N911HM1984 Messerschmitt-Boelkow-Blohm BO-105S
This N-number isn't registered right now. Below is its last known registration, canceled Mar 8, 2002.
Safety record in brief:No NTSB accidents or incidents since 19823 ADs may apply33 service difficulty reports
- Registration
- Deregistered
Registration
FAA Aircraft Registry · Oct 17, 2026- Last registered owner
- Petroleum Helicopters INC
- Owner type
- Corporation
- City, state
- Lafayette, LA
- Certificate issued
- Oct 26, 1994
- Canceled
- Mar 8, 2002
- Airworthiness
- Standard · Normal
- Airworthiness date
- Jul 23, 1989
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-683
- 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
- AC9B1D
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- 1994 – 2002Petroleum Helicopters INCLafayette, 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 (33)
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 · pinion gear · spalledAug 21, 2001
GEAR TEETH SPALLING AT TOOTH TIP. REPLACED WITH SERVICEABLE PART.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Main rotor drive · bevel gear · spalledAug 21, 2001
GEAR TEETH SPALLING AT TOOTH ROOT. REPLACED WITH SERVICEABLE PART.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Navigation · indicator · inaccurateNov 17, 1999
HSI CONTROL INDICATED 90 DEGREES OFF COURSE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Engine · nozzle · crackedOct 28, 1999
ENGINE REMOVED DUE TO LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED AND MISSING COATING OUT OF SERVICEABLE LIMITS ON NR 1 NOZZLE VANES.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Communications · control unit · malfunctionedJul 12, 1999
NUMBERS ON CONTROL UNIT INTERMITTENTLY CHANGING.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Communications · control unit · malfunctionedJul 12, 1999
FREQUENCY DISPLAY INTERMITTENT ON CONTROL UNIT.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Electrical power · starter · malfunctionedApr 5, 1999
STARTER/GENERATOR HAD SLOW STARTS.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Communications · control unit · failedJan 25, 1999
CONTROL UNIT INOPERATIVE. WILL NOT LOAD FREQUENCIES.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Main rotor drive · ring gear · crackedNov 6, 1998
MAKING METAL. FOUND RING GEAR CRACKED AT ALIGNMENT BOLT HOLE FORWARD POSITION. ALSO FOUND COLLECTOR WHEEL, SUNGEAR , 2 EACH INTERMEDIATE SHAFT, 5 EACH PLANETARY GEARS SPALLING. REPAIRED TRANSMISSION AND INSTALLED SERVICEABLE PARTS.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Tail rotor · center case · wornNov 6, 1998
TAIL ROTOR BORE WORN, ACCY BORE WORN, NOZZLE RING BORE WORN.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Showing the 10 most recent of 33 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