# NTSB MIA78DLD10: Schleicher ASW-17, N4AX, Mulberry, FL, November 13, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 13, 1977
- Place: Mulberry, FL · MULBERRY, FL
- Location: 27.9054° N, 81.9883° W: Placed by OpenAirDocs: center of Mulberry, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=27.9054&lon=-81.9883&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 15, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144692
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA78DLD10
- Page: https://openairdocs.org/ntsb/MIA78DLD10

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3648  77/11/13   MULBERRY,FL         GLASFLUGEL 201B     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 50, 368
        TIME - 1600                    N826                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 58 IN TYPE,
                                       DAMAGE-MINOR        OT-  0  0  1                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MULBERRY,FL                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   EVASIVE ACTION TAKEN - YES
          ANTI-COLLISION LIGHTS - NOT INSTALLED
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3648  77/11/13   MULBERRY,FL         SCHLEICHER ASW-17   CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 41, 1298
        TIME - 1630                    N4AX                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 728 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  1                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MULBERRY,FL                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   EVASIVE ACTION TAKEN - YES
          ANTI-COLLISION LIGHTS - NOT INSTALLED
```

## Aircraft 1

- Registration: [N4AX](https://openairdocs.org/deregistered/N4AX-1981-12-18), registration cancelled 1981-12-18, S/N 17019, built 1973 (OpenAirDocs)
- Reported make and model: SCHLEICHER ASW-17
- Registry model: [Schleicher ASW-17](https://openairdocs.org/model/schleicher-asw-17) (registry code 3801507) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Glider Port

## Aircraft 2

- Registration: [N826](https://openairdocs.org/deregistered/N826-2024-12-07), registration cancelled 2024-12-07, S/N 438, built 1973 (OpenAirDocs)
- Reported make and model: GLASFLUGEL 201B
- Registry model: [Glasflugel STD LIBELLE 201B](https://openairdocs.org/model/glasflugel-std-libelle-201b) (registry code 3800344) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Minor damage
- Airport: Glider Port

## FAA reports on this event (2)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19771113035582A](https://openairdocs.org/incident/19771113035582A), Nov 13, 1977: Schler ASW17, Mulberry, FL, Substantial damage
- [Accident 19771113035581A](https://openairdocs.org/incident/19771113035581A), Nov 13, 1977: Glasfl LIBELLE201B, Mulberry, FL, Minor damage

## Other investigations on N4AX (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 MIA79FLD55](https://openairdocs.org/ntsb/MIA79FLD55), Apr 6, 1979: Schleicher ASW-17 (N4AX), Oviedo, FL, destroyed, 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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