# NTSB MKC74DTK17: Piper PA-25, N16502, Mobridge, SD, June 4, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 4, 1974
- Place: Mobridge, SD · MOBRIDGE, SD
- Location: 45.5410° N, 100.4349° W: Placed by OpenAirDocs: center of Mobridge, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5410&lon=-100.4349&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 9, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 126362
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC74DTK17
- Page: https://openairdocs.org/ntsb/MKC74DTK17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1510   74/6/4  NR.MOBRIDGE,S DAK     PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 1600
        TIME - 0800                    N16502              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 400 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         MOBRIDGE,S DAK               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: EN ROUTE TO TREAT CROP
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE AND CLEARANCE
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           MISCELLANEOUS ACTS,CONDITIONS - LOAD NOT JETTISONED
        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                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  400                       KIND OF OPERATION - OTHER
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- ENCTRD SINKING OR DOWNDRAFT COND.WEED CONTROL.
```

## Aircraft

- Registration: [N16502](https://openairdocs.org/deregistered/N16502-1991-10-16), registration cancelled 1991-10-16, S/N 347350153 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-34-200](https://openairdocs.org/model/piper-pa-34-200) (registry code 7103405) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N16502 (1)

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.

- [NTSB NYC89LA044](https://openairdocs.org/ntsb/NYC89LA044), Dec 7, 1988: Piper PA-34-200 (N16502), Laconia, NH, substantial damage. Probable cause: AIRCRAFT STRIKING THE ROAD SIGN AFTER THE AIRCRAFT EXPERIENCED A DOUBLE POWER LOSS DUE TO MISMANAGEMENT OF THE FUEL SYSTEM BY THE PILOT.

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.
