# NTSB CHI80FEV31: Grumman 164B, N48445, Maroa, IL, August 4, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 4, 1980
- 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: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 26, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 129750
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI80FEV31
- Page: https://openairdocs.org/ntsb/CHI80FEV31

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1043   80/8/4    MAROA,IL            GRUMMAN 164B        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 45, 18065
        TIME - 1245                    N48445              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 6500 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MCLEAN,IL                   MAROA,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           WEATHER - OTHER
        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                  TEMPERATURE-F
          NONE                                                      93
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          220                                                       13
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 4000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  650                 SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- PLT RPRTD WND GUST OR THERMAL LFTD ACFT DRG SWATH RUN UNDER PWR LN W 30FT CLNC.
```

## Aircraft

- Registration: [N48445](https://openairdocs.org/aircraft/N48445), registered now, S/N 21B, built 1976 (OpenAirDocs)
- Reported make and model: GRUMMAN 164B
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164B](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (registry code 3952802) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (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 19800804032069A](https://openairdocs.org/incident/19800804032069A), Aug 4, 1980: Gulstm G164B, Maroa, IL, Destroyed. Tried to fly under wires at end of spray run. Thermal raised airplane into wires.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.