# NTSB investigations, 1970: Uncontrolled descent

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 3 · 125 cases

## Latest cases

- [NTSB MKC71AK036](https://openairdocs.org/ntsb/MKC71AK036.md): Cessna 182 · Mexico, MO · Accident · 3 fatal · Closed · Dec 22, 1970 · N3924D · Destroyed
- [NTSB SEA71AS030](https://openairdocs.org/ntsb/SEA71AS030.md): Mooney M20E · Amity, OR · Accident · 2 fatal · Closed · Dec 20, 1970 · N1983Y · Destroyed
- [NTSB DEN71AD028](https://openairdocs.org/ntsb/DEN71AD028.md): Cessna T310P · Cheyenne, WY · Accident · 1 fatal · Closed · Dec 18, 1970 · N5810M · Destroyed
- [NTSB IAD71DIJ13](https://openairdocs.org/ntsb/IAD71DIJ13.md): Piper PA-28 · Morgantown, WV · Accident · No injuries · Closed · Dec 17, 1970 · N8986J · Substantial damage
- [NTSB CHI71AC042](https://openairdocs.org/ntsb/CHI71AC042.md): Piper PA-28 · Effingham, IL · Accident · 3 fatal · Closed · Dec 17, 1970 · N4253J · Destroyed
- [NTSB LAX71DUQ48](https://openairdocs.org/ntsb/LAX71DUQ48.md): Forney F-1A · Rosamond, CA · Accident · Serious injuries · Closed · Dec 16, 1970 · N3542H · Destroyed
- [NTSB MKC71AK033](https://openairdocs.org/ntsb/MKC71AK033.md): Cessna 172 · Garden City, KS · Accident · 3 fatal · Closed · Dec 15, 1970 · N6064A · Destroyed
- [NTSB FTW71AF032](https://openairdocs.org/ntsb/FTW71AF032.md): Stinson 108-1 · Beaumont, TX · Accident · 1 fatal · Closed · Dec 15, 1970 · N9094K · Destroyed
- [NTSB FTW71DRD29](https://openairdocs.org/ntsb/FTW71DRD29.md): Bell 206A · Leeville, LA · Accident · Serious injuries · Closed · Dec 14, 1970 · N7850S · Substantial damage
- [NTSB MIA71AM050](https://openairdocs.org/ntsb/MIA71AM050.md): Beech 35 · Crystal River, FL · Accident · 2 fatal · Closed · Dec 12, 1970 · N3077V · Destroyed
- [NTSB MKC71AK032](https://openairdocs.org/ntsb/MKC71AK032.md): Piper PA-22 · Rapid City, SD · Accident · 1 fatal · Closed · Dec 9, 1970 · N6920B · Destroyed
- [NTSB ANC71AA031](https://openairdocs.org/ntsb/ANC71AA031.md): Maule M4-210 · Anchorage, AK · Accident · 2 fatal · Closed · Dec 6, 1970 · N9829M · Destroyed
- [NTSB MKC71AK028](https://openairdocs.org/ntsb/MKC71AK028.md): Cessna 182M · Kingsville, MO · Accident · 2 fatal · Closed · Nov 26, 1970 · N71319 · Destroyed
- [NTSB LAX72AL021](https://openairdocs.org/ntsb/LAX72AL021.md): Piper PA-28 · Mcnary, AZ · Accident · 2 fatal · Closed · Nov 26, 1970 · N7509W · Destroyed
- [NTSB SEA71AS027](https://openairdocs.org/ntsb/SEA71AS027.md): Piper PA-24 · St.Charles, ID · Accident · 4 fatal · Closed · Nov 25, 1970 · N8724P · Destroyed
- [NTSB NYC71AN063](https://openairdocs.org/ntsb/NYC71AN063.md): Cessna 310P · Grove City, PA · Accident · 3 fatal · Closed · Nov 20, 1970 · N5789M · Destroyed
- [NTSB CHI71AC034](https://openairdocs.org/ntsb/CHI71AC034.md): Piper PA-24 · Weston, WI · Accident · 4 fatal · Closed · Nov 18, 1970 · N7880P · Destroyed
- [NTSB OAK71AP025](https://openairdocs.org/ntsb/OAK71AP025.md): Cessna 205A · Castro Vlly, CA · Accident · 2 fatal · Closed · Nov 11, 1970 · N8167Z · Destroyed
- [NTSB DEN71FQD13](https://openairdocs.org/ntsb/DEN71FQD13.md): Squires Helico · Las Cruces, NM · Accident · Serious injuries · Closed · Nov 11, 1970 · N2393 · Substantial damage
- [NTSB CHI71AC032](https://openairdocs.org/ntsb/CHI71AC032.md): Piper PA-28 · Pierceton, IN · Accident · 2 fatal · Closed · Nov 10, 1970 · N7795W · Destroyed
- [NTSB MKC71AK025](https://openairdocs.org/ntsb/MKC71AK025.md): Piper PA-32 · Shakopee, MN · Accident · 2 fatal · Closed · Nov 1, 1970 · N4150R · Destroyed
- [NTSB IAD71AI021](https://openairdocs.org/ntsb/IAD71AI021.md): Cessna 172G · Providence Frg, VA · Accident · 3 fatal · Closed · Nov 1, 1970 · N3750L · Destroyed
- [NTSB MIA71DKT15](https://openairdocs.org/ntsb/MIA71DKT15.md): Bell 47G-2 · Opa Locka, FL · Accident · Minor injuries · Closed · Oct 31, 1970 · N6761D · Substantial damage
- [NTSB SEA71AS023](https://openairdocs.org/ntsb/SEA71AS023.md): Piper PA-14 · Carlyle, MT · Accident · 2 fatal · Closed · Oct 30, 1970 · N4266H · Destroyed
- [NTSB MKC71AK023](https://openairdocs.org/ntsb/MKC71AK023.md): Mooney M20C · St Cloud, MN · Accident · 3 fatal · Closed · Oct 25, 1970 · N6206U · Destroyed
- [NTSB DEN71AD019](https://openairdocs.org/ntsb/DEN71AD019.md): Mooney M20A · Roggen, CO · Accident · 2 fatal · Closed · Oct 25, 1970 · N8316E · Destroyed
- [NTSB MKC71AK022](https://openairdocs.org/ntsb/MKC71AK022.md): Cessna 180 · Belden, ND · Accident · 1 fatal · Closed · Oct 24, 1970 · N2338C · Destroyed
- [NTSB MIA71AM036](https://openairdocs.org/ntsb/MIA71AM036.md): Piper J3C-65 · Gainesville, FL · Accident · 1 fatal · Closed · Oct 23, 1970 · N30723 · Destroyed
- [NTSB CHI71AC026](https://openairdocs.org/ntsb/CHI71AC026.md): Cessna 310D · Watertown, WI · Accident · 3 fatal · Closed · Oct 20, 1970 · N6765T · Destroyed
- [NTSB MIA71AM032](https://openairdocs.org/ntsb/MIA71AM032.md): Beech J35 · Mussella, GA · Accident · 2 fatal · Closed · Oct 19, 1970 · N749B · Destroyed
- [NTSB IAD71AI012](https://openairdocs.org/ntsb/IAD71AI012.md): Piper PA-28R · New Castle, DE · Accident · 2 fatal · Closed · Oct 16, 1970 · N7667J · Destroyed
- [NTSB DEN71AD015](https://openairdocs.org/ntsb/DEN71AD015.md): Beech B35 · Evanston, WY · Accident · 2 fatal · Closed · Oct 6, 1970 · N8817A · Destroyed
- [NTSB LAX71AL018](https://openairdocs.org/ntsb/LAX71AL018.md): Cessna 150F · Rialto, CA · Accident · 1 fatal · Closed · Oct 5, 1970 · N8661G · Destroyed
- [NTSB SEA71DWA21](https://openairdocs.org/ntsb/SEA71DWA21.md): Hughes 269B · Meacham, OR · Accident · Minor injuries · Closed · Oct 4, 1970 · N9354F · Destroyed
- [NTSB OAK71FXQ20](https://openairdocs.org/ntsb/OAK71FXQ20.md): Bell 47G3B1 · Tuscarora, NV · Accident · 1 fatal · Closed · Oct 2, 1970 · N512Y · Destroyed
- [NTSB NYC71AN041](https://openairdocs.org/ntsb/NYC71AN041.md): Piper PA-28 · No.Windham, CT · Accident · 2 fatal · Closed · Sep 26, 1970 · N9012J · Destroyed
- [NTSB LAX71DUJ28](https://openairdocs.org/ntsb/LAX71DUJ28.md): Hughes 269B · Willcox, AZ · Accident · Minor injuries · Closed · Sep 25, 1970 · N9384F · Substantial damage
- [NTSB SEA71AS017](https://openairdocs.org/ntsb/SEA71AS017.md): Cessna 210 · Spencer, ID · Accident · 2 fatal · Closed · Sep 20, 1970 · N9628T · Destroyed
- [NTSB LAX71AL013](https://openairdocs.org/ntsb/LAX71AL013.md): Beech V35 · Capistrno Bch, CA · Accident · 1 fatal · Closed · Sep 19, 1970 · N7852L · Destroyed
- [NTSB MIA71AM028](https://openairdocs.org/ntsb/MIA71AM028.md): Beech 23 · Gates, TN · Accident · 2 fatal · Closed · Sep 18, 1970 · N2331Q · Destroyed
- [NTSB FTW71AF012](https://openairdocs.org/ntsb/FTW71AF012.md): Cessna 310 · Aledo, TX · Accident · 3 fatal · Closed · Sep 16, 1970 · N3643D · Destroyed
- [NTSB FTW71AN037](https://openairdocs.org/ntsb/FTW71AN037.md): Piper PA-28 · Montgomery, NY · Accident · 1 fatal · Closed · Sep 15, 1970 · N7810W · Destroyed
- [NTSB OAK71FVW11](https://openairdocs.org/ntsb/OAK71FVW11.md): Hughes 269B · Caliente, NV · Accident · Serious injuries · Closed · Sep 9, 1970 · N9526F · Substantial damage
- [NTSB MKC71AK014](https://openairdocs.org/ntsb/MKC71AK014.md): Beech V35A · Aldrich, MO · Accident · 3 fatal · Closed · Sep 9, 1970 · N7903R · Destroyed
- [NTSB MIA71AM024](https://openairdocs.org/ntsb/MIA71AM024.md): Brittnorman BN-2A · Orocovis, PR · Accident · 1 fatal · Closed · Sep 9, 1970 · N855JA · Destroyed
- [NTSB LAX71AL011](https://openairdocs.org/ntsb/LAX71AL011.md): Piper PA-22 · Alpine, AZ · Accident · 3 fatal · Closed · Sep 6, 1970 · N1968A · Destroyed
- [NTSB CHI71AC018](https://openairdocs.org/ntsb/CHI71AC018.md): Beech J35 · Plain, WI · Accident · 4 fatal · Closed · Sep 6, 1970 · N622T · Destroyed
- [NTSB DEN71AD010](https://openairdocs.org/ntsb/DEN71AD010.md): Cessna 182N · Escalante, UT · Accident · 1 fatal · Closed · Sep 4, 1970 · N92928 · Destroyed
- [NTSB UNK70X0113](https://openairdocs.org/ntsb/UNK70X0113.md): Piper PA-22 · Mason City, IA · Accident · 3 fatal · Closed · Aug 22, 1970 · N3714P · Destroyed
- [NTSB OAK71AP010](https://openairdocs.org/ntsb/OAK71AP010.md): Maule M4-220 · San Ardo, CA · Accident · 1 fatal · Closed · Aug 22, 1970 · N2002U · Destroyed

Next page: https://openairdocs.org/ntsb-phases/650/cases.md?year=1970&page=2

## The whole list in SQL

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

```sql
WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
  crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
  current_codes AS (
    SELECT e.case_mkey, TRY_CAST(e."tier1Number" AS INTEGER) AS code,
      row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e."isDefiningEvent", false) DESC, e.position) AS n
    FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
    WHERE e.aircrafts_position = 1 AND e."tier1Number" GLOB '[1-9][0-9]*'
      AND (e."isDefiningEvent" OR e.case_mkey IN (SELECT "mKey" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE "isPre1982"))
  ),
  phases AS (
    SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
    FROM current_codes WHERE n = 1
    UNION ALL
    SELECT o.case_mkey, 'older', o."phaseOfFlightCode", w.main
    FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o."phaseOfFlightCode"
    WHERE o.aircrafts_position = 1 AND o."occurrenceNumber" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
  ),
  case_phases AS (
    SELECT p.*, c."eventDate", c."highestInjuryLevel" = 'Fatal' AS fatal, a.aircraft_model_code
    FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = p.case_mkey
    LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
    WHERE c."eventDate" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
  )
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") = 1970
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 650)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/650/cases?year=1970

---
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.