# NTSB MIA78FLD01: Mong Sport, N65U, De Leon Spring, FL, October 1, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 1, 1977
- Place: De Leon Spring, FL · DE LEON SPRING, FL
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 27, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144823
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA78FLD01
- Page: https://openairdocs.org/ntsb/MIA78FLD01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3331   77/10/1   DE LEON SPRING,FL   MONG SPORT          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1700                    N65U                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 21, 546 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DE LAND,FL                  TALLAHASSEE,FL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - FUEL SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FUEL CONTAMINATION-EXCLUSIVE OF WATER IN FUEL
           TERRAIN - WET,SOFT GROUND
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- AC LANDED IN MARSH.FOREIGN MATTER (FIBERGLASS)IN FUEL TANK AND LINES.
```

## Aircraft

- Registration: [N65U](https://openairdocs.org/deregistered/N65U-1981-12-24), registration cancelled 1981-12-24, S/N 0S-1 (OpenAirDocs)
- Reported make and model: MONG SPORT
- Registry model: [Mong Sport OUTLAW SPECIAL](https://openairdocs.org/model/mong-sport-outlaw-special) (registry code 57901Q1) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19771001032599A](https://openairdocs.org/incident/19771001032599A), Oct 1, 1977: Amtr 57901Q1, De Leon Spring, FL, Substantial damage. Ac landed in marsh. Foreign matter (fiberglass)in fuel tank and lines.

## Other investigations on N65U (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 UNK64X1333](https://openairdocs.org/ntsb/UNK64X1333), Apr 15, 1964: Mong Sport Exper (N65U), Port Richey, FL, 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.

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