Burkhart Grob Flugzeugbau G109 airworthiness directives

Aircraft by year built · 30

1981Registered nowDeregistered2026

Aircraft by the year they were built: 30 aircraft
1981	5
1982	16
1983	8
1985	1

Airworthiness directives that may apply · 0

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

No ADs matched this model

Information bulletins that may apply · 1

Airframe · Burkhart Grob Flugzeugbau G109

SAIB ACE-98-43Issued Jul 30, 1998

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 ('1660204'))
  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.

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 ('1660204'))
GROUP BY s.saib_number ORDER BY issue_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.

Registered aircraft · 17

N109CNOestreich Klaus M · Needville, TXBuilt 1985 · S/N 6123 N109ECDesert Raptor LLC · Monroe, WABuilt 1983 · S/N 6136 N109HBLambros J Mitchell · Cockeysville, MDBuilt 1982 · S/N 6117

See all 17 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 ('1660204')
  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 ('1660204')
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 · 5

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

Loss of lift1 case

Of 1 case 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 4 cases with NTSB’s older coding, defined in its coding manual.

NTSB GAA16CA489Accident · No injuriesData collectionFinal reportBurkhart Grob Flugzeugbau G109 · Emigrant Gap, CAThe pilot's inappropriate decision to continue the flight into higher elevation under high-density altitude conditions, which degraded the glider's climb performance and resulted in impact with trees short of the intended runway.Sep 9, 2016 · N909G · Substantial damage NTSB ATL07CA043Accident · No injuriesData collectionFinal reportBurkhart-Grob G109 · Monticello, GAThe pilot's improper recovery from a bounced landing, which resulted in a loss of control, an in-flight collision with a hangar, and subsequent in-flight collision with the runway.Feb 12, 2007 · N3875R · Substantial damage NTSB LAX06LA270Accident · No injuriesLimited investigationFinal reportBurkhart Grob Flugzeugbau G109 · Glendale, AZThe failure and separation of one propeller blade for undetermined reasons.Aug 18, 2006 · N39262 · Substantial damage NTSB CHI90LA274Accident · Minor injuriesLimited investigationFinal reportBurkhart Grob 109A · Waukesha, WIThe pilot's failure to maintain adequate clearance and visual lookout for the moving tractor.Sep 26, 1990 · N912G · Substantial damage NTSB NYC83LA135Accident · Serious injuriesLimited investigationFinal reportBurkhart Grob 109 · Finleyville, PAThe motorized glider collided with trees and the terrain during an emergency landing after the prop had struck the ground during takeoff. During the takeoff roll the propeller 1st collided with high grass and then a bump in the ground after the pilot lost…Jun 5, 1983 · N903BG · 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 ('1660204') 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 ('1660204')
  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 ('1660204')
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 · 12

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

Accident 20160909017919ABurkhart Grob Flugzeugbau G109 · Emigrant Gap, CAWhile in cruise flight a motor glider encountered rising terrain and adverse atmospheric conditions. Pilot was in contact with ATC center and advised of problem. ATC pointed out an airport 2 miles away, however, motor glider was unable to out climb the…Sep 9, 2016 · N909G · Substantial damage Accident 20070212001889AGrob G109 · Monticello, GA(-23) On February 12, 2007 at 5:00 pm local time aircraft N3875R Grob G-109 attempted to land on runway 28 at (GA06) Monticello airport. The pilot reported weather conditions as clear with slight crosswinds at 10. The pilot stated while attempting a normal…Feb 12, 2007 · N3875R · Substantial damage Accident 20060818020049AGrob G109 · Glendale, AZ(-23) On downwind, during takeoff the pilot encountered extreme vibration coming from the engine. The pilot shut down the engine and the vibration ceased. The pilot was able to glide to the runway and make an uneventful landing. The cause of the vibration was…Aug 18, 2006 · N39262 · Substantial damage Incident 19990821027189IGrob G109 · Gordon, NE(-23) Pilot was on a ferry flight from clarksville, Ohio to eureka, California, stopped in rushville, Nebraska and picked up a relative and flew to Gordon, Nebraska to get fuel. After topping off the fuel tank with 16 gallons of fuel, the pilot attempted to…Aug 21, 1999 · N903BG · Minor damage Incident 19950924038479IGrob G109 · West Palm Beach, FLBounced motorized glider landing. Pushed nosedown to recover. Prop hit runway. Damaged both blades.Sep 24, 1995 · N109EC · Minor damage Accident 19900926042479AGrob G109 · Brookfield, WIMotor glider struck a mowing machine and driver on landing roll. Driver was mowing too close to an active runway.Sep 26, 1990 · N912G · Substantial damage Incident 19900423018649IGrob G109 · Denver, COAircraft nosed over on landing rollout. Pilot would not make a statement as to incident.Apr 23, 1990 · N923G · Minor damage Incident 19890607047669IGrob G109 · South Charlesto, OHAircraft collided with fence post while taxiing. Minor damage to left wing tip.Jun 7, 1989 · N909BG · Minor damage Incident 19840504015869IGrob G102ASTIR · Needles, CAEncountered a strong downdraft off the end of the runway on takeoff in a motorized glilder. Was forced to land.May 4, 1984 · N426BG · Minor damage Incident 19830705046569IGrob G109 · Urbana, OHGround looped while landing in a crosswind. Side load collapsed the landing gear.Jul 5, 1983 · N909BG · Minor damage Accident 19830605026049AGrob G109 · Finleyville, PAWheel hit patch of tall grass on takeoff. Caused prop strike. Shut off engine due to vibration. Hit trees returningJun 5, 1983 · N903BG · Substantial damage Incident 19821108065219IGrob G109 · Show Low, AZThe power gliders propeller was bent on the landing roll out when heavy braking was used to stop on the runway.Nov 8, 1982 · N426BG · Minor 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 ('1660204')
  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 ('1660204')
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 2004FA0000817Mount Bracket · crackedBRACKET WAS CRACKED AND BROKEN, ALLOWING THE BRACKET TO BECOME LOOSE. THE TAIL WHEEL ATTACH STUD CONTACTOR TO ELEVATION TORQUE TUBE DAMAGING THE TUB. RECOMMEND A FLEET WIDE VISUAL INSPECTION FOR CRACKS/ DAMAGE OF BRACKETS/ TORQUE FUSER.Sep 23, 2004 · N909G · Grob G109 · Nose/Tail Landing Gear Attach Section

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 = 'G109'
  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 = 'G109'
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.

The same model under other registry codes

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

Burkhart Grob G 1090 registered aircraftRegistry code 1660199

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 = 'G109' AND m.code NOT IN ('1660204')
  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 = 'G109' AND m.code NOT IN ('1660204')
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.