# NTSB investigations: Cessna 421C

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 3 of 3 · 133 cases

## Cases, newest first

- [NTSB DEN87FA162](https://openairdocs.org/ntsb/DEN87FA162.md): Cessna 421C · Cody, WY · Accident · 4 fatal · Field investigation · Final report · Jun 28, 1987 · N26553 · Destroyed
  > The plt & 3 paxs were returning to dallas, TX from a retreat in Montana. The plt filed an IFR flt plan from white sulphur springs, MT, to casper, WY, but did not activate it after departure. The acft was rprtd overdue by family & a search was initiated. The…
- [NTSB MIA87LA023](https://openairdocs.org/ntsb/MIA87LA023.md): Cessna 421C · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Nov 6, 1986 · N37359 · Substantial damage
  > The flt had been cleared for a visual approach behind a Lockheed L-1011 aircraft and was warned to use caution against wake turbulence. The flight encountered the wake turbulence of the L-1011 at 1600 feet. Control could not be maintained and the aircraft…
- [NTSB DEN87FA016](https://openairdocs.org/ntsb/DEN87FA016.md): Cessna 421C · Butte, MT · Accident · 1 fatal · Field investigation · Final report · Nov 6, 1986 · N421AR · Destroyed
  > Plt was attempting the vor-b instrument apch to Butte, MT arpt. Plt reported over the coppertown VORTAC inbound on the arpt. The procedure turn inbound course to the VORTAC is 124 degrees. The inbound course to the arpt is 094 degrees. The acft wreckage was…
- [NTSB ATL86FA227](https://openairdocs.org/ntsb/ATL86FA227.md): Cessna 421C · Nashville, TN · Accident · No injuries · Field investigation · Final report · Aug 25, 1986 · N5299J · Substantial damage
  > During a normal takeoff the pilot experienced a dual engine failure about 10 feet above the runway. The pilot stated that he landed on the remaining runway and attempted an 80 degree left turn onto taxiway 'c'. The aircraft failed to negotiate the turn at the…
- [NTSB LAX86FA314](https://openairdocs.org/ntsb/LAX86FA314.md): Cessna 421C · Callahan, CA · Accident · 1 fatal · Field investigation · Final report · Aug 6, 1986 · N98998 · Destroyed
  > After dropping company executives off at medford, the pilot was to return to santa rosa empty. Witnesses along the 25 NM valley which ends at the accident site reported that the aircraft buzzed their locations at AGL altitudes variously described as '10 feet'…
- [NTSB CHI86FA079](https://openairdocs.org/ntsb/CHI86FA079.md): Cessna 421C · Birmingham, MI · Accident · 2 fatal · Field investigation · Final report · Jan 29, 1986 · N68653 · Destroyed
  > At rotation the right eng failed. The acft entered a skidding turn to the rt and continued to climb to about 100 ft AGL. During the turn 110 deg from t.o. heading acft rolled inverted and descended into a car port. Extensive post impact fire destroyed acft,…
- [NTSB SEA86LA024](https://openairdocs.org/ntsb/SEA86LA024.md): Cessna 421C · Idaho Falls, ID · Accident · No injuries · Limited investigation · Final report · Nov 16, 1985 · N124RS · Substantial damage
  > During initial apch inflight icing was encountered. The windscreen failed to heat due to an inoperative inverter. A small area on the right bottom portion of the windscreen de-iced due to defrost heat. The plt elected to land using the small clear area of the…
- [NTSB MIA86FA014](https://openairdocs.org/ntsb/MIA86FA014.md): Cessna 421C · Ft.Lauderdale, FL · Accident · Minor injuries · Field investigation · Final report · Oct 18, 1985 · N657WM · Substantial damage
  > The acft crashed on the arpt during an on demand air taxi flt. The plt stated that on final apch he encountered turbulence and rain. As he broke out of the rain the glare from the sun interferred with his visual perception. A go around was attempted but the…
- [NTSB ATL85FA221](https://openairdocs.org/ntsb/ATL85FA221.md): Cessna 421C · Kennesaw, GA · Accident · 1 fatal · Field investigation · Final report · Jul 19, 1985 · N5473G · Destroyed
  > The acft lost power on # 2 eng shortly after take-off. The acft crashed and burned in a wooded area several miles sw of the arpt. The # 2 eng was severly damaged in the fire. No pre-impact malfunction could be documented. Examination of the prop did not…
- [NTSB DEN85FA125](https://openairdocs.org/ntsb/DEN85FA125.md): Cessna 421C · Las Vegas, NM · Accident · Serious injuries · Field investigation · Final report · May 5, 1985 · N8343G · Substantial damage
  > The acft was landed in a pasture about 2 miles from the arpt after the acft began to descen 'behind the power curve' after takeoff. The plt said he used full power for takeoff but the takeoff was longer than normal. The da was computed to be 9286 ft. after…
- [NTSB DEN85FA075](https://openairdocs.org/ntsb/DEN85FA075.md): Cessna 421C · Albuquerque, NM · Accident · 6 fatal · Field investigation · Final report · Feb 11, 1985 · N6866K · Destroyed
  > The plt was flying his wife & her 4 friends to aspen, co for a ski vacation. Witnesses reported that during takeoff, the rgt baggage door opened. They observed the acft turn left onto a downwind with the landing gear extended. Eight witnesses reported the…
- [NTSB FTW85LA080](https://openairdocs.org/ntsb/FTW85LA080.md): Cessna 421C · Vancourt, TX · Accident · No injuries · Limited investigation · Final report · Dec 17, 1984 · N6865D · Substantial damage
  > After a complete wx brf the plt departed into known IFR cond well below apch min at the dest arpt with inadequate fuel reserves and no field alternate. After 2 missed apchs the plts desired alternate was below minimums. En route to a second alternate airport…
- [NTSB FTW85FA019](https://openairdocs.org/ntsb/FTW85FA019.md): Cessna 421C · Addison, TX · Accident · 1 fatal · Field investigation · Final report · Oct 18, 1984 · N121BT · Destroyed
  > Aprx 7 min after takeoff (at 1441), the plt declared an emergency & said the l eng had lost power. He feathered the eng,diverted back twd the arpt & dscndd to VFR conds below the clds. At 1448, the plt said he had the arpt in sight & turnedonto a left…
- [NTSB DEN84MA247](https://openairdocs.org/ntsb/DEN84MA247.md): Cessna 421C · Fort Lupton, CO · Accident · 3 fatal · Major investigation · Final report · Aug 1, 1984 · N6231G · Destroyed
  > During a preflt wx briefing, the plt was advised of thunderstorms & intense rain showers on the route of flt. However, he filed an IFR flt plan & took off. During flt, the ATC controller advised the plt of a level 6 cell ahead & noted that he had no report on…
- [NTSB CHI84LA135](https://openairdocs.org/ntsb/CHI84LA135.md): Cessna 421C · Joliet, IL · Accident · No injuries · Limited investigation · Final report · Mar 21, 1984 · N260RA · Substantial damage
  > The acft picked up moderate to severe icing which the pilot thought he had shaken off as he cycled the deice boots. He saw the ice come off of the wings but could not see the horizontal stabilizer. On short final at 100 KTS the control yoke began vibrating.…
- [NTSB DEN84FA004](https://openairdocs.org/ntsb/DEN84FA004.md): Cessna 421C · Center, CO · Accident · No injuries · Field investigation · Final report · Oct 9, 1983 · N770JW · Substantial damage
  > The acft collided with a dirt bank after a left engine overspeed and loss of directional control during takeoff. The plthad already aborted one takeoff due to overboost and a sticking wastegate. The problem seemed corrected after work and lubrication by a…
- [NTSB FTW83LA412](https://openairdocs.org/ntsb/FTW83LA412.md): Cessna 421C · Port Lavaca, TX · Accident · No injuries · Limited investigation · Final report · Sep 2, 1983 · N87546 · Substantial damage
  > The acft collided with a fence and bushes during takeoff. The rwy was shell and turf construction 2300 ft long. The plt figured the takeoff distance from a chart using dry hard surfaced level rwy. The acceleration seemed slow according to a witness and the…
- [NTSB CHI83FA383](https://openairdocs.org/ntsb/CHI83FA383.md): Cessna 421C · Centerto, IN · Accident · Serious injuries · Field investigation · Final report · Aug 16, 1983 · N386G · Destroyed
  > The plt reported that during a climb after takeoff, he engaged the autopilot. While making an entry on a trip sheet, he felt a bump & noted that the acft had started to descend. He disengaged the autopilot & the nose pitched down violently. Reducing power had…
- [NTSB DEN83LA081](https://openairdocs.org/ntsb/DEN83LA081.md): Cessna 421C · Gunnison, CO · Accident · No injuries · Limited investigation · Final report · Mar 18, 1983 · N67943 · Substantial damage
  > The plt began taking off on rwy 06 with a wind from 190 deg at 8 KTS. He stated that max power & RPM were obtained. He noted that he obtained 39 inches of manifold pressure & 2235 RPM at 100 KTS IAS. Reportedly, the acft rotated properly, but began to vibrate…
- [NTSB FTW83LA095](https://openairdocs.org/ntsb/FTW83LA095.md): Cessna 421C · Houston, TX · Accident · No injuries · Limited investigation · Final report · Jan 7, 1983 · N448 · Substantial damage
  > The pilot stated that after a normal coupled ILS approach he broke out at about 250 ft AGL and 1/2 mile from the rwy. He disconnected the approach coupler and lined up with the rwy. He stated that during the transition from IFR to visual his rate of descent…
- [NTSB ATL82FKG12](https://openairdocs.org/ntsb/ATL82FKG12.md): Cessna 421C · Atlanta, GA · Accident · Serious injuries · Final report · Apr 25, 1982 · N6823C · Destroyed
  > During arrival, the pilot was cleared for an ILS approach to runway 20L. The pilot stated that the approach was normal in moderate to heavy rain and he broke out at about 800 ft AGL. He crossed the end of the runway with full flaps, was high, and touched down…
- [NTSB SEA82FA005](https://openairdocs.org/ntsb/SEA82FA005.md): Cessna 421C · Shoshone, ID · Accident · 3 fatal · Closed · Nov 21, 1981 · N8369G · Destroyed
- [NTSB LAX81FVG67](https://openairdocs.org/ntsb/LAX81FVG67.md): Cessna 182Q · Placerville, CA · Accident · No injuries · Closed · Sep 27, 1981 · N96837 · 2 aircraft · Substantial damage
- [NTSB FTW81FRG66](https://openairdocs.org/ntsb/FTW81FRG66.md): Cessna 421C · Hebbronville, TX · Accident · No injuries · Closed · Sep 24, 1981 · N5406J · Substantial damage
- [NTSB FTW81DRG65](https://openairdocs.org/ntsb/FTW81DRG65.md): Cessna 421B · Crystal City, TX · Accident · No injuries · Closed · Sep 6, 1981 · N448 · Substantial damage
- [NTSB CHI81FA094](https://openairdocs.org/ntsb/CHI81FA094.md): Cessna 421C · Rutland, OH · Accident · 1 fatal · Closed · Aug 30, 1981 · N6867R · Destroyed
- [NTSB DEN80FTE71](https://openairdocs.org/ntsb/DEN80FTE71.md): Cessna 340 · Steamboat Spgs, CO · Accident · No injuries · Closed · Aug 15, 1980 · N764R · Substantial damage
- [NTSB LAX80FA049](https://openairdocs.org/ntsb/LAX80FA049.md): Riley 421C · Escondido, CA · Accident · 1 fatal · Closed · Feb 11, 1980 · N15SE · Destroyed
- [NTSB MIA79FLD59](https://openairdocs.org/ntsb/MIA79FLD59.md): Cessna 421C · Kenansville, FL · Accident · No injuries · Closed · Apr 23, 1979 · N8432N · Destroyed
- [NTSB DEN79FA016](https://openairdocs.org/ntsb/DEN79FA016.md): Cessna 421C · Spanish Forks, UT · Accident · 5 fatal · Closed · Jan 9, 1979 · N5469G · Substantial damage
- [NTSB CHI77DEP25](https://openairdocs.org/ntsb/CHI77DEP25.md): Cessna 172 · Janesville, WI · Accident · No injuries · Closed · Mar 29, 1977 · N2JA · Substantial damage
- [NTSB SEA77DYP16](https://openairdocs.org/ntsb/SEA77DYP16.md): Cessna 421A · Sandpoint, ID · Accident · No injuries · Closed · Jan 12, 1977 · N421MF · Substantial damage
- [NTSB DEN74FTE34](https://openairdocs.org/ntsb/DEN74FTE34.md): Cessna 421B · Aspen, CO · Accident · Minor injuries · Closed · Dec 29, 1973 · N421AT · Substantial damage

## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076016', '2076017'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076016&page=3

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