NTSB investigations: Hiller UH-12E, AK

37 cases on aircraft the registry lists as Hiller UH-12E. 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

19642026
NTSB investigations: Hiller UH-12E, AK per year, 1964–2026: 37 cases
19643
19651
19664
19671
19683
19693
19701
19712
19722
19731
19744
19757
19771
19781
19801
19831
20071

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.\"eventStateOrRegion\" = 'AK' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4360122', '4360137'))
  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 ANC07LA062Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Skwentna, AKThe pilot's failure to maintain clearance from a glacier, which resulted in a tail rotor strike during landing, and damage to the helicopter during an emergency descent/landing on rough/uneven terrain. Factors contributing to the accident were variable and…Jul 10, 2007 · N146ET · Substantial damageNTSB ANC83LA172Accident · No injuriesLimited investigationFinal reportHiller-Soloy UH12E · Cape Yakataga, AKThe helicopter rolled over during a forced landing on a beach after the engine quit. Discussions with the plt owner of the company verified that the acft had run out of fuel. The owner had warned his pilots to visually check fuel on the helicopters due to…Sep 15, 1983 · N3324F · Substantial damageNTSB ANC80DAD10Accident · No injuriesClosedHiller Acft UH-12E · Petersburg, AKAug 23, 1980 · N9784C · Substantial damageNTSB ANC78FA057Accident · Minor injuriesClosedHiller UH12E3 · Livengood, AKJul 23, 1978 · N9762C · Substantial damageNTSB ANC77FA063Accident · 1 fatalClosedHiller 12EJ3 · Ketchikan, AKJul 28, 1977 · N5358V · DestroyedNTSB ANC76AA021Accident · 2 fatalClosedHiller Acft UH-12E · Painter Creek, AKAug 11, 1975 · N5379V · DestroyedNTSB ANC76AA014Accident · No injuriesClosedHiller Acft UH12-E · Kobuk, AKJul 27, 1975 · N5360V · Substantial damageNTSB ANC76AA012Accident · No injuriesClosedHiller Acft UH-12E · Chicken, AKJul 22, 1975 · N5339V · Substantial damageNTSB ANC76DAG17Accident · No injuriesClosedHiller Acft UH-12E · Kenai, AKJul 21, 1975 · N5359V · DestroyedNTSB ANC76DAG05Accident · No injuriesClosedHiller Acft UH-12E · Yakataga, AKJul 2, 1975 · N9792C · Substantial damageNTSB ANC75AA084Accident · No injuriesClosedHiller Acft UH12-E · Maunetuk River, AKMay 17, 1975 · N5335V · Substantial damageNTSB ANC75DAD06Accident · No injuriesClosedHiller Acft UH-12E · Ketchikan, AKMay 12, 1975 · N107HA · Substantial damageNTSB ANC75AA021Accident · Minor injuriesClosedHiller Acft UH-12E · Ketchikan, AKSep 1, 1974 · N112EC · DestroyedNTSB ANC75AA001Accident · Minor injuriesClosedHiller Acft UH-12E · Ketchikan, AKJul 2, 1974 · N5352V · Substantial damageNTSB ANC74AA074Accident · Minor injuriesClosedHiller Acft UH-12E · Talkeetna, AKJun 5, 1974 · N100EH · Substantial damageNTSB ANC74DAD14Accident · No injuriesClosedHiller Acft UH-12E · Ketchikan, AKMar 21, 1974 · N5352V · Substantial damageNTSB ANC74AA006Accident · No injuriesClosedHiller Acft UH-12E · Bettles, AKJul 11, 1973 · N9743C · Substantial damageNTSB ANC73FAD01Accident · No injuriesClosedHiller 12E · Annette, AKAug 27, 1972 · N4415 · DestroyedNTSB ANC72AA046Accident · No injuriesClosedHiller UH-12E · Ketchikan, AKMay 12, 1972 · N5364V · Substantial damageNTSB ANC72DAG11Accident · Serious injuriesClosedHiller 12-E4 · Chitina, AKJul 20, 1971 · N9759C · Substantial damageNTSB ANC72DAG04Accident · No injuriesClosedHiller 12E · Cordova, AKJun 29, 1971 · N5358V · Substantial damageNTSB ANC71DAD01Accident · No injuriesClosedHiller Acft UH-12E · Port Alexndr, AKJul 26, 1970 · N5325V · Substantial damageNTSB ANC70A0033Accident · No injuriesClosedHiller Acft US-12E · Kenai, AKAug 18, 1969 · N5384V · Substantial damageNTSB ANC70A0003Accident · No injuriesClosedHiller Acft UH12E · Bettles, AKJul 9, 1969 · N5362V · Substantial damageNTSB ANC70F0019Accident · Minor injuriesClosedHiller UH-12E · Barrow, AKMar 28, 1969 · N9761C · DestroyedNTSB ANC72DAA36Accident · No injuriesClosedHiller UH-12E · Stevens Vill, AKDec 7, 1968 · N9743C · Substantial damageNTSB ANC69A0016Accident · 2 fatalClosedHiller UH-12E · Ketchikan, AKAug 28, 1968 · N5357V · DestroyedNTSB ANC68A0045Accident · No injuriesClosedHiller UH-12E · Wrangell, AKMar 31, 1968 · N5352V · Substantial damageNTSB ANC67A0065Accident · No injuriesClosedHiller Acft UH12E4 · Eagle, AKJun 22, 1967 · N9770C · Substantial damageNTSB ANC67A0020Accident · No injuriesClosedHiller UH-12E · Dillingham, AKAug 19, 1966 · N5341V · Substantial damageNTSB ANC67A0006Accident · No injuriesClosedHiller UH12E4 · Fairbanks, AKJul 15, 1966 · N9762C · Substantial damageNTSB ANC66A0049Accident · Minor injuriesClosedHiller UH12EL · Dillingham, AKJun 21, 1966 · N9786C · Substantial damageNTSB ANC66A0048Accident · Minor injuriesClosedHiller UH-12E · Fairbanks, AKJun 7, 1966 · N9770C · Substantial damageNTSB ANC66A0013Accident · No injuriesClosedHiller UH-12E · Juneau, AKSep 26, 1965 · N5357V · Substantial damageNTSB UNK64X4079Accident · No injuriesClosedHiller UH12E · Manly Ht Spg, AKSep 20, 1964 · N5379V · Substantial damageNTSB UNK64X3322Accident · No injuriesClosedHiller UH12E · Northway, AKAug 10, 1964 · N5358V · Substantial damageNTSB UNK64X2883Accident · Minor injuriesClosedHiller UH12EL · 24w Skwentna, AKJul 17, 1964 · N5336V · Substantial damage