# NTSB MKC74IK067: Beech 99, N7994R, Fort Dodge, IA, May 18, 1974

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: May 18, 1974
- Place: Fort Dodge, IA · FORT DODGE, IA
- Location: 42.5099° N, 94.1757° W: Placed by OpenAirDocs: center of Fort Dodge, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5099&lon=-94.1757&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 12, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 173438
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC74IK067
- Page: https://openairdocs.org/ntsb/MKC74IK067

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0012  74/5/18  NR.FORT DODGE,IOWA    BEECH 99            CR-  0  0  2  COMMERCIAL                COMMERCIAL, AGE 28, 6605
        TIME - 0253                    N7994R              PX-  0  0  0  COMMUTER AIR CARRIER      TOTAL HOURS, 576 IN TYPE,
                                       DAMAGE-MINOR        OT-  0  0  0  AIR TAXI-CARGO S-D        INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - WORTHINGTON MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          FORT DODGE,IOWA             SPENCER,IOWA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           SYSTEMS - ELECTRICAL SYSTEM: OTHER
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           MISCELLANEOUS - SMOKE IN COCKPIT
        FACTOR(S)
           AIRFRAME - FUSELAGE: WINDSHIELDS,WINDOWS,CANOPIES
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           WEATHER - RAIN
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SMOKE IN COCKPIT
                                  SUSPECTED MECHANICAL DISCREPANCY
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  4000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          ZERO                                                     RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          UNKNOWN/NOT REPORTED                                     IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- MAIL FLT.LGT CIRCUIT FOR ELECTRIC TRIM UNIT P/N115-524032 CHARRED IN BOTTOM AREA.FLT IN HVY RAIN.
```

## Aircraft

- Registration: [N7994R](https://openairdocs.org/deregistered/N7994R-2024-02-22), registration cancelled 2024-02-22, S/N U-103, built 1969 (OpenAirDocs)
- Reported make and model: BEECH 99
- Registry model: [Beech 99](https://openairdocs.org/model/beech-99) (registry code 1154002) (OpenAirDocs)
- Registry engine: [U/A Canada PT6A-20](https://openairdocs.org/engine/u-a-canada-pt6a-20) (registry code 61568, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Minor damage
- Airport: Worthington Muni

## Other investigations on N7994R (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 ATL84LA120](https://openairdocs.org/ntsb/ATL84LA120), Mar 14, 1984: Beech 99 (N7994R), Myrtle Beach, SC, substantial damage

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.