NTSB investigations: Continental GTSIO-520-C, 1991

7 cases on aircraft whose registry engine model is Continental GTSIO-520-C. 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

19662026
NTSB investigations: Continental GTSIO-520-C, 1991 per year, 1966–2026: 332 cases
19662
19679
19685
196911
197010
19719
197211
19735
197410
19759
19768
19777
197812
197911
198010
198113
198212
19839
19841
19857
19865
19879
19889
19895
19906
19917
19922
19933
19945
19957
19962
19986
19997
20003
20012
20026
20036
20048
20054
20068
20074
20084
20095
20103
20111
20124
20131
20143
20152
20161
20172
20182
20193
20213
20223
20233
20243
20251
20263

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 year(c.\"eventDate\") = 1991
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17035'))
  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 DEN91LA136Accident · No injuriesLimited investigationFinal reportCessna 421B · Pagosa Springs, COInadequate preflight of the aircraft by the pilot in command. A factor was: failure of the pilot in command to properly latch the cargo door.Aug 16, 1991 · N80RS · Substantial damageNTSB DEN91LA101Accident · No injuriesLimited investigationFinal reportCessna 421B · Colorado Spring, COA fractured fuel line and an improperly performed annual inspection.Jul 17, 1991 · N768RA · Substantial damageNTSB MIA91FA172Accident · Serious injuriesField investigationFinal reportCessna 411 · North Ft. Myers, FLThe pilot in commands failure to follow emergency procedures and his failure to maintain airspeed following loss of power in one engine resulting in an inadvertent stall and the inflight loss of control with subsequent inflight collision with an object and…Jun 28, 1991 · N4940T · DestroyedNTSB NYC91LA108Accident · No injuriesLimited investigationFinal reportCessna 402A · Albany, NYA collapse of the nose gear due to a failure of the nose gear trunion.Apr 7, 1991 · N104EC · Substantial damageNTSB LAX91LA142Accident · No injuriesLimited investigationFinal reportCessna 421 · El Monte, CAThe pilot retracting the landing gear during the landing roll.Mar 23, 1991 · N4071L · Substantial damageNTSB LAX91LA129Accident · Serious injuriesLimited investigationFinal reportCessna 421B · Tucson, AZThe fatigue failure of the right engine turbo exhaust clamp, and, the failure of the flying pilot to complete the single engine emergency procedures in a timely manner. A factor in the accident was the failure of the pilot in command to adequately supervise…Mar 12, 1991 · N924MD · Substantial damageNTSB FTW91FA027Accident · 6 fatalField investigationFinal reportCessna 421B · Muskogee, OKThe pilot's failure to maintain control of the aircraft, due to spatial disorientation. Factors related to the accident were: darkness, adverse weather conditions, and the pilot's physical impairment from the chronic sinus infection.Jan 6, 1991 · N421H · Destroyed