# NTSB MKC77DCQ37: Hiller FH1100, N5073F, Oakley, KS, May 11, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 11, 1977
- Place: Oakley, KS · OAKLEY, KS
- Location: 39.1235° N, 100.8452° W: Placed by OpenAirDocs: center of Oakley, KS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1235&lon=-100.8452&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 14, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 158213
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77DCQ37
- Page: https://openairdocs.org/ntsb/MKC77DCQ37

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1138  77/5/11    OAKLEY,KS           HILLER FH1100       CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1810                    N5073F              PX-  0  0  0  AERIAL APPLICATION        AGE 32, 3413 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            157 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OAKLEY,KS                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      75
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  465                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SLING LOADED                      TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  3040                SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- PILOT ENCOUNTERED UNEXPECTED INCREASE IN SURFACEWIND DURING DOWNWIND TURN
```

## Aircraft

- Registration: N5073F (not matched to a registry record)
- Reported make and model: HILLER FH1100
- Category: Helicopter
- Engines: turbo shaft
- 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 19770511010559A](https://openairdocs.org/incident/19770511010559A), May 11, 1977: Frchld FH1100, Oakley, KS, Substantial damage. Pilot encountered unexpected increase in surfacewind during downwind turn

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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