N235CH1981 Boeing-Vertol 234LR
Safety record in brief:No NTSB accidents or incidents since 1982No ADs since 1998 matched8 service difficulty reports
Registration
FAA Aircraft Registry · Oct 20, 2026- Registered owner
- Columbia Helicopters INC
- Owner type
- Corporation
- City, state
- Aurora, OR
- Certificate issued
- Jul 7, 2023
- Expires
- Jul 31, 2030
- Airworthiness
- Standard · Transport
- Airworthiness date
- May 23, 2018
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
- Boeing-Vertol
- Model
- 234LR
- Year
- 1981
- Serial number
- MJ002
- Aircraft type
- Rotorcraft
- Category
- Land
- Certification
- Type Certificated
- Seats
- 35
- Engines
- 2
- Max takeoff weight
- 20,000 and over lb
- Type certificate data sheet
- H9EA
- Mode S code
- A21B4D
Engine
- Make and model
- Honeywell Al5512
- Type
- Turbo-shaft
- Power
- 4075 hp
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2023 – nowColumbia Helicopters INCAurora, OR · current
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 (8)
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.
- Engine · engine · overtempNov 5, 2025
DURING DESCENT TO DROP OFF PASSENGERS AND CARGO, THE NR 2 ENGINE PTT BEGAN TO RISE TO 905C AND THE N1 WAS AT 102% FOR AT LEAST 15 SECONDS. ACFT RETURNED TO BASE. NO DUPLICATION OF INCIDENT COULD BE MADE ON THE GROUND. ENGINE AND FCU WILL BE REPLACED.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine controls · control box · activation errorJul 18, 2024
THREE MINS AFTER TAKEOFF, THE COPILOT NOTED A SPLIT IN TORQUE SHOWING THE #1 ENGINE HAD ROLLED BACK TO 40% TORQUE. THE ENGINE WAS BEEPED UP AND THE AIRCRAFT WAS RETURNED TO BASE. TROUBLESHOOTING FOUND NO DEFECTS NOTED. FOR PRECAUTIONARY MEASURES, REPLACED #1 ENGINE N2 ACTUATOR AND N2 CONTROL BOX.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine controls · control box · activation errorJul 16, 2024
SHORTLY AFTER INITIAL TAKE OFF FROM OUA, PILOT NOTED THE #1 ENGINE SOUNDING LIKE IT WAS ROLLING BACK. LOOKING AT THE GAUGES HE FOUND A 35% TORQUE SPLIT BETWEEN THE #1 AND #2 ENGINES. HE THEN PUT THE #1 ENGINE IN MANUAL AND CONTROLLED THE BEEPS FROM THERE. RETURNED THE AIRCRAFT TO BASE WHERE…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 8 reportsShow fewer reports
- Nacelles and pylons · support fitting · crackedFeb 1, 2021
DURING RAMP CHECK, FOUND VERT SHAFT #2 SIDE FORWARD ATTACHMENT SUPPORT FITTING CRACKED ALL THE WAY ACROSS THE UPPER HI-LOKS.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine · engine · power lossNov 22, 2019
WHILE IN CRUISE FLIGHT FROM BAGRAM THE PIC HEARD A CHANGE IN RRPM AND OBSERVED THE #1 ENGINE TQ DECREASE BY APPROXIMATELY 20% THEN RETURN TO NORMAL. HE ALERTED THEIR COMPANION AIRCRAFT THAT THEY WERE HAVING AN ISSUE AND NEEDED TO RETURN TO BAGRAM. AS THEY WERE TURNING AROUND THE SIC ANNOUNCED THAT…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuselage · angle · crackedSep 12, 2019
ISOLATED CRACK FOUND IN ANGLE AT STA 160, BL 11R TO 23R, WL +56 APPROX.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuselage · web · crackedJan 7, 2019
DURING C CHECK INSPECTION, FOUND A CRACK APPROX 2.6 INCHES LONG AT STA 482 WEB CENTERED AT WL 27.25 BL 47R. ADDITIONAL FURTHER EVAUATION DETERMINED REPAIR TO BE A MAJOR ON 9 JAN 2019. REMOVED DAMAGED MATERIAL AND REPAIRED IAW SRM.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Main rotor drive · transmission · making metalAug 6, 2018
CHIP LIGHT ILLUMINATED ON THE CAUTION PANEL DURING APPROACH TO LAND. CONFIRMED AFT TRANSMISSION ON THE MAINTENANCE PANEL. INSPECTED THE CHIP DETECTOR, FOUND LARGE FLAKE LIKE CONTAMINATION. PART REMOVED AND SENT BACK TO AURORA FACILITY. EMERGENCY CHECKLIST USED FOR TRANSMISSON CHIP CAUTION LIGHT…
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