Type Record · As of May 3, 2026
SNOW S2A
Fixed Wing Single Engine · CONT MOTOR W670 SERIES
Registered
6
Year Range
1959–1960
NTSB Events
2
Airworthiness Directives
0
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered SNOW S2A aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- TX 50.0% 3
- NE 16.7% 1
- MO 16.7% 1
- OH 16.7% 1
By Decade of Manufacture
- 1950s 66.7% 4
- 1960s 33.3% 2
02 / NTSB Records
Events involving SNOW S2A aircraft
2 event(s) on file. Showing the most recent 2.
-
Jul 19, 1974
N4979CCAMPBELL, Nebraska
NTSB Docket → -
Jun 30, 1972
N9401RALMYRA, Arkansas
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to SNOW S2A
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for SNOW S2A
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- 2A9 Current Rev 11 · 11/30/1977
Ayres Corporation
Models: S2A
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for SNOW S2A
Advisory Circulars
ACs whose subject explicitly mentions SNOW or S2A.
- AC 150/5220-20A Airport Snow and Ice Control Equipment ↗
- AC 150/5220-18A Buildings for Storage and Maintenance of Airport Snow and Ice Control Equipment and Materials ↗
- AC 150/5220-18 Buildings for Storage and Maintenance of Airport Snow and Ice Control Equipment and Materials ↗
- AC 150/5220-20 Airport Snow and Ice Control Equipment ↗
- AC 91-6A Water, Slush, and Snow on the Runway ↗
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 6 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 |
|---|---|---|---|---|
| N4979C | TX | 1959 | ● | Look up ↗ |
| N4982C | TX | 1959 | · | Look up ↗ |
| N4983C | NE | 1959 | · | Look up ↗ |
| N9401R | MO | 1959 | ● | Look up ↗ |
| N9426R | OH | 1960 | · | Look up ↗ |
| N9432R | TX | 1960 | · | 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 →