# N29904: 1940 Waco ZPF-7 - Status: Valid registration - Airframe: [Waco ZPF-7](https://openairdocs.org/model/waco-zpf-7) (registry code 9601610, 3 seats) - Engine: [Jacobs R-755B2](https://openairdocs.org/engine/jacobs-r-755b2) (registry code 35023) - Data sheets: [TCDS ATC 586](https://openairdocs.org/tcds/ATC%20586) (The Waco Aircraft Company), [TCDS E-237](https://openairdocs.org/tcds/E-237) (Air Repair Inc.) (OpenAirDocs) - Serial number: 5401 - Year built: 1940 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard, normal - Airworthiness date: April 20, 2011 - Certificate issued: January 20, 2023 - Expires: January 31, 2030 - Mode S code: A3195E - Registered owner: [Great Lakes Bp LLC](https://openairdocs.org/faa-owner/GREAT%20LAKES%20BP%20LLC) - Location: [Cranston, RI](https://openairdocs.org/faa-place/RI/Cranston) - Owner type: LLC - Owner's area on the map: 41.7673° N, 71.4655° W: Placed by OpenAirDocs at the center of ZIP code 02920, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=29904 - Page: https://openairdocs.org/aircraft/N29904 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): 0 in force ### Matched by airframe (Waco ZPF-7) None in force. ### Matched by engine (Jacobs R-755B2) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB LAX02LA254](https://openairdocs.org/ntsb/LAX02LA254), Aug 17, 2002: Waco YPF-7 (N29904), Dewey, AZ, substantial damage. Probable cause: The loss of engine power due to a flooded carburetor. A contributing factor was the lack of suitable terrain for the forced landing. ## FAA accident and incident reports (2) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20020817019929A](https://openairdocs.org/incident/20020817019929A), Aug 17, 2002: Waco YPF7 (N29904), Dewey, AZ, Substantial damage. (.19) On August 17, 2002, at 1500 pacific daylight time, a Waco YPF-7 vintage airplane, N29904, was substantially damaged during a forced landing following a… - [Incident 20010211004689I](https://openairdocs.org/incident/20010211004689I), Feb 11, 2001: Waco YPF7 (N29904), Phoenix, AZ, Minor damage. (-23) Pilot statement: the following is a chronological description of events that occurred on the morning ot February 11, 2001, involving my aircraft, a Waco… ## 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) (28) 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 (Waco ZPF-7) - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc - [STC SA02498CH](https://openairdocs.org/stc/SA02498CH): Installation of Cleveland Wheel and barke Kit 199-64 (including 30-28D brake assembly and 40-40B wheel assembly). Rare Aircraft Ltd - [STC SA01406NY](https://openairdocs.org/stc/SA01406NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and rotary wing. Airwolf Filter Corporation - [STC SA00556SE](https://openairdocs.org/stc/SA00556SE): Replacement of airplane fuselage frame structure with The WACO Aircraft Co. Inc. fuselage. Rare Aircraft Ltd - [STC SA00331SE](https://openairdocs.org/stc/SA00331SE): Installation of replacement engine mount. Vintage Aircraft Tours Inc - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc - [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC - [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International - [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc - [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 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 ### Approved for the engine (Jacobs R-755B2) - [STC SE4842NM](https://openairdocs.org/stc/SE4842NM): Installation of auxiliary oil sump tank. The 195 Factory LLC - [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC - [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc - [STC SE572SW](https://openairdocs.org/stc/SE572SW): Installation of Jacobs RAS325A exhaust valve rotocaps. Air Repair Inc - [STC SE04136AT](https://openairdocs.org/stc/SE04136AT): Installation of Bendix Scintilla WL-7A Battery Ignition Timer (distributor) modified from a breaker points and condenser design to a Hall Effect electronic sensor design. Air Repair Inc - [STC SE00809WI](https://openairdocs.org/stc/SE00809WI): Installation of a modified alternate source of supply, engine ignition coil assembly and condenser. Air Repair Inc - [STC SE01652WI](https://openairdocs.org/stc/SE01652WI): Modification of engine to replace contact points and condenser controlled Bendix Scintilla WL-7A battery timer (distributor) with an electronically controlled WL-7A-M battery timer. Radial Engines Ltd - [STC SE01288WI](https://openairdocs.org/stc/SE01288WI): Modification of Engines to replace carburetor with fuel injection. Data required: (1) Butterfly Aviation Master Drawing List Report BA1001-11, dated October 28, 2004, and (2) Butterfly Aviation Instructions for Continued Airworthiness Report BA1001-8, dated October 26, 2004, or later FAA Approved revisions to (1) or (2). Radial Engines Ltd - [STC SE01243WI](https://openairdocs.org/stc/SE01243WI): Installation of Barron Aviation intake tube drain kits on the engines listed on the attached FAA Approved Model List (AML) No. SE01243WI, dated April 26, 2004, or later FAA Approved revision. Barron Aviation - [STC SE02589AT](https://openairdocs.org/stc/SE02589AT): Installation of Air Repair, Inc. magneto part numbers VMN7-DF5-ARMOD with automatic advance per Air Repair, Inc. Installation Instructions, document number 1200C, dated 9/5/2002 or lter FAA approved revision. The VMN7-DF5-ARMOD magnetos are obtained from Bendix VMN7-DF5 or VMN7-DFA magnetos modified per Air Repair, Inc. Service Instructions, document number 1200A dtd 9/5/02 or other FAA approved revision. Air Repair Inc - [STC SE2416CE](https://openairdocs.org/stc/SE2416CE): Add the following approved fuel: unleaded automotive gasoline 87 minimum antiknock index and leaded automotive index(RON+MON)/2. Petersen Aviation Inc - [STC SE639SW](https://openairdocs.org/stc/SE639SW): Continental W-670 link rods. Aircraft Engine Service Inc. Lists R-755B Series ## Related - Other Waco ZPF-7 aircraft: https://openairdocs.org/model/waco-zpf-7/aircraft.md - The Jacobs R-755B2 engine: https://openairdocs.org/engine/jacobs-r-755b2.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.