# NTSB SEA78FTI25: Cessna A188B, N9289R, Chester, MT, July 25, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 25, 1978
- Place: Chester, MT · CHESTER, MT
- Location: 48.5113° N, 110.9661° W: Placed by OpenAirDocs: center of Chester, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.5113&lon=-110.9661&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 15, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 141243
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78FTI25
- Page: https://openairdocs.org/ntsb/SEA78FTI25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1493  78/7/25  NR.CHESTER,MT         CESSNA A188B        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 53, 3169
        TIME - 1910                    N9289R              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 725 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         CHESTER,MT                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           SYSTEMS - FLIGHT CONTROL SYSTEMS: AILERON AND AILERON TAB CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  LATERAL CONTROL PROBLEM
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- AN47A BOLT MISSING FROM R AILERON BELLCRANK ROD ASSY. LAST MAINT 201 HRS PRIOR.
```

## Aircraft

- Registration: [N9289R](https://openairdocs.org/deregistered/N9289R-1980-05-09), registration cancelled 1980-05-09, S/N 18802215T (OpenAirDocs)
- Reported make and model: CESSNA A188B
- Registry model: [Cessna 188B](https://openairdocs.org/model/cessna-188b) (registry code 2073007) (OpenAirDocs)
- Category: Airplane
- 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 19780725017349A](https://openairdocs.org/incident/19780725017349A), Jul 25, 1978: Cessna A188B, Chester, MT, Substantial damage. AN47A bolt missing from r aileron bellcrank rod assy. Last maint hrs prior.

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.