# NTSB DEN80IA055: Dehavilland DHC-7, N47RM, Denver, CO, August 18, 1980

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: August 18, 1980
- Place: Denver, CO · DENVER, CO
- Location: 39.7392° N, 104.9847° W: Placed by OpenAirDocs: center of Denver, CO, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7392&lon=-104.9847&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 29, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 129360
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN80IA055
- Page: https://openairdocs.org/ntsb/DEN80IA055

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0011  80/8/18    DENVER,CO           DEHAVILLAND DHC-7   CR-  0  0  2  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1049                    N47RM               PX-  0  0  0                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - STAPLETON INTL
        OPERATOR - *ERROR-INVALID CODE*
        DEPARTURE POINT             INTENDED DESTINATION
          ASPEN,CO                    DENVER,CO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
           SYSTEMS - FLIGHT CONTROL SYSTEMS: WING SPOILER SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- R SPOILER BELLCRANK MOUNTING BRACKET FAILED.UNDERSIZE RADIUS ON FORGING.NUMBER SOB UNKN.
```

## Aircraft

- Registration: [N47RM](https://openairdocs.org/deregistered/N47RM-1998-05-22), registration cancelled 1998-05-22, S/N 17 (OpenAirDocs)
- Reported make and model: DEHAVILLAND DHC-7
- Registry model: [Dehavilland DHC-7-102](https://openairdocs.org/model/dehavilland-dhc-7-102) (registry code 2802708) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Minor damage
- Airport: Stapleton Intl

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.

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