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Type Record · As of May 3, 2026

BOEING-VERTOL 234LR

Rotorcraft · LYCOMING AL5512

Registered

4

Year Range

1981–1981

NTSB Events

0

Airworthiness Directives

0

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered BOEING-VERTOL 234LR aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • OR 100.0% 4

By Decade of Manufacture

  • 1980s 25.0% 1
  • Unknown 75.0% 3

02 /  NTSB Records

Events involving BOEING-VERTOL 234LR aircraft

No NTSB-recorded events match BOEING-VERTOL 234LR in the indexed corpus.

03 /  Airworthiness Directives

FAA directives applicable to BOEING-VERTOL 234LR

No matching airworthiness directives are on file for this make and model in the Federal Register.

07 /  PMA replacement parts

FAA-approved replacement parts for BOEING-VERTOL 234LR

2 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.

  • 2237000-5#https://drs.faa.gov/browse/excelExternalWindow/E5FDC263FD414A8086257F48007C9B9B.0001##

    Digital Flight Data Acquisition Unit

    TELEDYNE CONTROLS LLC replaces 2237000-5

    PMA holder →
  • 2237000-6#https://drs.faa.gov/browse/excelExternalWindow/2B86C19B8C229EBE86257F48007C9BBA.0001##

    Digital Flight Data Acquisition Unit

    TELEDYNE CONTROLS LLC replaces 2237000-6

    PMA holder →

05 /  Aircraft of this type

All 4 registered N-numbers

Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged have NTSB events on file. Tails seeded with full TallyAero pages link directly.

4 of 4
N-number St Year NTSB FAA
N233CH OR · Look up ↗
N235CH OR 1981 · Look up ↗
N240CH OR · Look up ↗
N246CH OR · Look up ↗

Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)

05 /  Sources & Methodology

Every count traces back to a primary US-government source

We render counts and lists as the agency publishes them. Read the methodology →