# NTSB LAX74FUM27: Cessna 210T, N4691Q, San Diego, CA, April 12, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 12, 1974
- Place: San Diego, CA · SAN DIEGO, CA
- Location: 32.7153° N, 117.1573° W: Placed by OpenAirDocs: center of San Diego, CA, within about 10 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.7153&lon=-117.1573&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report September 9, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 125931
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX74FUM27
- Page: https://openairdocs.org/ntsb/LAX74FUM27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2134  74/4/12    SAN DIEGO,CALIF     CESSNA 210T         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 53, 597
        TIME - 1934                    N4691Q              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 207 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - LINDBERGH INTL
        DEPARTURE POINT             INTENDED DESTINATION
          MAMMOTH LAKES,CALIF         SAN DIEGO,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           MISCELLANEOUS ACTS,CONDITIONS - ELECTRICAL FAILURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - LANDED ON FOAMED RUNWAY
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- LDG SYS WIRING QUICK-DISCONNECT LUG IMPROPERLY.INSTALLED.EMERG GR SYS INOP.
```

## Aircraft

- Registration: [N4691Q](https://openairdocs.org/deregistered/N4691Q-2011-01-27), registration cancelled 2011-01-27, S/N 21059591, built 1972 (OpenAirDocs)
- Reported make and model: CESSNA 210T
- Registry model: [Cessna T210L](https://openairdocs.org/model/cessna-t210l) (registry code 2073449) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lindbergh Intl

## 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 19740412013399A](https://openairdocs.org/incident/19740412013399A), Apr 12, 1974: Cessna 210H, San Diego, CA, Substantial damage. Ldg sys wiring quick-disconnect lug improperly. Installed.emerg gr sys inop.

## Other investigations on N4691Q (2)

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.

- [NTSB LAX85LA108](https://openairdocs.org/ntsb/LAX85LA108), Jan 12, 1985: Cessna T210L (N4691Q), San Jose, CA, substantial damage
- [NTSB CHI72FEE85](https://openairdocs.org/ntsb/CHI72FEE85), Jun 30, 1972: Cessna T210L (N4691Q), Moline, IL, substantial damage, 1 fatal

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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