# N7161J: 1990 Messerschmitt-Boelkow-Blohm BO-105S, registration cancelled 1999-01-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 7, 1999
- Status when cancelled: Triennial form not returned
- Airframe: [Messerschmitt-Boelkow-Blohm BO-105S](https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s) (registry code 5626006)
- Engine: [Allison 250-C20 series](https://openairdocs.org/engine/allison-250-c20-series) (registry code 03020)
- Data sheets: [TCDS H3EU](https://openairdocs.org/tcds/H3EU), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (OpenAirDocs)
- Serial number: S834
- Year built: 1990
- Type of aircraft: Rotorcraft
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: June 27, 1990
- Certificate issued: January 2, 1991
- Last registry action: November 20, 2001
- Mode S code: A994DB
- Owner when cancelled: [Deutsche Financial Services Holding Corporation](https://openairdocs.org/faa-owner/DEUTSCHE%20FINANCIAL%20SERVICES%20HOLDING%20CORPORATION)
- Location: [Deerfield, IL](https://openairdocs.org/faa-place/IL/Deerfield)
- Owner type: Corporation
- Owner's area on the map: 42.1737° N, 87.8784° W: Placed by OpenAirDocs at the center of ZIP code 60015, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N7161J
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7161J
- Page: https://openairdocs.org/deregistered/N7161J-1999-01-07

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Messerschmitt-Boelkow-Blohm BO-105S: https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s.md

## Service difficulty reports (11)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR HAIHEEA9741](https://openairdocs.org/sdr/HAIHEEA9741), Apr 30, 1997: CLUTCH. WORN. ENERGIZING RIBBON WORN. SPRAGS ARE LOOSE. SENT TO Z F LUFTFAHRTTECHNIK GMBH FOR INSPECTION AND REPAIR.
- [SDR HAIHEEA9740](https://openairdocs.org/sdr/HAIHEEA9740), Apr 30, 1997: CLUTCH. WORN. FREEWHEEL CLUTCH ENERGIZING RIBBON WORN. SPRAGS ARE LOOSE.
- [SDR HEEA979169](https://openairdocs.org/sdr/HEEA979169), Mar 12, 1997: CONTROL UNIT. DEFECTIVE. DOESN'T GIVE ALL NUMBERS. ALSO C1000 DOES NOT ENABLE R/T TO TRANSMIT OR RECEIVE.
- [SDR HEEA968118](https://openairdocs.org/sdr/HEEA968118), Oct 4, 1996: CONTROL UNIT. DEFECTIVE. SECOND THUMBWHEEL AND SECOND DISPLAY LIGHTS INCORRECT.
- [SDR HEEA968109](https://openairdocs.org/sdr/HEEA968109), Oct 4, 1996: TRANSMITTER. FAILED. FUEL PRESSURE DOES NOT INDICATE.
- [SDR HEEA967624](https://openairdocs.org/sdr/HEEA967624), Aug 2, 1996: NOZZLE VANES. CRACKED. TURBINE REMOVED DUE TO 1750 HOUR INSPECTION. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND SERVICEABLE LIMITS ON NR 1 NOZZLE VANES. REPLA
- [SDR HEEA956165](https://openairdocs.org/sdr/HEEA956165), Dec 5, 1995: CLUTCH. CAGE BROKEN. DURING 600 HOUR CLUTCH INSPECTION; FOUND INNER CAGE BROKEN ON CLUTCH. REPLACED WITH SERVICEABLE PART.
- [SDR HEEA955882](https://openairdocs.org/sdr/HEEA955882), Oct 13, 1995: TRANSMITTER. DEFECTIVE. ERRATIC READING. REPLACED WITH SERVICEABLE TRANSMITTER.
- [SDR HEEA955881](https://openairdocs.org/sdr/HEEA955881), Oct 13, 1995: TRANSMITTER. DEFECTIVE. OIL PRESSURE FLUCTUATING AND PEGS TO HIGH SIDE. REPLACED WITH SERVICEABLE OIL PRESSURE TRANSMITTER.
- [SDR HEEA954856](https://openairdocs.org/sdr/HEEA954856), Apr 24, 1995: TANK. LEAK. DUE TO PIN-HOLE LEAK ON FILLER NECK SEAM AS MARKED IN RED.
- [SDR HEEA954294](https://openairdocs.org/sdr/HEEA954294), Jan 11, 1995: TRANSCEIVER. DEFECTIVE. TRANSCEIVER HAS TO WARM UP BEFORE UNIT COMES ON.

## NTSB investigations (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 FTW97FA121](https://openairdocs.org/ntsb/FTW97FA121), Mar 14, 1997: MBB BO-105S (N7161J), Lena, LA, destroyed, 1 fatal. Probable cause: The pilot's continued VFR flight into instrument meteorological conditions, and his subsequent loss of aircraft control due to spatial disorientation. Factors were the pilot not following company…

## FAA accident and incident reports (1)

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.

- [Accident 19970314003079A](https://openairdocs.org/incident/19970314003079A), Mar 14, 1997: Bolkms BO105S (N7161J), Alexandria, LA, Destroyed, 1 fatal. Air ambulance returning from passenger drop off. Crashed. (-23) the pilot and EMT departed lafayette, Louisiana, and picked up a patient at eunice, Louisiana,…

## Other aircraft with N7161J

- [Registered now](https://openairdocs.org/aircraft/N7161J): Bell 206A, S/N 135

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