NTSB investigations: Cessna 170B

7 cases on aircraft the registry lists as Cessna 170B, 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

19862026
NTSB investigations: Cessna 170B per year, 1986–2026: 7 cases
19861
19871
19901
19951
19971
19981
20041

Latest 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 ('2072306', '2072307')
      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.

NTSB LAX04LA100Accident · No injuriesLimited investigationFinal reportCessna 170B · Santa Rosa, CAthe failure of the number 2 cylinder barrel due to fatigue. The lack of suitable landing terrain was a factor in the accident.Jan 17, 2004 · N2502C · Substantial damageNTSB ANC98LA041Accident · No injuriesLimited investigationFinal reportCessna 170B · Kenai, AKA failure of the number six cylinder rod bearing and connecting rod cap for undetermined reasons. Factors in the accident were snow covered terrain that was unsuitable for a forced landing.Apr 25, 1998 · N2692D · Substantial damageNTSB LAX97LA146Accident · Minor injuriesLimited investigationFinal reportCessna 170B · Furnace Creek, CAFuel starvation resulting from disconnection of the fuel selector valve. Factors which contributed to the accident were the pilot's intentional operation with known airplane deficiencies and the rough terrain.Apr 5, 1997 · N2294D · Substantial damageNTSB ANC95LA053Accident · No injuriesLimited investigationFinal reportCessna 170B · Chickaloon, AKThe fracture of the crankshaft resulting in separation of the propeller and propeller flange in-flight. A factor associated with the accident was the lack of suitable terrain for an emergency landing.May 12, 1995 · N4366B · Substantial damageNTSB ANC90LA104Accident · No injuriesLimited investigationFinal reportCessna 170B · Anchorage, AKA power loss due to a fatigue failure of the #5 exhaust rocker arm.Jun 30, 1990 · N8054A · Substantial damageNTSB ANC87LA066Accident · Serious injuriesLimited investigationFinal reportCessna 170B · Kenai, AKThe pilot stated during a low level flight above the trees, the aircraft started to vibrate. A few seconds later the propeller completely separated from the aircraft. The propeller was not located in the wooded area. The propeller separated from the aircraft…May 6, 1987 · N2754D · Substantial damageNTSB ANC86LA103Accident · No injuriesLimited investigationFinal reportCessna 170B · Tekanika River, AKThe acft nosed over during the forced landing which followed a total loss of pwr. The plt reported he noted a decrease in oil pressure during cruise flt just prior to the pwr loss. Examination of the acft eng revealed that the #6 cylinder push rod had failed.Jul 7, 1986 · N3162B · Substantial damage