# NTSB investigations, 1977, WI

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 2 · 75 cases

## Latest cases

- [NTSB CHI78FEP07](https://openairdocs.org/ntsb/CHI78FEP07.md): Cessna 177 · Madison, WI · Accident · No injuries · Closed · Dec 26, 1977 · N2011Q · Substantial damage
- [NTSB CHI78FEP10](https://openairdocs.org/ntsb/CHI78FEP10.md): Cessna 402 · Milwaukee, WI · Accident · No injuries · Closed · Dec 13, 1977 · N15096 · Substantial damage
- [NTSB CHI78FA008](https://openairdocs.org/ntsb/CHI78FA008.md): Cessna 310P · Eagle River, WI · Accident · 1 fatal · Closed · Nov 7, 1977 · N5861M · Destroyed
- [NTSB CHI78FA007](https://openairdocs.org/ntsb/CHI78FA007.md): Cessna 310Q · Watertown, WI · Accident · 1 fatal · Closed · Nov 6, 1977 · N7701Q · Destroyed
- [NTSB CHI78FEP09](https://openairdocs.org/ntsb/CHI78FEP09.md): Piper PA-31 · Manitowoc, WI · Accident · Serious injuries · Closed · Nov 3, 1977 · N9273Y · Destroyed
- [NTSB CHI78FER01](https://openairdocs.org/ntsb/CHI78FER01.md): Beech D18S · Osceola, WI · Accident · No injuries · Closed · Oct 30, 1977 · N273C · Substantial damage
- [NTSB CHI78FEP08](https://openairdocs.org/ntsb/CHI78FEP08.md): Grum Amer AA1B · Racine, WI · Accident · No injuries · Closed · Oct 28, 1977 · N888IL · Substantial damage
- [NTSB CHI78FEP06](https://openairdocs.org/ntsb/CHI78FEP06.md): Beech C23 · Milwaukee, WI · Accident · No injuries · Closed · Oct 25, 1977 · N2252L · Substantial damage
- [NTSB CHI78FEP05](https://openairdocs.org/ntsb/CHI78FEP05.md): Piper PA-24 · Green Bay, WI · Accident · No injuries · Closed · Oct 19, 1977 · N5837P · Substantial damage
- [NTSB CHI78FEP04](https://openairdocs.org/ntsb/CHI78FEP04.md): Cessna 172M · Elkhorn, WI · Accident · Minor injuries · Closed · Oct 17, 1977 · N20011 · Destroyed
- [NTSB CHI78DEP03](https://openairdocs.org/ntsb/CHI78DEP03.md): Hawk DSK-1 · Mosinee, WI · Accident · No injuries · Closed · Oct 16, 1977 · N9FK · Substantial damage
- [NTSB CHI78DEP02](https://openairdocs.org/ntsb/CHI78DEP02.md): Semco Chlngr · Mauston, WI · Accident · Serious injuries · Closed · Oct 16, 1977 · N14550 · No damage
- [NTSB CHI78FEP01](https://openairdocs.org/ntsb/CHI78FEP01.md): Hughes 269C · Cottage Grove, WI · Accident · Minor injuries · Closed · Oct 6, 1977 · N7436F · Substantial damage
- [NTSB CHI77DEP64](https://openairdocs.org/ntsb/CHI77DEP64.md): Cessna 337 · Wilmot, WI · Accident · No injuries · Closed · Sep 28, 1977 · N6304F · Substantial damage
- [NTSB CHI77FEP61](https://openairdocs.org/ntsb/CHI77FEP61.md): Cessna 172L · West Bend, WI · Accident · No injuries · Closed · Sep 18, 1977 · N1TA · Substantial damage
- [NTSB CHI77DEP62](https://openairdocs.org/ntsb/CHI77DEP62.md): Piper PA-28 · Middleton, WI · Accident · No injuries · Closed · Sep 18, 1977 · N15953 · Substantial damage
- [NTSB CHI77FEP63](https://openairdocs.org/ntsb/CHI77FEP63.md): Cessna 150L · Winneconne, WI · Accident · Serious injuries · Closed · Sep 14, 1977 · N19257 · Substantial damage
- [NTSB CHI78FA071](https://openairdocs.org/ntsb/CHI78FA071-201250.md): Cessna 320 · Milwaukee, WI · Accident · 2 fatal · Closed · Sep 11, 1977 · N5719X · Destroyed
- [NTSB CHI77FEP60](https://openairdocs.org/ntsb/CHI77FEP60.md): Cessna 170 · Mosinee, WI · Accident · No injuries · Closed · Sep 5, 1977 · N2667V · Substantial damage
- [NTSB CHI77FEP59](https://openairdocs.org/ntsb/CHI77FEP59.md): Bell 47J2A · Plymouth, WI · Accident · Minor injuries · Closed · Sep 5, 1977 · N6769D · Substantial damage
- [NTSB CHI77DEP57](https://openairdocs.org/ntsb/CHI77DEP57.md): Cessna 150 · New Holstein, WI · Accident · No injuries · Closed · Aug 27, 1977 · N704RP · Substantial damage
- [NTSB CHI77FEP58](https://openairdocs.org/ntsb/CHI77FEP58.md): Beech 95-A55 · Milwaukee, WI · Accident · No injuries · Closed · Aug 25, 1977 · N200KL · Substantial damage
- [NTSB CHI77FA069](https://openairdocs.org/ntsb/CHI77FA069.md): Cessna 170 · Florence, WI · Accident · 4 fatal · Closed · Aug 23, 1977 · N4052V · Destroyed
- [NTSB CHI77DEP56](https://openairdocs.org/ntsb/CHI77DEP56.md): Cessna 172M · Dodgeville, WI · Accident · No injuries · Closed · Aug 21, 1977 · N5240R · Substantial damage
- [NTSB CHI77DEP55](https://openairdocs.org/ntsb/CHI77DEP55.md): Champion 7EC · Waukesha, WI · Accident · Minor injuries · Closed · Aug 20, 1977 · N8569E · Substantial damage
- [NTSB CHI77DEP51](https://openairdocs.org/ntsb/CHI77DEP51.md): GR Lakes 2T-1A2 · Menomonee, WI · Accident · No injuries · Closed · Aug 14, 1977 · N6018L · Substantial damage
- [NTSB CHI77DEP50](https://openairdocs.org/ntsb/CHI77DEP50.md): Schweizer 1-26B · West Bend, WI · Accident · No injuries · Closed · Aug 14, 1977 · N2780Z · Substantial damage
- [NTSB CHI77FEP53](https://openairdocs.org/ntsb/CHI77FEP53.md): Pietenpol GN1 · Wis.Rapids, WI · Accident · Serious injuries · Closed · Aug 8, 1977 · N83951 · Substantial damage
- [NTSB CHI77DEP54](https://openairdocs.org/ntsb/CHI77DEP54.md): Starduster BR-2 · Pardeeville, WI · Accident · No injuries · Closed · Aug 5, 1977 · N9BR · Substantial damage
- [NTSB CHI77FA063](https://openairdocs.org/ntsb/CHI77FA063.md): Aero Comdr 720 · Wausau, WI · Accident · 3 fatal · Closed · Aug 4, 1977 · N688R · Destroyed
- [NTSB CHI77FEP49](https://openairdocs.org/ntsb/CHI77FEP49.md): Hughes 269B · Waupaca, WI · Accident · Serious injuries · Closed · Aug 2, 1977 · N9448F · Substantial damage
- [NTSB CHI77FA062](https://openairdocs.org/ntsb/CHI77FA062.md): Bellanca 7ACA · Oshkosh, WI · Accident · 1 fatal · Closed · Aug 1, 1977 · N12204 · 2 aircraft · Destroyed
- [NTSB CHI77FEP47](https://openairdocs.org/ntsb/CHI77FEP47.md): Cessna 172 · Lake Geneva, WI · Accident · Serious injuries · Closed · Jul 31, 1977 · N7409A · Substantial damage
- [NTSB CHI77EEP48](https://openairdocs.org/ntsb/CHI77EEP48.md): Bellanca 14-13 · Prairie Du Chn, WI · Accident · 1 fatal · Closed · Jul 30, 1977 · N86709 · Substantial damage
- [NTSB CHI77DEP52](https://openairdocs.org/ntsb/CHI77DEP52.md): Beech B-19 · Milwaukee, WI · Accident · No injuries · Closed · Jul 30, 1977 · N1990L · Substantial damage
- [NTSB CHI77DEP46](https://openairdocs.org/ntsb/CHI77DEP46.md): Grum Amer AA1B · Waunakee, WI · Accident · No injuries · Closed · Jul 25, 1977 · N9698L · Substantial damage
- [NTSB CHI77FEP45](https://openairdocs.org/ntsb/CHI77FEP45.md): Bellanca 17-30A · Milwaukee, WI · Accident · No injuries · Closed · Jul 18, 1977 · N39867 · Substantial damage
- [NTSB CHI77DEP44](https://openairdocs.org/ntsb/CHI77DEP44.md): Cessna 182 · Burlington, WI · Accident · No injuries · Closed · Jul 16, 1977 · N2683G · Substantial damage
- [NTSB CHI77FER04](https://openairdocs.org/ntsb/CHI77FER04.md): Piper PA-24 · Superior, WI · Accident · 1 fatal · Closed · Jul 4, 1977 · N8898 · Substantial damage
- [NTSB CHI77FEP42](https://openairdocs.org/ntsb/CHI77FEP42.md): Cessna 188B · Nekoosa, WI · Accident · No injuries · Closed · Jul 4, 1977 · N4915Q · Substantial damage
- [NTSB CHI77DEP40](https://openairdocs.org/ntsb/CHI77DEP40.md): Bellanca 7AC · Kaukauna, WI · Accident · No injuries · Closed · Jun 26, 1977 · N85118 · Substantial damage
- [NTSB CHI77FEP43](https://openairdocs.org/ntsb/CHI77FEP43.md): Maule M4220C · Hayward, WI · Accident · No injuries · Closed · Jun 25, 1977 · N7622E · Substantial damage
- [NTSB CHI77FEP41](https://openairdocs.org/ntsb/CHI77FEP41.md): Snow S2C · Nekoosa, WI · Accident · No injuries · Closed · Jun 25, 1977 · N1670S · Substantial damage
- [NTSB CHI77FEP38](https://openairdocs.org/ntsb/CHI77FEP38.md): Beech A23 · Portage, WI · Accident · Minor injuries · Closed · Jun 19, 1977 · N1479L · Substantial damage
- [NTSB CHI77FEP39](https://openairdocs.org/ntsb/CHI77FEP39.md): Piper PA-32 · Madison, WI · Accident · No injuries · Closed · Jun 17, 1977 · N15635 · Substantial damage
- [NTSB CHI77DEP35](https://openairdocs.org/ntsb/CHI77DEP35.md): Replica BE-2C · Neenah, WI · Accident · Serious injuries · Closed · Jun 14, 1977 · N1914B · Substantial damage
- [NTSB CHI77FA049](https://openairdocs.org/ntsb/CHI77FA049.md): Piper PA-24 · Grafton, WI · Accident · 4 fatal · Closed · Jun 11, 1977 · N6349P · Destroyed
- [NTSB CHI77FEP37](https://openairdocs.org/ntsb/CHI77FEP37.md): Cessna 172A · Sturgeon Bay, WI · Accident · No injuries · Closed · Jun 7, 1977 · N9712T · Substantial damage
- [NTSB CHI77DEP36](https://openairdocs.org/ntsb/CHI77DEP36.md): Piper PA-32 · Clam Lake, WI · Accident · Minor injuries · Closed · Jun 2, 1977 · N8383C · Substantial damage
- [NTSB CHI77FA046](https://openairdocs.org/ntsb/CHI77FA046.md): Piper PA-24 · Evansville, WI · Accident · 4 fatal · Closed · May 27, 1977 · N9326P · Destroyed

Next page: https://openairdocs.org/ntsb.md?year=1977&state=WI&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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") = 1977
  AND c."eventStateOrRegion" = 'WI' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=WI&year=1977

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.