Type Record · As of May 3, 2026
SWEARINGEN SA227-AT
Fixed Wing Multi Engine · AMA/EXPR UNKNOWN ENG
Registered
12
Year Range
1981–1985
NTSB Events
2
Airworthiness Directives
6
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered SWEARINGEN SA227-AT aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- FL 75.0% 9
- OR 8.3% 1
- AR 8.3% 1
- LA 8.3% 1
By Decade of Manufacture
- 1980s 66.7% 8
- Unknown 33.3% 4
02 / NTSB Records
Events involving SWEARINGEN SA227-AT aircraft
2 event(s) on file. Showing the most recent 2.
-
Jan 10, 2018
N561UPRock Springs, Wyoming
NTSB Docket → -
Dec 24, 1981
N807MLINCOLN, Nebraska
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to SWEARINGEN SA227-AT
6 directive(s) on file. Showing the most recent 6.
-
Mar 4, 2016
Airworthiness Directives; M7 Aerospace LLC Airplanes
We are adopting a new airworthiness directive (AD) for all M7 Aerospace LLC Models SA26-AT, SA226-T(B), SA226-AT, SA226-T, SA226-TC, SA227-AC (C-26A), SA227-AT, SA227-BC (C-26A), SA227-CC, SA227-DC (C- 26B), and SA227-TT airplanes. This AD was prompted by information that the airplane flight manual (AFM) does not prov…
-
Aug 25, 2015
Airworthiness Directives; M7 Aerospace LLC Airplanes
We propose to adopt a new airworthiness directive (AD) for all M7 Aerospace LLC Models SA26-AT, SA226-T, SA226-AT, SA226-T(B), SA226- TC, SA227-AT, SA227-TT, SA227-AC (C-26A), SA227-BC (C-26A), SA227-CC, and SA227-DC (C-26B) airplanes. This proposed AD was prompted by information that the airplane flight manual (AFM)…
-
May 28, 2009
Airworthiness Directives; M7 Aerospace LP Models SA226-AT, SA226-T, SA226-TC, SA227-AC (C-26A), SA227-AT, SA227-BC (C-26A), SA227-CC, and SA227-DC (C-26B) Airplanes
We are adopting a new airworthiness directive (AD) to supersede AD 2008-12-16, which applies to certain M7 Aerospace LP SA226 and SA227 series airplanes. AD 2008-12-16 currently requires you to inspect wires and tube assemblies for chafing, arcing, or insufficient clearance between components. If chafing, arcing, or i…
-
Feb 12, 2009
Airworthiness Directives; M7 Aerospace LP Models SA226-AT, SA226-T, SA226-TC, SA227-AC (C-26A), SA227-AT, SA227-BC (C-26A), SA227-CC, and SA227-DC (C-26B) Airplanes
We propose to supersede Airworthiness Directive (AD) 2008-12- 16, which applies to certain M7 Aerospace LP SA226 and SA227 series airplanes. AD 2008-12-16 currently requires you to inspect wires and tube assemblies for chafing, arcing, or insufficient clearance between components. If chafing, arcing, or insufficient c…
-
Jun 18, 2008
Airworthiness Directives; M7 Aerospace LP SA226 and SA227 Series Airplanes
We are adopting a new airworthiness directive (AD) for certain M7 Aerospace LP SA226 and SA227 series airplanes. This AD requires you to inspect electrical wires/components, hydraulic and bleed air tube assemblies at left-hand (LH) and right-hand (RH) inboard wing leading edge/battery box areas, LH/RH wing stations 51…
-
Mar 14, 2008
Airworthiness Directives; M7 Aerospace LP SA226 and SA227 Series Airplanes
We propose to adopt a new airworthiness directive (AD) for certain M7 Aerospace LP SA226 and SA227 series airplanes. This proposed AD would require you to inspect electrical wires/components, hydraulic and bleed air tube assemblies at left-hand (LH) and right-hand (RH) inboard wing leading edge/battery box areas, LH/R…
04 / Type Certificate Data Sheets
FAA TCDS for SWEARINGEN SA227-AT
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- A5SW Current Rev 29 · 10/20/2015
M7 Aerospace LLC
Models: SA227-AT, SA227-TT, SA226-T, SA26-AT + 3 more
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for SWEARINGEN SA227-AT
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 12 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 |
|---|---|---|---|---|
| N248DH | FL | 1985 | · | Look up ↗ |
| N249DH | FL | 1985 | · | Look up ↗ |
| N496PT | OR | — | · | Look up ↗ |
| N544UP | FL | — | · | Look up ↗ |
| N548UP | FL | 1983 | · | Look up ↗ |
| N560UP | FL | — | · | Look up ↗ |
| N561UP | FL | 1983 | ● | Look up ↗ |
| N573G | FL | 1981 | · | Look up ↗ |
| N611RH | AR | 1981 | · | Look up ↗ |
| N807M | FL | 1981 | ● | Look up ↗ |
| N950MD | LA | 1981 | · | Look up ↗ |
| N999MX | FL | — | · | 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 →