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Boeing-Vertol 234

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Aircraft model · Rotorcraft · Rotorcraft · registry code 1385051

Manufacturer (registry)
BOEING-VERTOL
Model
234
Registry code
1385051
Registered
6 aircraft
Type
Rotorcraft
Engines
2 · Turbo-shaft
Seats
44
Weight class
20,000 lb and over
Certification
Type certificated
Data sheet
TCDSH9EA
Holder
Columbia Helicopters Inc.

Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.

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Aircraft by year built · 6

1981Registered nowDeregistered2026

Airworthiness directives that may apply · 21

ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1982In forceSuperseded2026
See all 22 ADs
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  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('1385051'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

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Information bulletins that may apply · 1

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duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('1385051'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 6

N237CHBank Of Utah Trustee · Salt Lake City, UTBuilt 1982 · S/N MJ003N238CHBank Of Utah Trustee · Salt Lake City, UTBuilt 1981 · S/N MJ005N239CHColumbia Helicopters Inc · Aurora, ORBuilt 1981 · S/N MJ006N242CHColumbia Helicopters Inc · Aurora, ORBuilt 1983 · S/N MJ023N245CHColumbia Helicopters Inc · Aurora, ORBuilt 1983 · S/N MJ022N249CHColumbia Helicopters Inc · Aurora, ORS/N MM821
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duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE aircraft_model_code IN ('1385051')
  ORDER BY n_number"

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NTSB investigations · 2

Aircraft matched to this model through the registry, by N-number and event date, checked against the reported serial number, make and model.

Defining event, 2008 on

Of 2 cases NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

NTSB ERA13RA106Accident · 7 fatalClass 5 · ForeignBoeing-Vertol 234 · Pucallpa, Peru, PeruOn January 7, 2013, about 2002 universal coordinated time (1502 local time), a Boeing-Vertol 234, N241CH, operated by Columbia Helicopters Peru, S.A.C., was destroyed during an inflight breakup and subsequent impact with terrain near Pucallpa, Peru. The U.S.…Jan 7, 2013 · N241CH · DestroyedNTSB LAX08CA282Accident · No injuriesData collectionFinal reportBoeing BV234 · Burns, ORThe pilot's failure to maintain clearance from obstacles while taxiing.Aug 22, 2008 · N239CH · Substantial damage
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duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('1385051')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

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FAA incident reports · 2

Matched to this model through the registry, by N-number and event date, checked against the reported make and model.

Accident 20130107007199ABoeing-Vertol 234 · Pucallpa PeruOn January 7, 2013, at approximately 1457 peruvian local time (1957 gmt), N241CH, a Boeing model 234 Vertol helicopter, operated by columbia helicopters, Peru (5CPF), experienced an inflight breakup and crashed into a field 4NM northwest of Pucallpa, Peru…Jan 7, 2013 · N241CH · Destroyed · 7 fatalAccident 20080822842749ABoeing 234 · Burns, OR(-23) Pilot was ferrying the aircraft from portland to Utah to perform removal of equipment from high lakes in Utah. The pilot stopped for fuel in Burns, OR while taxiing the aircraft to the fuel dock the pilot elected to approach the fuel dock using the…Aug 22, 2008 · N239CH · Substantial damage
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duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE aircraft_model_code IN ('1385051')
  ORDER BY event_date DESC, report_number DESC"

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Service difficulty reports · 117

SDR CHIA202511059838Engine · overtempDURING 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.Nov 5, 2025 · N235CH · Boeing 234 · Engine (Turbine/Turboprop)SDR CHIA202508149805Transmission · overheatedTHE NR 2 ENGINE TRANSMISSION TEMPERATURE EXCEEDED UPPER TEMPERATURE LIMIT IN FLIGHT RESULTING IN PILOTS INITIATING ENGINE XMSN HOT EMERGENCY PROCEDURES AND RETURNING TO BASE FOR AN UNSCHEDULED LANDING. REMOVED THE NR 2 ENGINE TRANSMISSION ASSEMBLY AS UNSERVICAug 14, 2025 · N246CH · Boeing 234 · Main Rotor GearboxSDR CHIA202508149804Switch · failedNR 1 ENGINE BEEP SWITCH ON THE LT COLLECTIVE BECAME INTERMITTENTLY UNRESPONSIVE IN FLIGHT, RESULTING IN PILOTS INITIATING ENGINE BEEP FAILURE/FREEZE EMERGENCY PROCEDURES AND RETURNING TO BASE FOR AN UNSCHEDULED LANDING. SUBSEQUENT INSPECTION DETERMINED THE LTAug 14, 2025 · N246CH · Boeing 234 · Engine Controls
See all 117 difficulty reports
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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '234'
  ORDER BY difficulty_date DESC"

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STCs that may be installed · 20

Approved for this model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.

STC SH3319NMInstallation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,Precise Flight IncSTC SR00925DEInstallation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionalityPeregrineSTC SR02670SEInstallation of Simplex Model 347 Fire Fighting Tank System (FFTS); Serial Number MJ022Columbia Helicopters Inc
See all 20 STCs
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duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
    WHERE aircraft_model_code IN ('1385051')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

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