# NTSB MKC75FCJ53: Brantly B305, N11MR, Omaha, NE, May 16, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 16, 1975
- Place: Omaha, NE · OMAHA, NE
- Location: 41.2586° N, 95.9378° W: Placed by OpenAirDocs: center of Omaha, NE, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.2586&lon=-95.9378&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report July 2, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149006
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC75FCJ53
- Page: https://openairdocs.org/ntsb/MKC75FCJ53

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1197  75/5/16    OMAHA,NE            BRANTLY B305        CR-  0  0  2  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1710                    N11MR               PX-  0  0  2  DUAL                      45, 4499 TOTAL HOURS, 23
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - FLIGHTLAND
        DEPARTURE POINT             INTENDED DESTINATION
          OMAHA,NE                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    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                                                     RIGHT QUARTERING HEAD WIND 023-067 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           75                                                      170
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
```

## Aircraft

- Registration: [N11MR](https://openairdocs.org/deregistered/N11MR-2013-04-09), registration cancelled 2013-04-09, S/N 1026, built 1966 (OpenAirDocs)
- Reported make and model: BRANTLY B305
- Registry model: [Brantly 305](https://openairdocs.org/model/brantly-305) (registry code 1440602) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed
- Airport: Flightland

## 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 19750516011949A](https://openairdocs.org/incident/19750516011949A), May 16, 1975: Hynes 305BRNTLY, Omaha, NE, 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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