# N89NW: 2005 Hermann Bjorn LANCAIR IV

- Status: Valid registration
- Airframe: [Hermann Bjorn LANCAIR IV](https://openairdocs.org/model/hermann-bjorn-lancair-iv) (registry code 05617ZC, 4 seats)
- Engine: [Walter M601 series](https://openairdocs.org/engine/walter-m601-series) (registry code 64003)
- Data sheets: [TCDS E00048EN](https://openairdocs.org/tcds/E00048EN) (GE Aviation Czech s.r.o.) (OpenAirDocs)
- Serial number: LIV556
- Year built: 2005
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Kit: Lancair Intl Inc LANCAIR IV/IV FAST
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 29, 2005
- Certificate issued: December 9, 2016
- Expires: December 31, 2029
- Mode S code: AC443C
- Registered owner: [Common Cents Holding Company LLC](https://openairdocs.org/faa-owner/COMMON%20CENTS%20HOLDING%20COMPANY%20LLC)
- Location: [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis)
- Owner type: LLC
- Owner's area on the map: 35.1531° N, 90.0565° W: Placed by OpenAirDocs at the center of ZIP code 38103, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=89NW
- Page: https://openairdocs.org/aircraft/N89NW

From the FAA registry file of October 24, 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. The registry lists only the engine series, so ADs for every Walter M601 model are included.

## ADs that may apply (OpenAirDocs): 13 in force

### Matched by airframe (Hermann Bjorn LANCAIR IV)

None in force.

### Matched by engine (Walter M601 series)

- [AD 2025-18-08](https://openairdocs.org/ad/2025-18-08): Engine Mount Section; Turbine Engine Compressor Section · GE Aviation Czech s.r.o. M601D-11, M601E-11, M601E-11A and 3 more. Effective Oct 21, 2025
- [AD 2024-03-05](https://openairdocs.org/ad/2024-03-05): Turbine Engine Reduction Gear · GE Aviation Czech s.r.o. M601D-11, M601E-11, M601E-11A and 3 more. Effective Apr 17, 2024
- [AD 2024-02-04](https://openairdocs.org/ad/2024-02-04): Turbine Engine Compressor Section · GE Aviation Czech s.r.o. M601E-11, M601E-11A, M601E-11AS and 1 more. Effective Mar 28, 2024
- [AD 2023-12-24](https://openairdocs.org/ad/2023-12-24): Engine · GE Aviation Czech s.r.o. M601E-11AS, M601E-11S, H75-100 and 2 more. Effective Aug 15, 2023
- [AD 2023-01-10](https://openairdocs.org/ad/2023-01-10): Turbine Engine Compressor Section · GE Aviation Czech s.r.o. M601E-11, M601E-11A, M601E-11AS and 2 more. Effective Mar 13, 2023
- [AD 2022-26-01](https://openairdocs.org/ad/2022-26-01): Turbine Engine Combustion Section · GE Aviation Czech s.r.o. M601D-11, M601E-11, M601E-11A and 10 more. Effective Jan 26, 2023
- [AD 2022-14-12](https://openairdocs.org/ad/2022-14-12): Turbine Engine Reduction Gear · GE Aviation Czech s.r.o. M601F, M601E-11, M601E-11A and 3 more. Effective Aug 18, 2022
- [AD 2022-13-16](https://openairdocs.org/ad/2022-13-16): Turbine Engine Compressor Section · GE Aviation Czech s.r.o. M601D-11. Effective Aug 1, 2022
- [AD 2020-23-01](https://openairdocs.org/ad/2020-23-01): Fuel Control/Turbine Engines · GE Aviation Czech s.r.o. H75-200, H80-100, H80-200 and 7 more. Effective Nov 24, 2020
- [AD 2020-15-04](https://openairdocs.org/ad/2020-15-04): Engine Collector/Tailpipe/Nozzle · GE Aviation Czech s.r.o. H75-100, H75-200, H80 and 10 more. Effective Aug 31, 2020
- [AD 2020-15-03](https://openairdocs.org/ad/2020-15-03): Turbine Section · GE Aviation Czech s.r.o. M601D-11, M601E-11, M601E-11A and 3 more. Effective Aug 31, 2020
- [AD 2015-17-20](https://openairdocs.org/ad/2015-17-20): Gas generator turbine (GGT) blades · GE Aviation Czech s.r.o. M601E-11, M601E-11A and M601F. Effective Oct 1, 2015
- [AD 2015-14-02](https://openairdocs.org/ad/2015-14-02): Reduction gearbox and supporting cone · GE Aviation Czech s.r.o. M601E-11, M601E-11A and M601F. Effective Aug 18, 2015

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

- [AD 2024-06-02](https://openairdocs.org/ad/2024-06-02) (historical): Engine Mount Section; Turbine Engine Compressor Section · GE Aviation Czech s.r.o. M601D-11, M601E-11, M601E-11A and 3 more. Effective Apr 11, 2024
- [AD 2021-13-07](https://openairdocs.org/ad/2021-13-07) (historical): Engine (Turbine/Turboprop) · GE Aviation Czech s.r.o. M601D-11, M601E-11, M601E-11A and 3 more. Effective Jun 30, 2021
- [AD 2018-03-22](https://openairdocs.org/ad/2018-03-22) (historical): Turbine Section · GE Aviation Czech s.r.o. M601D-11, M601E-11, M601E-11A and 3 more. Effective Mar 21, 2018
- [AD 2016-07-13](https://openairdocs.org/ad/2016-07-13) (historical): Engine power turbine (PT) disk · GE Aviation Czech s.r.o. M601E-11. Effective Apr 22, 2016

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N89NW.

## NTSB investigations on N89NW not matched to an aircraft (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX92LA319](https://openairdocs.org/ntsb/LAX92LA319), Jul 28, 1992: Bell UH-1B (N89NW), Hayfork, CA, substantial damage. Probable cause: THE FAILURE OF THE MAIN ROTOR DRIVE SHAFT DUE TO THE IMPROPER INSTALLATION BY COMPANY MAINTENANCE PERSONNEL OF AN 'O' RING SEAL, WHICH ALLOWED THE PACKING GREASE TO ESCAPE AND CAUSED THE OVER…

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20131031024959I](https://openairdocs.org/incident/20131031024959I), Oct 31, 2013: Hermann Bjorn LANCAIR IV (N89NW), Fort Stockton, TX, Minor damage. On October 31, 2013, at 2115 CDT, a Lancair IV home built bearing the registration number N89NW, [privacy data omitted], had the gear collapse while landing on…
- [Incident 20080904844889I](https://openairdocs.org/incident/20080904844889I), Sep 4, 2008: Amtr LANCAIRIV (N89NW), Seattle, WA, Minor damage. (-23) Owner of the airplane pulled the aircraft out of a hangar using an electric tow bar attached to the nose gear. Then proceeded to start the engine with…

## Reports on N89NW not matched to an aircraft (1)

They name N89NW, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19920728027929A](https://openairdocs.org/incident/19920728027929A), Jul 28, 1992: Bell UH1B (N89NW), Hayfork, CA, Substantial damage. Loud bang trailing long line. Autorotated into trees. Main rotor drive shaft failed. Old o ring used in maintenance

## 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)

None matched to this aircraft's models.

## Related

- Other Hermann Bjorn LANCAIR IV aircraft: https://openairdocs.org/model/hermann-bjorn-lancair-iv/aircraft.md
- The Walter M601 series engine: https://openairdocs.org/engine/walter-m601-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.