# NTSB MKC76FCD40: Brantley B-2B, N5987X, Marshalltown, IA, April 27, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 27, 1976
- Place: Marshalltown, IA · MARSHALLTOWN, IA
- Location: 42.0343° N, 92.9063° W: Placed by OpenAirDocs: center of Marshalltown, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0343&lon=-92.9063&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report June 1, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153547
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC76FCD40
- Page: https://openairdocs.org/ntsb/MKC76FCD40

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0799  76/4/27    MARSHALLTOWN,IA     BRANTLEY B-2B       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 25, 250
        TIME - 1730                    N5987X              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 32 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MARSHALLTOWN,IA             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
           MISCELLANEOUS ACTS,CONDITIONS - INTERFERENCE WITH FLIGHT CONTROLS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PAX ACCIDENTALLY TURNED IGN OFF WITH FOOT,ALSO RESTRICTED CYCLIC CTL WITH LEG DRG EMERG LDG.
```

## Aircraft

- Registration: [N5987X](https://openairdocs.org/deregistered/N5987X-1977-12-05), registration cancelled 1977-12-05, S/N 125 (OpenAirDocs)
- Reported make and model: BRANTLEY B-2B
- Registry model: [Brantly B-2](https://openairdocs.org/model/brantly-b-2) (registry code 1440502) (OpenAirDocs)
- Category: Helicopter
- 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 19760427008239A](https://openairdocs.org/incident/19760427008239A), Apr 27, 1976: Hynes B2, Marshalltown, IA, Substantial damage. Pax accidentally turned ign off with foot,also restricted cyclic ctl with leg drg emerg ldg.

## Other investigations on N5987X (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 SEA70F0018](https://openairdocs.org/ntsb/SEA70F0018), Jul 14, 1969: Brantly B-2 (N5987X), Helena, MT, 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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