# NTSB CHI75DEC33: Cessna 421, N99NE, Detroit, MI, November 17, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 17, 1974
- Place: Detroit, MI · DETROIT, MI
- Location: 42.3314° N, 83.0458° W: Placed by OpenAirDocs: center of Detroit, MI, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3314&lon=-83.0458&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 31, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 144449
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75DEC33
- Page: https://openairdocs.org/ntsb/CHI75DEC33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3983  74/11/17   DETROIT,MICH        CESSNA 421          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 1185
        TIME - 2100                    N99NE               PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 350 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - DETROIT CITY
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          STERLING,ILL                SCHENECTADY,NY              UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - LUBRICATING SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - PRESSURE TOO LOW
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- CONSIDERABLE OIL FOUND IN R ENG COMPARTMENT.30HR SINCE OH.
```

## Aircraft

- Registration: N99NE (not matched to a registry record)
- Reported make and model: CESSNA 421
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Detroit City

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19741117042169A](https://openairdocs.org/incident/19741117042169A), Nov 17, 1974: Cessna 421A, Detroit, MI, Substantial damage. Considerable oil found in r eng compartment.30HR since oh.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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