# NTSB LAX80FVM03: Aero Comdr 500, N4111P, San Francisco, CA, October 17, 1979

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: October 17, 1979
- Place: San Francisco, CA · SAN FRANCISCO, CA
- Location: 37.7750° N, 122.4194° W: Placed by OpenAirDocs: center of San Francisco, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7750&lon=-122.4194&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 26, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 134787
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80FVM03
- Page: https://openairdocs.org/ntsb/LAX80FVM03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0058  79/10/17   SAN FRANCISCO,CA    AERO COMDR 500      CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1710                    N4111P              PX-  0  0  0  COMMUTER AIR CARRIER      36, 2566 TOTAL HOURS, 11
                                       DAMAGE-MINOR        OT-  0  0  0  AIR TAXI-CARGO S-D        IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - SAN FRANCISCO INT
        DEPARTURE POINT             INTENDED DESTINATION
          MONTEREY,CA                 SAN FRANCISCO,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: ON GROUND                              TAXI: FROM LANDING
           COLLIDED WITH: BUILDING(S)                               TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           AIRFRAME - LANDING GEAR: NOSEWHEEL STEERING
           SYSTEMS - HYDRAULIC SYSTEM: SEALS
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           MISCELLANEOUS ACTS,CONDITIONS - HYDRAULIC FAILURE
        REMARKS- BOTH HYDR PUMP SEAL DRAINS LEAKING 7 DAYS AFTER BOTH REPAIRED.LOST BRAKES & STEERING HIT HANGAR.
```

## Aircraft

- Registration: [N4111P](https://openairdocs.org/deregistered/N4111P-2014-10-06), registration cancelled 2014-10-06, S/N 638-4, built 1958 (OpenAirDocs)
- Reported make and model: AERO COMDR 500
- Registry model: [Aero Commander 500](https://openairdocs.org/model/aero-commander-500) (registry code 0141102) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage
- Airport: San Francisco Int

## 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 19791017031259A](https://openairdocs.org/incident/19791017031259A), Oct 17, 1979: Gulstm 500A, San Francisco, CA, Substantial damage. Lost steering & brakes while taxiing to ramp. Hit hangar. Found leaky hydraulic system.

## Other investigations on N4111P (1)

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 MIA88LA043](https://openairdocs.org/ntsb/MIA88LA043), Nov 20, 1987: North American 500 (N4111P), San Juan, PR, substantial damage

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.

---
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.