N818321989 Messerschmitt-Boelkow-Blohm BO-105S
This N-number isn't registered right now. Below is its last known registration, canceled Feb 23, 2018.
Safety record in brief:No NTSB accidents or incidents since 19823 ADs may apply53 service difficulty reports
- Registration
- Deregistered
Registration
FAA Aircraft Registry · Oct 20, 2026- Last registered owner
- Nn Flyers LLC
- Owner type
- Corporation
- City, state
- Euless, TX
- Certificate issued
- May 21, 2012
- Canceled
- Feb 23, 2018
- Airworthiness
- Standard · Normal
- Airworthiness date
- Apr 25, 1990
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
- Messerschmitt-Boelkow-Blohm
- Model
- BO-105S
- Year
- 1989
- Serial number
- S-828
- Aircraft type
- Rotorcraft
- Category
- Land
- Certification
- Type Certificated
- Seats
- 5
- Engines
- 2
- Max takeoff weight
- Up to 12,499 lb
- Type certificate data sheet
- H3EU
- Mode S code
- AB29F0
Engine
- Make and model
- Allison 250-C20 Ser
- Type
- Turbo-shaft
- Power
- 420 hp
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2012 – 2018Nn Flyers LLCEuless, TX
- 1968 – 1969Individual ownerColumbus, OH · different airframe: 1945 Aeronca 7ac S/N 7ac-455
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 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 (3)
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 |
|---|---|---|---|
| 2006-16-04 | Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division… | Sep 7, 2006 | Engine (250-C20 SER) |
| 2006-13-06 | Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division… | Jul 26, 2006 | Engine (250-C20 SER)Only with: Engines with gas producer rotor assembly tie bolt P/Ns A23008020, E23008020 (EXTEX), 23008020, 6843388, 6876991 (RRC), A23008020 (SAP), or 23008020P (Pacific Sky Supply) installed. |
| 2005-10-13 | Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E… | Jun 22, 2005 | Engine (250-C20 SER)Only with: Engines that do not have turbine energy absorbing ring RRC P/N 23035175, or an equivalent FAA-approved serviceable ring, installed. |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (53)
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.
- Fire protection · fire detector · looseApr 14, 2006
NR 2 FIRE WARNING LIGHT FLASHING, RETURNED AND LANDED WITHOUT INCIDENT. FOUND WIRE TERMINAL RETAINING NUT AT DETECTOR LOOSE. REPAIRED.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Hydraulic power · solenoid valve · warning lightApr 28, 2005
DURING CRUISE FLIGHT, THE HYDRAULIC BLOCK LIGHT CAME ON. RETURNED TO BASE AND MAINTENANCE REPLACED SOLENOID VALVE.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Electrical power · battery · dischargedJun 23, 2003
MAIN BATTERY VOLTAGE TOO LOW TO ACTIVATE RELAY. BATTERY WEAK. TO BE SENT TO VENDOR FOR REPAIR.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Electrical power · brushes · wornJan 7, 2003
STARTER GENERATOR HAS WORN BRUSHES. REPLACED BRUSHES.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Tail rotor drive · shaft · damagedDec 11, 2002
FWD BEARING ROUGH; AFT BEARING DETERIORATED. REPLACED BEARINGS AND REPAIRED.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Navigation · indicator · inoperativeDec 11, 2002
TURN AND BANK INDICATOR INOPERATIVE.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Navigation · indicator · incorrectDec 11, 2002
TURN AND BANK INDICATOR INOPERATIVE, SLIP NEEDLE STICKS. TO BE SENT TO VENDOR FOR REPAIR.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Lights · bulb · blownDec 11, 2002
LANDING LIGHT HAS A BLOWN BULB. REPLACED WITH SERVICEABLE PART.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine indicating · indicator · stuckDec 11, 2002
DUAL TORQUE INDICATOR NR 1 NEEDLE STICKS. REPLACED WITH SERVICEABLE PART.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuel · fuel cell · leakingDec 11, 2002
FUEL CELL LEAKING.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Showing the 10 most recent of 53 reports.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026