# NTSB MIA67D0318: Dehavilland 114, N3999A, San Juan, PR, November 23, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 23, 1966
- Place: San Juan, PR · SAN JUAN, PR
- Location: 18.4663° N, 66.1057° W: Placed by OpenAirDocs: center of San Juan, PR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=18.4663&lon=-66.1057&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 29, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 119462
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA67D0318
- Page: https://openairdocs.org/ntsb/MIA67D0318

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4420  66/11/23   SAN JUAN PR         DEHAVILLAND 114     CR-  0  0  3  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1730                    N3999A              PX-  0  0  0  COMMUTER AIR CARRIER      AGE 20, 1985 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-CARGO S-I        100 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - SAN JUAN INTL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAXI: TO TAKEOFF
           COLLIDED WITH: DITCHES                                   TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - FAILED TO USE OR INCORRECTLY USED MISC.EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        FACTOR(S)
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- DUE AIR LEAK IN BRAKES,PLT RETURNED TO RAMP.PILOT DID NOT USE EMERG BRAKE SYSTEM.
```

## Aircraft

- Registration: N3999A (not matched to a registry record)
- Reported make and model: DEHAVILLAND 114
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: San Juan Intl

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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