# N448LL: 2007 Cessna 525

- Status: Valid registration
- Airframe: [Cessna 525](https://openairdocs.org/model/cessna-525) (registry code 2076601, 8 seats)
- Engine: [Wmsintl FJ44-1AP](https://openairdocs.org/engine/wmsintl-fj44-1ap) (registry code 66003)
- Data sheets: [TCDS A1WI](https://openairdocs.org/tcds/A1WI) (Textron Aviation Inc.), [TCDS E3GL](https://openairdocs.org/tcds/E3GL) (Williams International Company L.L.C.) (OpenAirDocs)
- Serial number: 525-0651
- Year built: 2007
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, normal
- Airworthiness date: September 4, 2007
- Certificate issued: April 21, 2026
- Expires: April 30, 2033
- Mode S code: A5695A
- Registered owner: [Valiair Lc Owner Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LC%20OWNER%20TRUSTEE)
- Location: [Casper, WY](https://openairdocs.org/faa-place/WY/Casper)
- Owner type: LLC
- Owner's area on the map: 43.0653° N, 106.3418° W: Placed by OpenAirDocs at the center of ZIP code 82601, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=448LL
- Page: https://openairdocs.org/aircraft/N448LL

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 17 in force

### Matched by airframe (Cessna 525)

- [AD 2024-15-09](https://openairdocs.org/ad/2024-15-09): Gust Lock/Damper System · Textron 525, 525A and 525B with STC SA03842NY. Effective Oct 22, 2024
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2020-24-06](https://openairdocs.org/ad/2020-24-06): Flight Controls · Textron 525, 525A and 525B with STC SA03842NY. Effective Dec 28, 2020
- [AD 2014-18-01](https://openairdocs.org/ad/2014-18-01): Navigation · Bombardier ATR42-200, ATR42-300, ATR42-320 and 23 more. Effective Oct 14, 2014
- [AD 2013-08-05](https://openairdocs.org/ad/2013-08-05): Air Conditioning · Cessna 525. Effective May 30, 2013
- [AD 2006-16-18 R1](https://openairdocs.org/ad/2006-16-18-R1): Installing a warning placard on the TAWS/RMI · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 100 more. Effective Jul 18, 2008
- [AD 2008-12-01](https://openairdocs.org/ad/2008-12-01): Firewall sealant · Cessna 525. Effective Jul 16, 2008
- [AD 2008-03-10](https://openairdocs.org/ad/2008-03-10): Lower wing skin structure · Cessna 525, 525A and 525B. Effective Mar 11, 2008
- [AD 2005-17-11](https://openairdocs.org/ad/2005-17-11): Fire extinguisher bottles · Cessna 525, 525A and 525B. Effective Oct 7, 2005
- [AD 2004-14-20](https://openairdocs.org/ad/2004-14-20): Pitch trim circuit breaker and AP servo circuit breaker · Cessna 525. Effective Aug 23, 2004
- [AD 2004-08-15](https://openairdocs.org/ad/2004-08-15): TAWS8000 terrain awareness warning systems (TAWS) · Cessna 421, 500, 501 and 18 more. Effective Jun 7, 2004
- [AD 2002-20-09](https://openairdocs.org/ad/2002-20-09): Adaptive flight display units · Bombardier CL-600-2A12 (CL-601), 525, 525A and 5 more. Effective Nov 12, 2002
- [AD 2001-23-17](https://openairdocs.org/ad/2001-23-17): GNS 430 units · Cessna 172, 182, 206 and 209 more. Effective Dec 28, 2001
- [AD 2001-02-13](https://openairdocs.org/ad/2001-02-13): Power Battery Switches · Cessna 525. Effective Feb 28, 2001
- [AD 97-05-03 R1](https://openairdocs.org/ad/97-05-03-R1): Global Positioning Systems · BAE Systems Avro 146-RJ100A, BAe 146-200A, Jetstream Model 4101 and 27 more. Effective Apr 20, 1999
- [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998
- [AD 97-01-02](https://openairdocs.org/ad/97-01-02): MLG Trunnion Pins · Cessna 525. Effective Jan 15, 1997

### Matched by engine (Wmsintl FJ44-1AP)

None in force.

### Historical (superseded or no longer in force)

- [AD 2019-08-13](https://openairdocs.org/ad/2019-08-13) (historical): Flight Controls · Textron 525, 525A and 525B with STC SA03842NY. Effective May 24, 2019
- [AD 2003-21-07](https://openairdocs.org/ad/2003-21-07) (historical): Pitch trim circuit breaker · 525. Effective Oct 22, 2003

## Information bulletins (advisory) (1 in force)

- [SAIB CE-10-49R1](https://openairdocs.org/saib/CE-10-49R1): Equipment/Furnishings Drain Mast Heater. Issued Jan 5, 2011
- [SAIB CE-10-49](https://openairdocs.org/saib/CE-10-49) (historical): Equipment/Furnishings Drain Mast Heater. Issued Sep 23, 2010

## NTSB investigations

None matched to N448LL.

## FAA accident and incident reports

None matched to N448LL.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (129, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Cessna 525)

- [STC ST01305WI-D](https://openairdocs.org/stc/ST01305WI-D): Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision. Rockwell Collins Inc
- [STC SA01844WI](https://openairdocs.org/stc/SA01844WI): Installation of Garmin GFC 600 Automatic Flight Control System. Garmin International Inc
- [STC SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA12030NY](https://openairdocs.org/stc/SA12030NY): Installation of the position/anti-collision LED lights and LED beacon light. Whelen Aerospace Technologies
- [STC SA04750NY](https://openairdocs.org/stc/SA04750NY): Installation of the Electric Flushing Toilet and External Service Panel. Skyway Group Inc
- [STC SA12345IB](https://openairdocs.org/stc/SA12345IB): Replacement of the Halon Type 1211 portable fire extinguisher with the Halotron BrX portable fire extinguisher. Cessna Duesseldorf Citation Service Center GmbH
- [STC SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc
- [STC SA02017WI](https://openairdocs.org/stc/SA02017WI): The Installation of the Parker-Meggitt iPRESS™ System. 3S Certification LLC
- [STC SA12014LA](https://openairdocs.org/stc/SA12014LA): Installation of aluminum and fiberglass wheel covers. Premiere-Aviation Inc
- [STC SA04619CH](https://openairdocs.org/stc/SA04619CH): INSTALL SMARTSKY LITE SYSTEM. Apcela IFC JV, LLC dba Apcela ATG
- [STC SA11158SC](https://openairdocs.org/stc/SA11158SC): Demonstration of aircraft tolerance to potential electromagnetic interference from certain Transmitting Potable Electronic Devices (T-PEDS). Liberty Partners Inc
- [STC SA11300DS](https://openairdocs.org/stc/SA11300DS): Upgrade previously installed Collins Aerospace Radar Altimeter. BHE & Associates Ltd
- [STC SA09887AC](https://openairdocs.org/stc/SA09887AC): Installation of an Avionica MK-III mini Quick Access Recorder (QAR) and optional 4G or LTE Avionica Cellular Module (avCM. Aircraft Systems and Manufacturing Inc
- [STC SA11874LA](https://openairdocs.org/stc/SA11874LA): Installation of Collins Iridium Certus Satcom. Q.C.M. Design GmbH
- [STC SA11301DS](https://openairdocs.org/stc/SA11301DS): Installation of an AirSync flight data monitoring system. BHE & Associates Ltd
- [STC SA01848WI](https://openairdocs.org/stc/SA01848WI): Modification of a Rockwell Collins Global Positioning System (GPS). Rockwell Collins Inc
- [STC SA00209IB](https://openairdocs.org/stc/SA00209IB): Installation of Single Garmin GTN 725(Xi)/GTN 750 (Xi) Unit and optional Garmin Flight Stream FS 510. AVIONIK STRAUBING ENTWICKLUNGS GmbH
- [STC SA04051CH](https://openairdocs.org/stc/SA04051CH): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders. CMD Flight Solutions LLC
- [STC SA03316CH](https://openairdocs.org/stc/SA03316CH): Activation of an 802.11 a/b/g/n WiFi System. Elliott Aviation Technical Products Development Inc
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA11219SC](https://openairdocs.org/stc/SA11219SC): Installation of a Rockwell Collins Pro Line Fusion ® embedded display system (EDS) with updated flight recorder data outputs for interface with the Digital Flight Data Recorder (DFDR). BHE & Associates LTD
- [STC SA00120IB](https://openairdocs.org/stc/SA00120IB): Installation of the Universal Kapture Cockpit Voice Recorder (CVR) with Recorder Independent Power Supply (RIPS). Avmax Aviation Services Inc
- [STC SA02010WI](https://openairdocs.org/stc/SA02010WI): Installation of the Mid-Continent Instruments & Avionics MD23 FLEX Custom Function Display (CFD). Mid-Continent Instruments and Avionics
- [STC SA10245SC](https://openairdocs.org/stc/SA10245SC): Installation of Heads Up Technologies, Inc. XM 400 Radio Receiver and Antenna System. Heads Up Technologies Inc
- [STC SA00093IB](https://openairdocs.org/stc/SA00093IB): Installation of the provisions for wireless connection of a PED/EFB to Garmin G3000 avionics via Garmin FS-510. CESSNA DUESSELDORF CITATION
- [STC SA00076IB](https://openairdocs.org/stc/SA00076IB): Installation of Photo luminescent Safety Systems. STG AEROSPACE GERMANY GmbH
- [STC ST00011WI](https://openairdocs.org/stc/ST00011WI): Installation of Concorde RG380E/40 and 40B battery. Aero-Mach Wilco LLC
- [STC SA01085DE](https://openairdocs.org/stc/SA01085DE): Master Drawing List, Doc No. MDL-TXT-001, LinxUs Legacy, Issue IR.1,. Textron Aviation Inc
- [STC SA00024IB](https://openairdocs.org/stc/SA00024IB): Installation of S/W 6.71 updated Garmin GTN6/750 or alternatively GTN6/750Xi navigation instruments, with Garmin Flight Stream 510 Bluetooth in accordance with Avionik Straubing. Avionik Straubing Entwicklungs GmbH
- [STC SA02272SE](https://openairdocs.org/stc/SA02272SE): Installation of a Crane Aerospace & Electronics Tire Sensor Assembly. ELDEC Corporation
- [STC SA09856AC](https://openairdocs.org/stc/SA09856AC): Installation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & Equipments. Honeywell International Inc (Bendix King)
- [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC SA01958WI](https://openairdocs.org/stc/SA01958WI): Installation of Garmin Avionics Modernization Package. Blackhawk Aerospace Technologies Inc
- [STC SA01755WI](https://openairdocs.org/stc/SA01755WI): Installation of a GPS LEFT/RIGHT Deviation Converter. JETTECH LLC
- [STC SA01960WI](https://openairdocs.org/stc/SA01960WI): Installation of a RVSM-capable Garmin GDU-1060 Touch Screen PFD. JETTECH LLC
- [STC SA02075SE](https://openairdocs.org/stc/SA02075SE): Installation of a Mid-Continent MD835( ) Lithium Ion Battery. Mid-Continent Instrument Co. Inc
- [STC SA04525NY](https://openairdocs.org/stc/SA04525NY): Installation of dual GPS/NAV/COMM Garmin GNS430/530(A)W. Avionik Straubing GmbH
- [STC SA04520NY](https://openairdocs.org/stc/SA04520NY): ADS-B Out GNSS source modification for transponder #2. CESSNA Duesseldorf Citation Service
- [STC SA04514NY](https://openairdocs.org/stc/SA04514NY): Single/Dual Transponder System ADS-B Upgrade. Scandinavian Avionics Design ApS
- [STC SA02677LA](https://openairdocs.org/stc/SA02677LA): Modification to upgrade the existing Mode S Transponder system by installing the ACSS NXT-700 Transponder with ADS-B Out and optionally install the ACSS NXG-900 GPS as the position source for ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC SA02678LA](https://openairdocs.org/stc/SA02678LA): Modification to upgrade the existing Mode S Transponder system by installing the ACSS NXT-600 Transponder with ADS-B Out and optionally install the ACSS NXG-900 GPS as the position source for ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC SA04430NY](https://openairdocs.org/stc/SA04430NY): Installation of Standby Instrument. Avionik Straubing Entwicklungs GmbH
- [STC SA03842NY](https://openairdocs.org/stc/SA03842NY): Installation of the Tamarack ATLAS Winglets. Tamarack Aerospace Group Inc
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA04015NY](https://openairdocs.org/stc/SA04015NY): Installation of Cabin Entry Step Assembly. Skyway Group Inc
- [STC SA01093SE](https://openairdocs.org/stc/SA01093SE): Installation and inspection of emergency medical stretcher and base, and oxygen system. LifePort LLC
- [STC SA01903CH](https://openairdocs.org/stc/SA01903CH): Replacement of certain Goodrich pneumatic deicer boots. SMR Technologies Inc
- [STC SA03241CH](https://openairdocs.org/stc/SA03241CH): Install air ambulance conversion. Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SA00765DE](https://openairdocs.org/stc/SA00765DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor. Peregrine

All 129: https://openairdocs.org/aircraft/N448LL/stcs.md

## Related

- Other Cessna 525 aircraft: https://openairdocs.org/model/cessna-525/aircraft.md
- The Wmsintl FJ44-1AP engine: https://openairdocs.org/engine/wmsintl-fj44-1ap.md

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