NTSB investigations: Grumman American Avn. AA-5B
5 cases on aircraft the registry lists as Grumman American Avn. AA-5B, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. 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
| 1984 | 1 |
|---|---|
| 1987 | 1 |
| 1990 | 1 |
| 1995 | 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 ('3960105')
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\" = 351))
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 ('3960105')
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" = 351))
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 LAX07LA004Accident · No injuriesLimited investigationFinal reportGrumman American AA-5B · Oakdale, CAA total loss of engine power resulting from lubrication deprivation for undetermined reasons.NTSB ATL95LA055Accident · No injuriesLimited investigationFinal reportGrumman AA-5B · Salisbury, NCThe separation of the oil line to the oil cooler which resulted in a loss of engine oil and subsequent engine seizure.NTSB NYC90DEI02Accident · Serious injuriesFinal reportGrumman AA5B · Beachwood, OHThe engine failure due to an improper engine overhaul performed by unqualified persons. The unsuitable terrain was a factor.NTSB NYC88LA016Accident · No injuriesLimited investigationFinal reportGulfstream American AA-5B · Barre, MAThe aircraft was in the traffic pattern when it experienced a power loss. The plt made an off-airport landing in a wooded area. The pilot reported that he was in a slip prior to and at the time of the reported power loss. The FAA reported that the engine…NTSB LAX85FA078Accident · Serious injuriesField investigationFinal reportGrumman AA-5B · Corona, CADuring maint of the eng, & just before the annual inspection was signed off, someone partially loosened & then attempted to tighten the bolt securing the crankshaft gear to the crankshaft. The old lockplate was not replaced & was not properly secured about…