# N4647E: Weatherly 620A - Status: Valid registration - Airframe: [Weatherly 620A](https://openairdocs.org/model/weatherly-620a) (registry code 9630603, 1 seats) - Data sheets: [TCDS A26WE](https://openairdocs.org/tcds/A26WE) (Weatherly Aircraft Company) (OpenAirDocs) - Serial number: 1537 - Type: Fixed wing single engine - Engine type: Reciprocating - Certificate issued: July 6, 1994 - Expires: March 31, 2028 - Mode S code: A5ABC9 - Registered owner: [Foss And Meier Flight Service](https://openairdocs.org/faa-owner/FOSS%20AND%20MEIER%20FLIGHT%20SERVICE) - Location: [Devils Lake, ND](https://openairdocs.org/faa-place/ND/Devils%20Lake) - Owner type: Partnership - Owner's area on the map: 48.1417° N, 98.8938° W: Placed by OpenAirDocs at the center of ZIP code 58301, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4647E - Page: https://openairdocs.org/aircraft/N4647E From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 3 in force ### Matched by airframe (Weatherly 620A) - [AD 2020-10-03](https://openairdocs.org/ad/2020-10-03): Wing Attach Hinge Fitting · Weatherly 201, 201A, 201B and 6 more. Effective Jun 15, 2020 - [AD 2016-07-11](https://openairdocs.org/ad/2016-07-11): Wing Attach Fittings · Weatherly 201, 201A, 201B and 6 more. Effective Apr 15, 2016 - [AD 96-16-06](https://openairdocs.org/ad/96-16-06): Wing Hinge Pin · Weatherly 620A and 620B. Effective Oct 6, 1996 ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N4647E. ## FAA accident and incident reports None matched to N4647E. ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (30) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Weatherly 620A) - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA7965SW](https://openairdocs.org/stc/SA7965SW): Application of fabric and polyurethane finishing system. Shady Aviation LLC - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [STC SA5190NM](https://openairdocs.org/stc/SA5190NM): Installation of Gustin Aviation chip detector light system. A & L Aircraft Parts Inc - [STC SA6070NM](https://openairdocs.org/stc/SA6070NM): Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown. West Coast Air Creations - [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. Airwolf Filter Corporation - [STC SA2586NM](https://openairdocs.org/stc/SA2586NM): Installation of J.P. Instruments temperature monitoring systems. J P Instruments - [STC SA02283SE PAGE 2](https://openairdocs.org/stc/SA02283SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc - [STC SA02402SE PAGE 2](https://openairdocs.org/stc/SA02402SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc - [STC SA01988SE](https://openairdocs.org/stc/SA01988SE): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P. Electronics International Inc - [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International - [STC SA01258SE](https://openairdocs.org/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 supercedes several existing STC s as listed in the notes on the attached AML. R-S Sales Inc - [STC SA330NW](https://openairdocs.org/stc/SA330NW): Installation of automatic flagman model no 4. R-S Sales Inc - [STC SA02168AK](https://openairdocs.org/stc/SA02168AK): Installation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated. Avalaska Inc - [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc - [STC SA00458SE](https://openairdocs.org/stc/SA00458SE): Fabrication and installation of vortex generators mounted on wings. Aeronautical Testing Service Inc - [STC SA00444SE](https://openairdocs.org/stc/SA00444SE): Install vortex generators on wings. Micro AeroDynamics Inc - [STC SA00477WI](https://openairdocs.org/stc/SA00477WI): Installation of a Compro Driftfinder DFS-10 to system which injects oil into engine exhaust to produce smoke to determine wind speed and direction. Compro Aviation Inc - [STC SA5895NM](https://openairdocs.org/stc/SA5895NM): Installation of an air conditioner. Weatherly Aviation Company - [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International - [STC SA2350NM PAGE 2](https://openairdocs.org/stc/SA2350NM%20PAGE%202): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International - [STC SA2423SO](https://openairdocs.org/stc/SA2423SO): Installation of Chemical Evacuation System to remove residue from the agricultural spray dispersal system. Paul S Woods - [STC SA3862NM PAGE 2](https://openairdocs.org/stc/SA3862NM%20PAGE%202): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International - [STC SA2190NM PAGE 2](https://openairdocs.org/stc/SA2190NM%20PAGE%202): Installation of electronics International Digital Volt/Amp Gauges and Accessories. Electronics International - [STC SA2350NM](https://openairdocs.org/stc/SA2350NM) (historical): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. Electronics International ## Earlier aircraft with N4647E The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4647E before. - [Cancelled 1979-05-31](https://openairdocs.org/deregistered/N4647E-1979-05-31): Cessna A185F, S/N 18503828, built 1979. Exported to France. Owner: [Maine Aviation Corp](https://openairdocs.org/faa-owner/MAINE%20AVIATION%20CORP), [Portland, ME](https://openairdocs.org/faa-place/ME/Portland) ## Related - Other Weatherly 620A aircraft: https://openairdocs.org/model/weatherly-620a/aircraft.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.