Type Record · As of May 3, 2026
AEROSPATIALE AS355F TWINSTAR
Rotorcraft · ALLISON 250-C20 SER
Registered
2
Year Range
1982–1982
NTSB Events
0
Airworthiness Directives
0
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered AEROSPATIALE AS355F TWINSTAR aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- DE 50.0% 1
- NJ 50.0% 1
By Decade of Manufacture
- 1980s 50.0% 1
- Unknown 50.0% 1
02 / NTSB Records
Events involving AEROSPATIALE AS355F TWINSTAR aircraft
No NTSB-recorded events match AEROSPATIALE AS355F TWINSTAR in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to AEROSPATIALE AS355F TWINSTAR
No matching airworthiness directives are on file for this make and model in the Federal Register.
06 / Supplemental Type Certificates
Modifications approved for AEROSPATIALE AS355F TWINSTAR
6 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
10/16/2018
STC ST00952LA
Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles.
AMETEK AMERON LLC d/b/a MASS Systems
-
09/24/2018
STC ST00952LA
Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles.
AMETEK AMERON LLC d/b/a MASS Systems
-
05/16/2016
STC ST00952LA
Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles.
AMETEK AMERON LLC d/b/a MASS Systems
-
09/29/2011
STC ST00952LA
Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles.
AMETEK AMERON LLC d/b/a MASS Systems
-
07/05/2011
STC ST00952LA
Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles.
AMETEK AMERON LLC d/b/a MASS Systems
-
10/13/1989
STC SA4302NM (PAGE 1)
Installation of Electronics Int'l digital automatic engine analyzer.
Electronics International
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for AEROSPATIALE AS355F TWINSTAR
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 2 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 →