N135EH1984 Messerschmitt-Boelkow-Blohm BO-105S
This N-number isn't registered right now. Below is its last known registration, canceled Apr 4, 2017.
Safety record in brief:No NTSB accidents or incidents since 19823 ADs may apply24 service difficulty reports
- Registration
- Deregistered
Registration
FAA Aircraft Registry · Oct 17, 2026- Last registered owner
- Era Helicopters LLC
- Owner type
- Corporation
- City, state
- Lake Charles, LA
- Certificate issued
- May 17, 2005
- Canceled
- Apr 4, 2017
- Airworthiness
- Standard · Normal
- Airworthiness date
- Aug 23, 1984
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
- 1984
- Serial number
- S-675
- 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
- A08E30
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- 2005 – 2017Era Helicopters LLCLake Charles, LA
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 (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 (24)
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.
- Main rotor drive · caliper · damagedJun 27, 2004
DISC RUBBING CALIPER ASSY. CLEANED, INSPECTED, AND REPAIRED. TESTED.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Equipment and furnishings · elt · crackedJun 8, 2004
FOUND CRACKED ELT ASSY. SENT UNIT TO MANUFACTURER FOR REPAIR.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Landing gear · float · leakingJun 5, 2004
CYLINDER FOUND TO BE LEAKING NITROGEN FROM SQUIB VALVE. PERFORMED 6 MONTH FLOAT INSPECTION AND REPACK. REPAIRED LEAKING SQUIB VALVE BY REPLACING O-RING AND LEATHER BACK UP RING AT VALVE TO MANIFOLD JUNCTION. VERIFIED COMPLIANCE WITH SB NUMBERS 102-81-3, 120-81-4, 120-82-4, 120-84-1, 802-25-1…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Main rotor · bolt · galledMay 24, 2004
BLADE BOLT GALLED SLIGHT GALLING ON BOTH BOLTS ACTION TAKEN. SCRAPPED BOTH PRIMARY BLADE BOLTS DUE TO GALLING BEYOND LIMITS IAW BO-105 MM CH 13.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Main rotor drive · oil cooler · making metalApr 29, 2004
OIL COOLER HAD METAL IN TRANSMISSION OIL FILTER CHANGE IAW BO105 MM. LEAKING IN CORE THE UNIT WAS CLEANED, FLUSHED, OVERHAULED, TESTED AND INSPECTED. UNIT PASSED X RAY INSPETION, NO METAL.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine · bearing · failedNov 1, 2003
METAL ON BOTTOM PLUG. BROKEN NR 4 BEARING CAGE. INSTALLED SERVICEABLE GEARBOX. COMPLIED WITH E CHECK
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine fuel and control · governor · inoperativeSep 27, 2003
N2 DROPS OFF 10-12 PERCENT IN CRUISE FLIGHT AND VERY STIFF ARM. INTERNAL COMPONENTS VERY WORN FOR LOW TIME USED. POSSIBLE EXTERNAL VIBRATIONS. REPAIRED AND TESTED IAW MFG OHM FORM 15-1095A.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine fuel and control · fcu · out of adjustAug 19, 2003
FUEL CONTROL IDLES BELOW 59 PERCENT AND WILL NOT ADJUST UP. MAKING VALVE FUEL FLOW ON HOT SIDE, IDLE FOUND ADJUSTABLE, CUTOFF SHAFT LEAKING. A REPAIRED AND TESTED IAW MFG OHM FORM 15-602E.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine · engine · making metalMay 21, 2003
ENGINE MAKING METAL. FOUND TURBINE MOUNT STUD ON LT SIDE OF GEARBOX LOOSE, MOVING.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuel · transmitter · erraticMay 21, 2003
FUEL PROBE HAS ERRATIC INDICATION. REPLACED CASE ASSEMBLY AND TESTED.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Showing the 10 most recent of 24 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