# NTSB CHI77DEV41: Continental 5A, N9081T, Warrensburg, IL, August 10, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 10, 1977
- Place: Warrensburg, IL · WARRENSBURG, IL
- Location: 39.9320° N, 89.0628° W: Placed by OpenAirDocs: center of Warrensburg, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9320&lon=-89.0628&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 7, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145892
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI77DEV41
- Page: https://openairdocs.org/ntsb/CHI77DEV41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2873  77/8/10    WARRENSBURG,IL      CONTINENTAL 5A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 37, 3900
        TIME - 1700                    N9081T              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 130 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WARRENSBURG,IL              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: CROP                                      IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - BEANS                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - INSTALLED                                    TANK/HOPPER-LOCATION - SIDES
          TERRAIN-TYPE -ROLLING                                    ELEVATION-AREA BEING TREATED-FEET -  680
          SWATH RUN-HOW FLOWN - UPWIND                             PROCEDURE TURNAROUND - SECOND 1/3 TURN
```

## Aircraft

- Registration: [N9081T](https://openairdocs.org/deregistered/N9081T-2013-07-16), registration cancelled 2013-07-16, S/N CCI-77-1, built 1977 (OpenAirDocs)
- Reported make and model: CONTINENTAL 5A
- Registry model: [Continental Copters TOMCAT MK5A](https://openairdocs.org/model/continental-copters-tomcat-mk5a) (registry code 2390101) (OpenAirDocs)
- Registry engine: [Lycoming TVO-435-GIA](https://openairdocs.org/engine/lycoming-tvo-435-gia) (registry code 41526, turbo-prop) (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 19770810023549A](https://openairdocs.org/incident/19770810023549A), Aug 10, 1977: Bell 47G2, Warrensburg, IL, Substantial damage

## Other investigations on N9081T (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 DEN85LA144](https://openairdocs.org/ntsb/DEN85LA144), May 29, 1985: Continental Copters Tomcat Mark 5A/OH13H (N9081T), Freeman, SD, 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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