N485UMMesserschmitt-Bolkow-Blohm BK 117 A-4
This N-number isn't registered right now. Below is its last known registration, canceled Jun 5, 2013.
Safety record in brief:No NTSB accidents or incidents since 1982No ADs since 1998 matched3 service difficulty reports
- Registration
- Deregistered
Registration
FAA Aircraft Registry · Oct 20, 2026- Last registered owner
- Rocky Mountain Holdings LLC
- Owner type
- Corporation
- City, state
- Englewood, CO
- Certificate issued
- Jun 9, 1999
- Canceled
- Jun 5, 2013
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-Bolkow-Blohm
- Model
- BK 117 A-4
- Serial number
- 7129
- Aircraft type
- Rotorcraft
- Category
- Land
- Certification
- Type Certificated
- Seats
- 8
- Engines
- 2
- Max takeoff weight
- Up to 12,499 lb
- Type certificate data sheet
- H13EU
- Mode S code
- A5FCFA
Engine
- Type
- Turbo-shaft
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 1999 – 2013Rocky Mountain Holdings LLCEnglewood, CO
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.
ADs published since 1998 that may apply (0)
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.
No ADs published since 1998 matched this airframe or engine model.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (3)
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.
- Fuselage · access door · chafedJan 24, 2011
THE LT TRANSMISSION ACCESS COWLING CHAFED INTO THE MAIN TRANSMISSION DECK STRUCTURE AT AF STA 4239, WL 2753 AND BL 452.00L BEYOND MFG ACCEPTABLE LIMITS. THE APPROVED REPAIR WAS PROVIDED BY MFG ON FAA FORM 8110-3 DATED JANUARY 17, 2011. THE REPAIR WAS COMPLIED WITH AND THE ACFT WAS RETURNED TO…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuel · fuel cap · looseMar 31, 2009
UPON REFUELING THE ACFT, FUEL CAP WAS NOT PROPERLY SEATED AND CAUSED A FUEL LEAK ONCE IN CRUISE FLIGHT. THE CAP WAS SECURE TO THE ACFT, BUT SLIGHTLY COCKED WHICH ALLOWED FUEL SEEPAGE. APPEARED VISUALLY TO BE IN PLACE DURING WALKAROUND. MEDICAL CREW SMELLED FUEL AND SAW FLUID ON THE CLAMSHELL DOOR…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Autoflight · wire · chafedFeb 24, 2008
IMMEDIATELY AFTER TAKEOFF, AN ELECTRICAL BURNING ODOR WAS NOTED IN THE COCKPIT. SPAS (STICK POSITION AUGMENTATION SYSTEM) LIGHT ILLUMINATED AND SPAS CIRCUIT BREAKER POPPED. AC LANDED BACK AT HOME BASE WITH OUT INCIDENT AFTER 6 MINUTES OF FLIGHT. THE COMPUTER DAMAGED DUE TO CHAFED WIRES IN THE SPAS…
From FAA Service Difficulty Reports; matched by N-number and serial number.
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