# Balloon Works FIREFLY 11 - Type: Aircraft model (FAA registry) - Registry code: 1050125 - Manufacturer (registry): BALLOON WORKS INC - Model: FIREFLY 11 - Aircraft type: Balloon - Category: Balloon - Engines: None - Seats: 2 - Weight class: Up to 12,499 lb - Certification: Type certificated - Data sheet: [TCDS A14SO](https://openairdocs.org/tcds/A14SO) (OpenAirDocs) - Holder: JR Aerosports Ltd. - Registered aircraft: 0 - Page: https://openairdocs.org/model/balloon-works-firefly-11 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [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 ## Information bulletins (advisory) (1) - [SAIB CE-11-44](https://openairdocs.org/saib/CE-11-44): Fuel: Cylinder Strap Installation. Issued Jul 13, 2011 ## Registered aircraft None registered with this model now. ## NTSB investigations (5) 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 LAX04LA123](https://openairdocs.org/ntsb/LAX04LA123), Feb 13, 2004: Balloon Works Firefly 11 (N7244X), Phoenix, AZ, substantial damage. Probable cause: the failure of the deflation vent line, which resulted in the pilot not being able to control the balloon in the increased wind conditions. - [NTSB LAX04CA003](https://openairdocs.org/ntsb/LAX04CA003), Sep 28, 2003: Balloon Works Firefly II (N7021U), Phoenix, AZ, substantial damage. Probable cause: the pilot's diverted attention that resulted in the inadequate handling of the burner during ground operations. - [NTSB LAX00LA292](https://openairdocs.org/ntsb/LAX00LA292), Aug 11, 2000: Balloon Works Firefly II (N7244X), Phoenix, AZ, no damage. Probable cause: The pilot's failure to use pibals or other on site wind determination devices, and his subsequent failure to detect adverse wind conditions prior to launch of the balloon. - [NTSB LAX99FA273](https://openairdocs.org/ntsb/LAX99FA273), Aug 19, 1999: Balloon Works Firefly 11 (N7021U), Cave Creek, AZ, minor damage. Probable cause: An unforecast encounter with a low level microburst that resulted in a distortion of the balloon envelope, an excessive outflow of hot air (loss of lift), creating an excessive rate of descent that… - [NTSB LAX98LA005](https://openairdocs.org/ntsb/LAX98LA005), Oct 11, 1997: Balloon Works Firefly 11 (N2585Z), Rancho Bernardo, CA, minor damage. Probable cause: The pilot's intentional flight in high wind conditions and his improper in-flight planning. ## FAA accident and incident reports (6) 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 20040213009539A](https://openairdocs.org/incident/20040213009539A), Feb 13, 2004: Balwks FIREFLY11 (N7244X), Cave Creek, AZ, Substantial damage. (-23) Pilot had just landed the balloon and was preparing to deflate the balloon. While the pilot was attempting to deflate the balloon the vent line broke.… - [Accident 20030928035319A](https://openairdocs.org/incident/20030928035319A), Sep 28, 2003: Balwks FIREFLY11 (N7021U), Cave Creek, AZ, Substantial damage. (-23) During landing phase, pilot engaged burner and balloon envelope caught fire. The balloon sustained substantial damage and some of the passengers received… - [Accident 20000811040709A](https://openairdocs.org/incident/20000811040709A), Aug 11, 2000: Balwks FIREFLY11 (N7244X), Phoenix, AZ. (.4) On August 11, 2000, at 0625 hours mountain standard time, a balloon works firefly ii, N7244X, encountered unusual wind conditions and collided with the… - [Accident 19990819024739A](https://openairdocs.org/incident/19990819024739A), Aug 19, 1999: Balwks FIREFLY11 (N7021U), Cave Creek, AZ, Minor damage. (.19) On August 19, 1999, at 0710 hours mountain standard time, a firefly 11 balloon, N7021U, landed hard in open desert terrain in Cave Creek, Arizona. The… - [Accident 19971010045219A](https://openairdocs.org/incident/19971010045219A), Oct 10, 1997: Balwks FIREFLY11 (N2585Z), Rancho Bernardo, CA, Minor damage. The pilot and 10 passengers departed for a scenic late after noon flight. The takeoff occurred in wind conditions near the FAA demostrated 7 knot maximum speed… - [Incident 19950219005909I](https://openairdocs.org/incident/19950219005909I), Feb 19, 1995: Balwks FIREFLY11 (N2559V), Napa, CA. Narrative: the incident occurred during a balloon landing in a congested residential area within the city limits of Napa, California. The purpose of the… ## Service difficulty reports (4) As reported by operators and repair stations, by the model named in the report. - [SDR 2004FA0000788](https://openairdocs.org/sdr/2004FA0000788), May 1, 2004: PULLEY. STICKING. DEFLATION CWE PULLEY CATCHES ON ENVELOPE THROAT WEBBING AND NOMEX SKIRT CAUSING DEFLATION PANEL TO REMAIN OVEN DURING DESCENTS AND CAUSES DIFFICULTY RETURNING T - [SDR 2004FA0000428](https://openairdocs.org/sdr/2004FA0000428), Apr 28, 2004: LINE. INADEQUATE. UPON INSPECTION OF VALVE LINE SEVERAL LOCATIONS WERE FOUND WHERE THE INNER KEVLAR LINE HAS BUNCHED UP AND BECAME EXPOSED THROUGH THE OUTER PROTECTIVE NYLON COVE - [SDR 20000605SH030](https://openairdocs.org/sdr/20000605SH030), Jun 5, 2000: ENVELOPE. DETERIORATED. EXCESSIVE AND PREMATURE DETERIORATION OF FABRIC PANELS AT GORE TAPE SEAM. GORE TAPE MATERIAL IS STIFF WITH SHARP EDGES AND CUTS INTO FABRIC PANELS WHERE PANELS - [SDR 95ZZZX4427](https://openairdocs.org/sdr/95ZZZX4427), Jun 26, 1995: VENT FLAP. TORN. ROTATION VENT DESIGN AND INSTALLATION ON A 45 DEGREE ANGLE MAKE THEM VERY INEFFECTIVE WHEN TRYING TO ROTATE THE BALLOON IN FLIGHT TO ALIGN THE BASKET PROPERLY F ## STCs that may be installed (OpenAirDocs) (11) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [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 SB00078AT](https://openairdocs.org/stc/SB00078AT): Installation of Thunder & Colt carriage assemblies under Firefly balloon envelopes. JR Aerosports LTD - [STC SB00565AT](https://openairdocs.org/stc/SB00565AT): Installation of Cameron carriage assemblies Under Firefly envelopes. JR Aerosports LTD - [STC SB01506AT](https://openairdocs.org/stc/SB01506AT): Attachment of Firefly hot air balloon envelopes. JR Aerosports LTD - [STC SL2829SO](https://openairdocs.org/stc/SL2829SO): Installation of the Galaxy 6072 and 6072T baskets on Firefly 9, Firefly 9B-15, Firefly10, and Firefly 11 envelopes and installation of the Galaxy 6096 basket on Firefly 9, Firefly 10, and Firefly 11 envelopes. 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 SB918GL](https://openairdocs.org/stc/SB918GL): Addition of a refueling adapter to the main fuel line. LTA Aviation Inc - [STC SB00407LA](https://openairdocs.org/stc/SB00407LA): Installation of foam padded tank covers. John Terry - [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 SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Firefly Balloons FIREFLY 11](https://openairdocs.org/model/firefly-balloons-firefly-11): 0 registered aircraft, registry code 1050122 - [Firefly Balloons 2010 FIREFLY 11](https://openairdocs.org/model/firefly-balloons-2010-firefly-11): 0 registered aircraft, registry code 1050138 --- 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.