N423CS2006 Cessna 525B
Safety record in brief:No NTSB accidents or incidents since 19826 ADs may apply12 service difficulty reports
Registration
FAA Aircraft Registry · Oct 17, 2026- Registered owner
- Mountain Crest Holding LLC
- Owner type
- LLC
- City, state
- Whitefish, MT
- Certificate issued
- Nov 13, 2025
- Expires
- Nov 30, 2032
- Airworthiness
- Standard · Commuter
- Airworthiness date
- Nov 30, 2006
We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine
FAA Registry + type dataAirframe
- Manufacturer
- Cessna
- Model
- 525B
- Year
- 2006
- Serial number
- 525B0121
- Aircraft type
- Fixed wing multi engine
- Category
- Land
- Certification
- Type Certificated
- Seats
- 8
- Engines
- 2
- Max takeoff weight
- 12,500 - 19,999 lb
- Mode S code
- A50707
Engine
- Make and model
- Williams Fj44-3a
- Type
- Turbo-fan
- Power
- 2,820 lb thrust
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2025 – nowMountain Crest Holding LLCWhitefish, MT · current
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
Accident history for this modelADs published since 1998 that may apply (6)
These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2026-03-06 | Vertical Stabilizer Structure; 5415, Nacelle/Pylon, Attach Fittings | Mar 13, 2026 | Airframe (525B) |
| 2024-15-09 | Gust Lock/ Damper System | Oct 22, 2024 | Airframe (525B)Only with: Tamarack ATLAS winglets installed in accordance with STC No. SA03842NY. |
| 2020-24-06 | Flight Controls | Dec 28, 2020 | Airframe (525B)Only with: With Tamarack active load alleviation system (ATLAS) winglets installed in accordance with STC SA03842NY. |
| 2008-03-10 | Cessna Aircraft Company Models 525, 525A, and 525B Airplanes | Mar 11, 2008 | Airframe (525B)Certain serial numbers: 525 0001–0637; 525A 0001–0347; 525B 0001–0152. Only with: Cockpit mounted pilot relief tube installed. |
| 2007-23-16 | Cessna Aircraft Company, Model 525B Airplanes | Dec 19, 2007 | Airframe (525B)Certain serial numbers: 525B 0001–0013 |
Show all 6 ADsShow fewer ADs
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2005-17-11 | The Cessna Aircraft Company Models 525, 525A, and 525B Airplanes | Oct 7, 2005 | Airframe (525B)Certain serial numbers: 525 525-0001–525-0600; 525A 525A-0001–525A-0234; 525B 525B-0001–525B-0035 |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (12)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
- Landing gear · circuit board · defectiveFeb 9, 2012
ON 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 BLOWN AND CIRCUIT BREAKER WAS RESET, THE…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fire protection · smoke detector · inoperativeNov 20, 2011
ON 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. ACFT WAS RETURNED TO SERVICE.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fire protection · smoke detector · intermittentNov 15, 2011
DURING 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 SERVICE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Landing gear · landing gear · malfunctionedOct 28, 2011
ON 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 LANDED, UNEVENTFULLY. MOBILE SERVICE UNIT…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Landing gear · indication sys · malfunctionedOct 28, 2011
ON 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 RETRACTION TEST PERFORMED. NO ANOMALIES…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fire protection · smoke detector · inoperativeNov 19, 2010
ABOUT 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 PASSED. ACFT RETURNED TO SERVICE.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fire protection · smoke detector · intermittentJun 15, 2010
ON 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 FIRE DEPT COMPLETED AN INSP OF THE ACFT…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fire protection · fire detector · false activationMay 28, 2010
TEN 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 PERSONNEL INSPECTED ACFT AND COULD FIND NO…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fire protection · smoke detector · defectiveMay 13, 2009
ON 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 RETURNED TO SERVICE.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fire protection · smoke detector · defectiveJan 4, 2009
ENROUTE, 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.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Showing the 10 most recent of 12 reports.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026