# NTSB DEN79IA045: Boeing 727, N422BN, Denver, CO, June 21, 1979

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: June 21, 1979
- 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: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Completed, report September 24, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135560
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN79IA045
- Page: https://openairdocs.org/ntsb/DEN79IA045

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0011  79/6/21    DENVER,CO           BOEING 727          CR-  0  0  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1210                    N422BN              PX-  0  0  0                            UNK/NR, 5500 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - STAPLETON
        OPERATOR - BRANIFF AIRWAYS,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          DENVER,CO                  UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: AIRPORT HAZARD                            TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        REMARKS- WINGTIP STRUCK BACKHOE PARKED NEAR TAXIWAY.NUMBER OF PAX NOT REPORTED.
```

## Aircraft

- Registration: [N422BN](https://openairdocs.org/aircraft/N422BN), registered now, S/N 20735, built 1973 (OpenAirDocs)
- Reported make and model: BOEING 727
- Registry model: [Boeing 727-227](https://openairdocs.org/model/boeing-727-227) (registry code 1384078) (OpenAirDocs)
- Category: Airplane
- Engines: turbo jet
- Damage: Minor damage
- Airport: Stapleton

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19790621016999I](https://openairdocs.org/incident/19790621016999I), Jun 21, 1979: Boeing 727, Denver, CO, Minor damage. Taxiway under construction, not notamed. Captain watching nearby trucks struck a backhoe with left slat.

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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