# NTSB FTW78FPJ05: Cessna A188B, N4833R, Thomas, OK, November 3, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: November 3, 1977
- Place: Thomas, OK · THOMAS, OK
- Location: 35.7448° N, 98.7397° W: Placed by OpenAirDocs: center of Thomas, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.7448&lon=-98.7397&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report January 17, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 144681
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW78FPJ05
- Page: https://openairdocs.org/ntsb/FTW78FPJ05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3763   77/11/3 NR.THOMAS,OK          CESSNA A188B        CR-  1  0  0  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1415                    N4833R              PX-  0  0  0  EXPERIMENTATION           AGE UNK/NR, 8735 TOTAL
                                       DAMAGE-DESTROYED    OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         THOMAS,OK                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
           AIRFRAME - FLIGHT CONTROL SURFACES: AILERON SURFACES,ATTACHMENTS
           MISCELLANEOUS ACTS,CONDITIONS - FLUTTER
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- WINGS,AELERONS,FLAPS MODIFIED BY OPERATOR.AILERONS HAD NO COUNTERWEIGHTS,NOT BALANCED.
```

## Aircraft

- Registration: [N4833R](https://openairdocs.org/deregistered/N4833R-1978-02-03), registration cancelled 1978-02-03, S/N 18802352T (OpenAirDocs)
- Reported make and model: CESSNA A188B
- Registry model: [Cessna A188B](https://openairdocs.org/model/cessna-a188b) (registry code 2073005) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19771103037869A](https://openairdocs.org/incident/19771103037869A), Nov 3, 1977: Cessna A188B, Thomas, OK, Destroyed. Wings,aelerons,flaps modified by operator. Ailerons had no counterweights,not balanced.

## Other investigations on N4833R (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 MKC76DCA43](https://openairdocs.org/ntsb/MKC76DCA43), Aug 21, 1976: Cessna A188B (N4833R), Portageville, MO, destroyed

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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