Stol UC-1 airworthiness directives

Aircraft by year built · 14

1969Registered nowDeregistered2026

Aircraft by the year they were built: 14 aircraft
1969	1
1971	2
1972	2
1973	1
1974	2
1975	1
1980	1
1981	1
1982	1
1986	1
2016	1

Airworthiness directives that may apply · 1

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

Airframe · Stol UC-1

AD 2022-03-15Fuel Quantity IndicatorEffective Mar 21, 2022

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 ('8640202'))
  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.

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 ('8640202'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Registered aircraft · 8

N123BRTwin Bee LLC · Groveland, CABuilt 1972 · S/N 012 N250MPJohanson Jason · Groveland, CAS/N 010 N25BYHinshaw Martin E · Anchorage, AKBuilt 1982 · S/N 022 N940YCook Timothy W · Byrdstown, TNS/N 011 N9503UAom Aircraft LLC · Wilmington, DES/N 008 N950CBWoodberry Robert A · Mineral, VAS/N 016 N950TBWeiss Elliott · Fresno, TXBuilt 1980 · S/N 020 N9512UWilkes Jack M · Port Orchard, WAS/N 018

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 ('8640202')
  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.

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 ('8640202')
ORDER BY n_number

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB investigations · 9

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

Defining event, 2008 on

Of 3 cases NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

First occurrence, 1982 to 2007

Of 3 cases with NTSB’s older coding, defined in its coding manual.

NTSB ERA19FA106Accident · 1 fatalClass 2 · FieldFinal reportStol UC-1 · Winter Haven, FLA total loss of left engine power for reasons that could not be determined, and the instructor's failure to maintain airspeed while maneuvering for a forced landing, which resulted in a loss of control. Contributing to the accident was the instructor's…Feb 23, 2019 · N65NE · Substantial damage NTSB CEN15LA038Accident · Minor injuriesLimited investigationFinal reportStol UC 1 · Jacksonville, TXThe loss of right engine power while climbing due to fuel starvation for reasons that could not be determined during postaccident airplane examination and testing, which led to a forced landing on hilly terrain.Oct 25, 2014 · N950TB · Substantial damage NTSB NYC08CA241Accident · Minor injuriesData collectionFinal reportStol UC-1 Twin Bee · Bunnell, FLThe flight instructor's inadequate recovery from a bounced landing.Jul 4, 2008 · N9509U · Substantial damage NTSB FTW96LA305Accident · No injuriesLimited investigationFinal reportStol UC-1 · Princeton, TXimproper adjustment of the left propeller governor which resulted in uncommanded feathering of the left propeller. Factors were: the airplane's inadequate engine out performance and the lack of suitable terrain for the forced landing.Jul 16, 1996 · N9507U · Substantial damage NTSB LAX95LA190Accident · 3 fatalLimited investigationFinal reportStol UC-1 · Saipan, Sarkan inflight collision with the ocean for undetermined reasons.May 21, 1995 · N108CA · Destroyed NTSB MIA83FA227Accident · 1 fatalField investigationFinal reportStol UC-1 · Lake Hamilton, FLThe student was a commercial plt with ratings in single & multi-eng land & single eng sea acft. He was on his 1st flt in this make & model of acft to receve instruction for a multi-eng sea rating. After instructing water landings with flaps, the instructor…Sep 10, 1983 · N9510U · Destroyed NTSB IAD78FIG15Accident · Serious injuriesClosedUnited Cons UC-1 · Edgewater, MDAug 8, 1978 · N250MP · Destroyed NTSB NYC78FA059Accident · 1 fatalClosedStol UC-1 · Champion, PAMay 23, 1978 · N9504U · Substantial damage NTSB NYC78FNC04Accident · No injuriesClosedRepublic UC1 · Harbor, MEOct 14, 1977 · N9506U · Substantial damage

Query with SQL

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 ('8640202') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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 ('8640202')
  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.

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 ('8640202')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

FAA incident reports · 14

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

Accident 20190223010469AStol UC-1 · Winter Haven, FLAircraft was being operated for flight training, aircraft departed runway and at approx. 250' the flight instructor performed a simulated engine failure however when the theottle was pulled back on l/h engine, the engine quit. They were too low to restart…Feb 23, 2019 · N65NE · Destroyed · 1 fatal Incident 20190125009559IStol UC-1 · Winter Haven, FLN65NE, Stol, landed runway 5 and the gear collapsed. POB: 3, injuries: none, damage: extent unknown. 01/25/2019 2030Z This incident occurred during gov't furlough.Jan 25, 2019 · N65NE · No damage Incident 20141127021589IStol UC-1 · Bensen, NCOn November 27, 2014 at 19:17 hours, gso inspector trm received accident phone call from atlanta center and NC harnett county sherriff, gerald coley, concerning an aircraft N9503U, model UC-1 twin bee aircraft, s/n 008, that landed in an open field just…Nov 27, 2014 · N9503U · No damage Accident 20141025024379AStol UC-1 · Jacksonville, TXLost power in the right engine on climb. Completed loss of engine checklist, unable to restart. Unable to hold altitude. Completed off airport landing into rough field. Aircraft substantially damaged due to rough terrain hidden from the air by tall grass.Oct 25, 2014 · N950TB · Substantial damage Incident 20130411005389IStol UC-1 · Bartow, FLPilot departed Bartow airport with passenger and raised the gear. On departure the pilot realized he'd forgotten his cell phone & returned to bow airport, put the gear down, retrieved his phone & departed the airport. When the pilot raised the gear it did not…Apr 11, 2013 · N123BR · Minor damage Accident 20080704855259AStolac UC1 · Bunnell, FL(-23) On July 4, 2008 at approximately 1145 EDT, a stol UC-1 amphibious aircraft, registration number N9509U, s/n 021 piloted by [privacy data omitted] giving instruction of student pilot [privacy data omitted] was practicing glassy water landings at dead…Jul 4, 2008 · N9509U · Substantial damage Incident 20050322005229IStolac UC1 · Oak Harbor, WA(-23) At approximately 1200 noon on March 22, 2005 a [privacy data omitted] pilot while landing on runway 07 at whidbey island airpark (76S) in aircraft N940Y, s/n 011, a twin engine sea bee (twin bee) did execute a landing where the landing gear did…Mar 22, 2005 · N940Y · Minor damage Accident 19960716046149AStolac UC1 · Princeton, TX(-23) At cruise altitude of 4500 ft, with engines set at 2300 RPM and 23 inches of manifold pressure, left engine propeller went to feather position without input of control from pilot. Propeller would not come out of feather position. Pilot secured engine…Jul 16, 1996 · N9507U · No damage Accident 19950521012029AStolac UC1 · Saipan, PSReported returning due to bad weather en route. Became missing. Wreckage of amphibian and bodies found.May 21, 1995 · N108CA · Destroyed · 3 fatal Incident 19920922041749IStolac UC1 · Laconia, NHTwin bee amphiban landed at airport with the landing gear retracted. Pilot check ride.Sep 22, 1992 · N9509U · Minor damage Accident 19830910047869AStolac UC1 · Lake Hamilton, FLReport indicates amphibian struck water nose down on final as a cabin door hinged from the front came open.Sep 10, 1983 · N9510U · Destroyed Accident 19780808036609AStolac UC1 · Edgewater, MDPilot tried to turn back to field rather than land straight aheadwater.Aug 8, 1978 · N250MP · Destroyed Accident 19780523035229AStolac UC1 · Champion, PAMay 23, 1978 · N9504U · Substantial damage Accident 19771014034879AStolac UC1 · Harbor, MEAc struck rocks next to unimproved runway. Right tire ruptured & separated. Rnwy 75 feet wide.Oct 14, 1977 · N9506U · Substantial damage

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 ('8640202')
  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.

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 ('8640202')
ORDER BY event_date DESC, report_number DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Service difficulty reports · 1

SDR 2005FA0000634Clamp · crackedLT ENGINE IB EXHAUST TAILPIPE CRACKED, EXPELLING HEAT INTO ENGINE COMPARTMENT, BURNING PAINT ON COWLING. PART FAILURE OCCURRED BECAUSE OF BROKEN SUPPORT CLAMP, NO PN AVAILABLE DUE TO THE LIMITED PRODUCTION OF THIS AIRCRAFT ON EITHER EXHAUST TAILPIPE OR SUPPORFeb 25, 2005 · N65NE · Stolac UC1 · Engine Collector/Tailpipe/Nozzle

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 = 'UC1'
  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.

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 = 'UC1'
ORDER BY difficulty_date DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

STCs that may be installed · 56

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.

STC SA02571SEInstallation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).Garmin International Inc.STC SA12406WIInstallation of a Garmin AXIS Flight Display SystemGarmin International Inc.STC SA04652CHTo allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specificationSwift Fuels LLC

See all 56 STCs

Query with SQL

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 ('8640202') 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

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 ('8640202')
    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.

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 ('8640202')
  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

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

The same model under other registry codes

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

United Consultants UC-11 registered aircraftRegistry code 9220102

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 = 'UC1' AND m.code NOT IN ('8640202')
  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.

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 = 'UC1' AND m.code NOT IN ('8640202')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.