# NTSB MIA77FA053: Douglas DC-3, N28392, San Juan, PR, April 14, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 14, 1977
- 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: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 10, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 152500
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA77FA053
- Page: https://openairdocs.org/ntsb/MIA77FA053

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3457  77/4/14    SAN JUAN,PR         DOUGLAS DC-3        CR-  0  0  2  NONCOMMERCIAL             COMMERCIAL, AGE 37, 10000
        TIME - 0936                    N28392              PX-  0  0  0  COMPANY FLIGHT            TOTAL HOURS, 5000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - SAN JUAN INTL
        DEPARTURE POINT             INTENDED DESTINATION
          SAN JUAN,PR                 MARTINIQUE,VI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - LOW COMPRESSION
           POWERPLANT - IGNITION SYSTEM: IGNITION HARNESS,SHIELDING
           MISCELLANEOUS ACTS,CONDITIONS - CHAFED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           SYSTEMS - HYDRAULIC SYSTEM: RESERVOIR,LINES,FITTINGS
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL GROUND-WATER-LOOP-SWERVE
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           WEATHER - UNFAVORABLE WIND CONDITIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT CROSS WIND 248-292 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           80                                                      170
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           7                                                       VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- T/D ON 1ST THIRD OF 7000FT RWY. ATTEMPTED GROUND LOOP IN LAST 500FT.
```

## Aircraft

- Registration: [N28392](https://openairdocs.org/deregistered/N28392-1977-11-18), registration cancelled 1977-11-18, S/N 2269, built 1940 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-3
- Registry model: [Douglas DC3](https://openairdocs.org/model/douglas-dc3) (registry code 3021401) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: San Juan 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 19770414041679A](https://openairdocs.org/incident/19770414041679A), Apr 14, 1977: Doug DC3, San Juan, Puerto Rico, Substantial damage. T/d on 1st third of 7000FT rwy. Attempted ground loop in last 500FT.

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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