Type Record · As of May 3, 2026
COSMOS BISON
Weight-Shift-Control · ROTAX 503 DCDI
Registered
4
Year Range
2002–2007
NTSB Events
0
Airworthiness Directives
0
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered COSMOS BISON aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- WA 25.0% 1
- TN 25.0% 1
- TX 25.0% 1
- FL 25.0% 1
By Decade of Manufacture
- 2000s 100.0% 4
02 / NTSB Records
Events involving COSMOS BISON aircraft
No NTSB-recorded events match COSMOS BISON in the indexed corpus.
02c / Academic Research
Scholarly work mentioning COSMOS BISON
Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to COSMOS BISON
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for COSMOS BISON
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 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.
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 →