# NTSB CHI78DEV35: Hughes 269C, N7473F, Maroa, IL, May 26, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 26, 1978
- Place: Maroa, IL · MAROA, IL
- Location: 40.0365° N, 88.9562° W: Placed by OpenAirDocs: center of Maroa, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0365&lon=-88.9562&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 25, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 141908
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78DEV35
- Page: https://openairdocs.org/ntsb/CHI78DEV35

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1409  78/5/26  NR.MAROA,IL           HUGHES 269C         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 34, 1190
        TIME - 1830                    N7473F              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 1066 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         MAROA,IL                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-ON LANDING
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  234                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -LEVEL,FLAT
          SWATH RUN-HOW FLOWN - CROSSWIND
```

## Aircraft

- Registration: [N7473F](https://openairdocs.org/deregistered/N7473F-1989-11-17), registration cancelled 1989-11-17, S/N 270571 (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (registry code 4470504) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- 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 19780526015689A](https://openairdocs.org/incident/19780526015689A), May 26, 1978: Hughes 269A, Maroa, IL, Substantial damage

## Other investigations on N7473F (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI80FER59](https://openairdocs.org/ntsb/CHI80FER59), Sep 7, 1980: Hughes 269C (N7473F), Rockford, MN, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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