Type Record · As of May 3, 2026
MESSERSCHMITT-BOLKOW-BLOHM GMB BO 105 CBS-4
Rotorcraft · ALLISON 250-C20B
Registered
1
NTSB Events
0
Airworthiness Directives
0
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered MESSERSCHMITT-BOLKOW-BLOHM GMB BO 105 CBS-4 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- WY 100.0% 1
By Decade of Manufacture
- Unknown 100.0% 1
02 / NTSB Records
Events involving MESSERSCHMITT-BOLKOW-BLOHM GMB BO 105 CBS-4 aircraft
No NTSB-recorded events match MESSERSCHMITT-BOLKOW-BLOHM GMB BO 105 CBS-4 in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to MESSERSCHMITT-BOLKOW-BLOHM GMB BO 105 CBS-4
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for MESSERSCHMITT-BOLKOW-BLOHM GMB BO 105 CBS-4
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- H6NE Historical Rev 3 · 05/05/1993
Eurocopter Canada Limited
Models: BO 105 LS A-3
07 / PMA replacement parts
FAA-approved replacement parts for MESSERSCHMITT-BOLKOW-BLOHM GMB BO 105 CBS-4
1 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.
-
SK CP 2456-3 Rev E#https://drs.faa.gov/browse/excelExternalWindow/5E6DB8A10DF4BD918625750C005B81F1.0001##
KAflex Driveshaft
Kamatics Corporation replaces MBB Driveshaft SKCP2456-3
PMA holder →
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for MESSERSCHMITT-BOLKOW-BLOHM GMB BO 105 CBS-4
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 1 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.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N66RL | WY | — | · | 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
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →