CREW STOPPED ACFT ON CROSSING RUNWAY AND EVACUATED THE ACFT. FIRE RESCUE PERSOSDR Z5FA051307N423CS1Smoke Detector · defectiveON APPROACH, CREW RECEIVED BAGGAGE SMOKE DETECT ANNUNCIATION. CREW ASKED ATC FOR PRIORITY TO LAND AND HAVE EMERGENCY EQUIPMENT STANDING BY. ACFT LANDED WITHOUT INCIDENT. ON SITE, MX REPLACED FWD SMOKE DETECT UNIT AND GROUND TEST WAS SATISFACTORY, ACFT RETURNESDR Z5FA010409N423CS1Smoke Detector · defectiveENROUTE, CREW RECEIVED BAGGAGE SMOKE WARNING INDICATION. AN EMERGENCY WAS DECLARED AND ACFT DIVERTED. AFTER INSP, ON-SITE MX REPLACED FWD SMOKE DETECTOR AND OPS CHECKED SYS IAW MM 26-11-00. OPS CHECK WAS SATISFACTORY AND ACFT WAS RETURNED TO SERVICE.SDR 113007N423CSSmoke Detector · false indicationDURING CLIMB AT 15,000 FT, THE BAGGAGE SMOKE LIGHT ILLUMINATED. AIRCRAFT DIVERTED TO HPN AND MADE AN UNEVENTFUL LANDING. THE SYSTEM WAS TROUBLESHOT AND THE PROBLEM COULD NOT BE DUPLICATED. THE AIRCRAFT WAS RETURNED TO SERVICE.SDR 101107N423CSTire · rupturedDURING LANDING ROLL OUT, BEFORE BRAKES WERE APPLIED A SEVERE VIBRATION WAS FELT AND THE AIRCRAFT SUDDENLY PULLED TO THE RIGHT. AIRCRAFT WAS STOPPED ON A TAXIWAY AND CREW DISCOVERED RIGHT MAIN TIRE MISSING AND WHEEL DAMAGED.