NTSB investigations: Aeronca 7AC
17 cases on aircraft the registry lists as Aeronca 7AC, where the first occurrence was “Loss of engine power(total) - nonmechanical”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1982 | 1 |
|---|---|
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 2 |
| 1988 | 2 |
| 1989 | 3 |
| 1991 | 1 |
| 1993 | 1 |
| 1995 | 2 |
| 2004 | 1 |
| 2006 | 1 |
Where
Open the mapLatest cases
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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2110102')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 353))
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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2110102')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 353))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 SEA06LA130Accident · Serious injuriesLimited investigationFinal reportAeronca 7AC · Snohomish, WAThe loss of engine power for undertermined reasons. Conditions for carburetor icing were present at the time of the accident. Factors included the fence and the berm.NTSB FTW04LA124Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Fort Stockton, TXThe pilot's improper leaning of the fuel/air mixture in-flight, which resulted in a loss of engine power. Factor were the wind gusts and the crosswind.NTSB CHI96LA023Accident · Minor injuriesLimited investigationFinal reportAeronca 7AC · Lapeer, MIfuel exhaustion resulting in engine failure, the inadvertant stall, and improper decision by the pilot to attempt a large heading change at low altitude and airspeed. A factor relating to this accident is no fuel quantity gage installed in the airplane.NTSB NYC95LA208Accident · Serious injuriesLimited investigationFinal reportAeronca 7AC · Andover, NJThe flight instructor's inadequate preflight which failed to detect an inadequate fuel supply which subsequently resulted in fuel exhaustion and the loss of engine power.NTSB DEN93LA071Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Watkins, COTotal loss of power resulting from a blocked carburetor fuel filter. A factor was: soft terrain encountered during the forced landing.NTSB ATL92LA021Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Wilson, NCThe intentional operation of the aircraft with a known deficiency and inadequate preflight inspection by the pilot.NTSB ATL89LA215Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Semmes, ALImproper replacement of the fuel cap gasket by the pilot, which resulted in a blocked fuel cap vent and fuel starvation. Trees in the emergency landing area contributed to aircraft damage.NTSB MIA89LA208Accident · Serious injuriesLimited investigationFinal reportAeronca 7AC · Homestead, FLImproper repair of the fuel cap (seal) by the pilot, which resulted in a blocked fuel system (cap) vent and subsequent fuel starvation, and his failure to see-and-avoid the telephone line. The telephone (transmission) line was a contributing factor.NTSB FTW89LA069Accident · Minor injuriesLimited investigationFinal reportAeronca 7AC · Catoosa, OKCarburetor ice and improper use of carburetor heat. Factors related to the occurrence were: carburetor icing conditions and rough/uneven terrain.NTSB ATL89FA019Accident · Serious injuriesField investigationFinal reportAeronca 7AC · Austell, GAPIC was obtaining bfr; stalls & flt at min control airspeed were completed. PIC began descent from 2500 MSL to his pvt strip for simulated engine out landing. In a subsequent interview PIC said carb heat was applied & removed after 30 sec. In his rpt he said…NTSB BFO88LA055Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Capon Bridge, WVLoss of power because of carburetor ice which obstructed airflow to the engine. The aircraft nosed over on landing because of soft terrain and high grass. The pilot's failure to use carburetor heat is a contributing factor.NTSB MKC87LA001Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Tribune, KSThe PIC rptd eng failure while in cruise flt. The student PIC suspected carb icing as the cause of the eng failure. No mechanical pblm was discovered during the eng inspection. The icing probability charts indicated that carburetor icing was likely in the…NTSB DEN86LA088Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Santa Rosa, NMAccording to the plt, the eng quit during the initial climbout and the acft was substantially damaged during the subsequent forced landing. Post accident inspection disclosed the gascolator was broken which resulted in fuel starvation to the engine.NTSB MIA85LA138Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Key Largo, FLThe acft departed tavernaro arpt with an estimated 3 to 4 gallons of fuel on board & proceeded northeast to port Largo arpt, executed two touch & go landings, departed the pattern & approximately 6 miles northeast of port Largo arpt the eng started to run…NTSB NYC84LA206Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Patton, PAEng quit at an alt of 50-75 ft after takeoff. A forced landing was made in a plowed field. The acft was removed from thefield and examined by a FAA airworthiness inspector at a later date. Inspection revealed the fuel tank was empty and thegascolator was…NTSB FTW83LA256Accident · No injuriesLimited investigationFinal reportAeronca 7AC · El Reno, OKThe acft nosed over during a forced landing after the engine quit. The plt stated that when about 4 miles from the arpt at 200 ft the engine began losing power with the dropping from 2000 to 1500 RPM. He also stated that application of carburetor heat did not…NTSB CHI82FER22Accident · Serious injuriesFinal reportAeronca 7AC · Maple Plain, MNThe pilot reported that he circled the farm area several times to find a suitable landing site. He decided on a portion of the farmer's field next to the house and made a final pass to inspect the area. During the pass, he saw some trees and reportedly…