Aircraft model · Balloon · Balloon · registry code 10501A9

Manufacturer (registry)
BALLOON WORKS
Model
FIREFLY 7-B
Registry code
10501A9
Registered
26 aircraft
Type
Balloon
Engines
None
Seats
1
Weight class
Up to 12,499 lb
Certification
Type certificated
Data sheet
TCDSA14SO
Holder
JR Aerosports Ltd.

Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.

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Aircraft by year built · 190

1980Registered nowDeregistered2026
Aircraft by the year they were built: 190 aircraft
19805
198173
198232
198337
198414
19854
19866
19877
19885
19891
19904
19911
19961

Airworthiness directives that may apply · 4

ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1976In forceSuperseded2026
ADs by the year they took effect: 4 ADs
19761
19811
19841
20131
Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('10501A9'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Information bulletins that may apply · 1

Query with SQL
duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('10501A9'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Registered aircraft · 26

See all 26 registered aircraft
Query with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE aircraft_model_code IN ('10501A9')
  ORDER BY n_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB investigations · 15

Aircraft matched to this model through the registry, by N-number and event date, checked against the reported serial number, make and model.

NTSB FTW98LA231Accident · Serious injuriesLimited investigationFinal reportBalloon Works Firefly 7-B · Longmont, COThe pilot's failure to properly position his foot for a high wind landing. Factors were high winds and windshear.May 17, 1998 · N1527M · No damageNTSB ATL94LA098Accident · No injuriesLimited investigationFinal reportBalloon Works Firefly 7-B · Burlington, NCInadvertent burner control interference by the passenger. A factor was the presence of electric transmission wires at the forced landing site.May 13, 1994 · N1511M · Substantial damageNTSB CHI91LA183Accident · 1 fatalLimited investigationFinal reportBalloon Works FIREFLY-7B · Greenwood, MOThe inadequate briefing to the ground crew by the pilot, because the ground crewman did not understand the intent and objectives of the maneuver.Jun 9, 1991 · N3605G · Minor damageNTSB LAX90LA343Accident · Serious injuriesLimited investigationFinal reportBalloon Works Firefly 7B · Moorpark, CAThe pilot's failure to arrest descent for landing.Jun 17, 1990 · N1523C · No damageNTSB ATL90LA104Accident · No injuriesLimited investigationFinal reportBalloon Works 7B · Lexington, KYThe overload failure of several jumper cords. Factor(s) were inadvertent encounter with unfavorable wind (dust devil). Subsequently, the pilot was unable to control the rate of descent.Apr 22, 1990 · N1512T · Substantial damageNTSB DEN88LA004Accident · No injuriesLimited investigationFinal reportBalloon Works Firefly 7-B · Rio Rancho, NMThe plt rptd that she had vented the Balloon to land. She said it takes both of her hands to open the vent and hold it open. 'When the Balloon hit the ground the burner went on by itself, wide open. The envelope was swinging from the contact of the basket…Oct 5, 1987 · N15260 · Substantial damageNTSB FTW87LA073Accident · No injuriesLimited investigationFinal reportBalloon Works Firefly 7-B · Broken Arrow, OKThe Balloon drifted into power lines just after liftoff. The pilot stated he was hooking up a new temperature gauge and did not notice that the Balloon was descending.Mar 5, 1987 · N15253 · Substantial damageNTSB MKC86FA117Accident · Serious injuriesField investigationFinal reportBalloon Works Firefly 7-B · Lee'S Summit, MOThe PIC stated that prior to liftoff, the Balloon was gyrating and instructed the gnd crew member to steady the Balloon by holding the rope. Just as the Balloon became steady the PIC initiated his takeoff. The PIC was aware of turbulence in the takeoff site…May 25, 1986 · N15369 · Substantial damageNTSB MIA85FA143Accident · 1 fatalField investigationFinal reportBalloon Works Firefly 7B · Orlando, FLThe Balloon was destroyed by an explosion and subsequent fire during touchdown in an open fld. The plt and witnesses stated the gondola touched down with a 'jolt' and tilted in the direction of travel. Shortly thereafter, a popping noise was heard followed by…Apr 7, 1985 · N36938 · DestroyedNTSB CHI84LA244Accident · Serious injuriesLimited investigationFinal reportBarnes AX-7B · Lake Orion, MIA 74 year old passenger in a balloon lost her footing during landing and fell on her arm. Later examination revealed that her arm was broken. The plt and another passenger were not injured. The plt reported that the passengers had been briefed on landing and…Jun 16, 1984 · N37643 · No damageNTSB MKC83LA053Accident · No injuriesLimited investigationFinal reportBalloon Works Fire FLY 7-B · Greenwood, MOThe student plt/owner was being instructed by a free Balloon plt with a commercial certificate. According to the commercial plt, the Balloon had been inflated, but the air was still not hot enough for flt, and the wind blowing over the envelope created a…Jan 8, 1983 · N1510D · Substantial damageNTSB MKC83LA051Accident · Serious injuriesLimited investigationFinal reportBalloon Works Firefly 7B · Indianola, IAThe pilot elected to make a touch and go landing in wind that was from 010 deg at 7, gusting 9 KTS. During touchdown, the basket was drifting and tilted over sideways. The passenger weithed 290 lbs and was unable to maintain his balance. When the basket…Jan 2, 1983 · N1511Y · No damageNTSB FTW82DQG17Accident · Serious injuriesFinal reportBalloon Works 7-B · Masterson, TXAfter making weather observations and obtaining a weather briefing, the instructor pilot (ip) briefed the chase crew of the expected northerly track. The ip and student took off at 0705 CST and ascended to 1200 to 15000 ft AGL and began tracking…Apr 3, 1982 · N1524U · Minor damageNTSB CHI81FEK31Accident · No injuriesClosedBLN Works FF-7B · Johnstown, OHSep 27, 1981 · N1517P · Substantial damageNTSB CHI81DEV17Accident · No injuriesClosedBalloon WKS 7B · Normal, ILMay 2, 1981 · N15443 · Substantial damage
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('10501A9')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

FAA incident reports · 21

Matched to this model through the registry, by N-number and event date, checked against the reported make and model.

See all 21 incident reports
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE aircraft_model_code IN ('10501A9')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Service difficulty reports · 1

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = 'FIREFLY7B'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

STCs that may be installed · 19

Approved for this model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.

See all 19 STCs
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
    WHERE aircraft_model_code IN ('10501A9')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

Query with SQL
duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
  WHERE m.match_key = 'FIREFLY7B' AND m.code NOT IN ('10501A9')
  GROUP BY ALL
  ORDER BY aircraft DESC
  LIMIT 12"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.