# N7420S: Balloon Works FIREFLY 8B - Status: Valid registration - Airframe: [Balloon Works FIREFLY 8B](https://openairdocs.org/model/balloon-works-firefly-8b) (registry code 1050110, 1 seats) - Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000) - Data sheets: [TCDS A14SO](https://openairdocs.org/tcds/A14SO) (JR Aerosports Ltd.) (OpenAirDocs) - Serial number: F8B-044 - Type: Balloon - Engine type: None - Airworthiness: Standard, balloon - Airworthiness date: February 13, 1986 - Certificate issued: May 19, 2017 - Expires: May 31, 2027 - Mode S code: A9FC61 - Registered owners: [Williams Mark G](https://openairdocs.org/faa-owner/WILLIAMS%20MARK%20G), [Williams Rebecca J](https://openairdocs.org/faa-owner/WILLIAMS%20REBECCA%20J) - Location: [Longmont, CO](https://openairdocs.org/faa-place/CO/Longmont) - Owner type: Co-owned - Owner's area on the map: 40.1682° N, 105.1005° W: Placed by OpenAirDocs: center of Longmont, CO, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7420S - Page: https://openairdocs.org/aircraft/N7420S From the FAA registry file of October 27, 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. ## 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 DEN88LA152](https://openairdocs.org/ntsb/DEN88LA152), Jul 4, 1988: Balloon Works Firefly 8B (N7420S), Fort Collins, CO, substantial damage ## FAA accident and incident reports (1) 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 19880704027059A](https://openairdocs.org/incident/19880704027059A), Jul 4, 1988: Balwks FIREFLY8B (N7420S), Ft Collins, CO, Substantial damage. Accidently bumped pilot light switch to off as PIC turned off burner. On descent,vented to avoid wires. Hit ground. ## ADs that may apply (OpenAirDocs): 2 in force ### Matched by airframe (Balloon Works FIREFLY 8B) - [AD 2013-03-10](https://openairdocs.org/ad/2013-03-10): Hardware · Aeronaut Instruction Research Skysailor 105, Skysailor 90, 110C and 439 more. Effective Mar 19, 2013 - [AD 75-12-08](https://openairdocs.org/ad/75-12-08): Throttle or Trigger Valves · McGrath, Michael D. A-60S, A-B, A50S and 41 more. Effective Apr 30, 1976 ### Matched by engine (NONE) None in force. ## Information bulletins (advisory) (1 in force) - [SAIB CE-11-44](https://openairdocs.org/saib/CE-11-44): Fuel: Cylinder Strap Installation. Issued Jul 13, 2011 ## 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) (20) 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 (Balloon Works FIREFLY 8B) - [STC SB09657RC](https://openairdocs.org/stc/SB09657RC): Installation of Aircraft Position Lights. Albuquerque Balloon Center, Inc - [STC SB04407AT](https://openairdocs.org/stc/SB04407AT): Installation of the DBI-III Omega. Balloonacy, Ltd. LLC - [STC SA3005SO](https://openairdocs.org/stc/SA3005SO): Attachment of 'Football Helmet' appendages. JR Aerosports LTD - [STC SB01506AT](https://openairdocs.org/stc/SB01506AT): Attachment of Firefly hot air balloon envelopes. JR Aerosports LTD - [STC SL2817SO](https://openairdocs.org/stc/SL2817SO): Attachment of 'Bunny' of appendages. JR Aerosports LTD - [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International - [STC SB10283SC](https://openairdocs.org/stc/SB10283SC): Limited to installation on serial number B82012-3. Curling Rebecca L and Harold L - [STC SB02218AK](https://openairdocs.org/stc/SB02218AK): Design, fabrication, and installation of replacement balloon envelope. Alaska Consulting Mfg & Eng LLC - [STC SB918GL](https://openairdocs.org/stc/SB918GL): Addition of a refueling adapter to the main fuel line. LTA Aviation Inc - [STC SB00374NY](https://openairdocs.org/stc/SB00374NY): Installation of Aerostat Envelopes Model W-100-3 replacement envelope. Ronald T. DiGiovanni - [STC SB790NE](https://openairdocs.org/stc/SB790NE): Installation of an Aerostat Envelope, Model W-140-3 replacement envelope (3 point system). Ronald T. DiGiovanni - [STC SB00407LA](https://openairdocs.org/stc/SB00407LA): Installation of foam padded tank covers. John Terry - [STC SB00408LA](https://openairdocs.org/stc/SB00408LA): Installation of protective caps on basket oak runners. Pacific Southwest Aerostats - [STC SA1626NM PAGE 1](https://openairdocs.org/stc/SA1626NM%20PAGE%201): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International - [STC SB1679GL](https://openairdocs.org/stc/SB1679GL): Replace suspension cables with Finn-Bilt Ltd. suspension cableKit No. 119 (Firefly 5, 6B, 7B), Kit No. 219 (Firefly 6, 7B, 8B), Kit No. 319 (Firefly 8), or Kit No. 419 (Firefly 9). Viitala William Thomas - [STC SA5470NM](https://openairdocs.org/stc/SA5470NM): Installation of position light. Great American Balloon Co Inc - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International - [STC SB3278NM](https://openairdocs.org/stc/SB3278NM): Night VFR lighting system. Fendley Ralph Lee - [STC SA1908CE](https://openairdocs.org/stc/SA1908CE): Installation of a National Ballooning Model 752-12 envelope. National Ballooning Ltd - [STC SB265NE](https://openairdocs.org/stc/SB265NE): Replacement of envelope fabric repair material with ripstop polyester. Ballooning Adventures ## Related - Other Balloon Works FIREFLY 8B aircraft: https://openairdocs.org/model/balloon-works-firefly-8b/aircraft.md - The NONE engine: https://openairdocs.org/engine/none.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.