Type Record · As of May 3, 2026
WEATHERLY 620TP
Fixed Wing Single Engine
Registered
1
NTSB Events
0
Airworthiness Directives
5
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered WEATHERLY 620TP aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- CO 100.0% 1
By Decade of Manufacture
- Unknown 100.0% 1
02 / NTSB Records
Events involving WEATHERLY 620TP aircraft
No NTSB-recorded events match WEATHERLY 620TP in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to WEATHERLY 620TP
5 directive(s) on file. Showing the most recent 5.
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May 11, 2020
Airworthiness Directives; Weatherly Aircraft Company
The FAA is adopting a new airworthiness directive (AD) for all Weatherly Aircraft Company (Weatherly) Models 201, 201A, 201B, 201C, 620, 620A, 620B, 620B-TG, and 620TP airplanes. This AD was prompted by reports of fatigue cracking of the center wing and outer wing spar hinge brackets due to corrosion pitting. This AD…
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Sep 18, 2018
Airworthiness Directives; Weatherly Aircraft Company
We propose to adopt a new airworthiness directive (AD) for all Weatherly Aircraft Company (Weatherly) Models 201, 201A, 201B, 201C, 620, 620A, 620B, 620B-TG, and 620TP airplanes. This proposed AD was prompted by reports of fatigue cracking of the center wing and outer wing spar hinge brackets due to corrosion pitting.…
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Mar 31, 2016
Airworthiness Directives; Weatherly Aircraft Company Airplanes
We are adopting a new airworthiness directive (AD) for all Weatherly Aircraft Company Models 201, 201A, 201B, 201C, 620, 620A, 620B, 620B-TG, and 620TP airplanes. This AD requires visually inspecting the center and outer wing front spar lower hinge fittings for cracks and corrosion and taking all necessary corrective…
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Jul 14, 2005
Airworthiness Directives; Hartzell Propeller Inc. Models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC-B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC-B5MP-3 Propellers
The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC- B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC- B5MP-3 propellers, installed with propeller mounting bolts, part number (P/N) B-3339. This AD requires initial and repeti…
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Apr 26, 1996
Airworthiness Directives; Hartzell Propeller Inc. HC-A3V, HC-B3M, HC-B3T, HC-B4M, HC-B4T, and HC-B5M Series Propellers
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Hartzell Propeller Inc. (Hartzell) HC-A3V, HC-B3M, HC-B3T, HC-B4M, HC- B4T, and HC-B5M series propellers. This proposal would require hub replacement over a 10-year time period with a concurrent blade and blade clamp inspec…
04 / Type Certificate Data Sheets
FAA TCDS for WEATHERLY 620TP
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- A26WE Current Rev 7 · 12/03/2001
Weatherly Aircraft Company
Models: 620B-TG, 620, 620A, 620TP + 1 more
06 / Supplemental Type Certificates
Modifications approved for WEATHERLY 620TP
37 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
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03/01/2025
STC SA7965SW
Application of fabric and polyurethane finishing system.
Shady Aviation LLC
-
08/21/2024
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
07/27/2022
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
07/27/2020
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
09/25/2019
STC SA5190NM
Installation of Gustin Aviation chip detector light system.
A & L Aircraft Parts Inc
-
02/11/2019
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
ADI LLC
-
08/27/2018
STC SA5190NM
Installation of Gustin Aviation chip detector light system.
A & L Aircraft Parts, Inc
-
03/01/2018
STC SA7965SW
Application of fabric and polyurethane finishing system.
Air Tech Coatings
-
03/29/2017
STC SA5190NM
Installation of Gustin Aviation chip detector light system.
A & L Aircraft Parts, Inc
-
01/24/2017
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
08/27/2016
STC SA01240SE (5 OF 5)
Installation of secondary voltage indication system
Visual Instruments LLC
-
05/20/2016
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
03/09/2016
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Petersen Aviation Inc
-
10/28/2015
STC SA01757WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
12/09/2009
STC SA2693NM (PAGE 2)
Installation of Electronics International digital volt/amp gauges and accessories.
Electronics International Inc.
-
12/18/2007
STC SA4005NM (Page 2)
Precise Flight Inc. Pulselite Control System
Precise Flight Inc
-
04/02/2006
STC SA01240SE (5 OF 5)
Installation of secondary voltage indication system
Visual Instruments LLC
-
07/08/2005
STC SA00680SE (2 OF 6
Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.
Electronics International
-
11/07/2003
STC SA4005NM (Page 2)
Precise Flight Inc. Pulselite Control System
Precise Flight Inc
-
09/05/2003
STC SA01258SE
Installation of the Automatic Flagman Dispenser Models in accordance with Automatic Flagman Master Drawing Lists specified in attached AML, or later FAA approved revision.This STC …
R-S Sales Inc.
-
08/27/2001
STC SA330NW
Installation of automatic flagman. (201C Restricted Category)
R-S Sales Inc.
-
08/27/2001
STC SA330NW
Installation of automatic flagman model no 4
R-S Sales Inc.
-
06/04/2001
STC SA4005NM (Page 2)
Precise Flight Inc. Pulselite Control System
Precise Flight Inc
-
03/22/2001
STC SA02168AK (PG 2)
Installation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated.
Avalaska Inc
-
10/24/2000
STC SA2687NM (PAGE 2)
Installation of Truboplus/ Electronics Int'l gauges and switches.
Aero Manufacturing Inc.
-
03/09/1999
STC SA00680SE (2 OF 6
Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.
Electronics International
-
08/07/1997
STC SA00458SE
Fabrication and installation of vortex generators mounted on wings.
Aeronautical Testing Service Inc.
-
07/15/1994
STC SA7965SW
Application of fabric and polyurethane finishing system.
Air Tech Coatings
-
04/07/1994
STC SA7965SW
Application of fabric and polyurethane finishing system.
Air Tech Coatings
-
03/09/1993
STC SA1626NM Page 2
Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)
Electronics International
+ 7 more STCs on file
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for WEATHERLY 620TP
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 1 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 |
|---|---|---|---|---|
| N9259W | CO | — | · | 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 →