Type Record · As of May 3, 2026
PORTERFIELD 35-70
Fixed Wing Single Engine · AMA/EXPR UNKNOWN ENG
Registered
7
Year Range
1935–1976
NTSB Events
1
Airworthiness Directives
0
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered PORTERFIELD 35-70 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- CA 28.6% 2
- NV 14.3% 1
- OH 14.3% 1
- WA 14.3% 1
- OR 14.3% 1
- OK 14.3% 1
By Decade of Manufacture
- 1930s 71.4% 5
- 1970s 14.3% 1
- Unknown 14.3% 1
02 / NTSB Records
Events involving PORTERFIELD 35-70 aircraft
1 event(s) on file. Showing the most recent 1.
-
Aug 5, 1981
N17029ROCKFORD, Illinois
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to PORTERFIELD 35-70
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 PORTERFIELD 35-70
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 7 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 |
|---|---|---|---|---|
| N14481 | NV | 1935 | · | Look up ↗ |
| N17026 | OH | 1936 | · | Look up ↗ |
| N17029 | WA | 1936 | ● | Look up ↗ |
| N17038 | OR | 1937 | · | Look up ↗ |
| N17040 | CA | 1976 | · | Look up ↗ |
| N17490 | CA | — | · | Look up ↗ |
| N326GH | OK | 1936 | · | 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 →