# NTSB DEN70FXD08: Aero Comdr 520, N2634B, Broomfield, CO, January 30, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 30, 1970
- Place: Broomfield, CO · BROOMFIELD, CO
- Location: 39.9205° N, 105.0867° W: Placed by OpenAirDocs: center of Broomfield, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9205&lon=-105.0867&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 24, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 143597
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN70FXD08
- Page: https://openairdocs.org/ntsb/DEN70FXD08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0529  70/1/30    BROOMFIELD,COLO     AERO COMDR 520      CR-  0  0  2  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1100                    N2634B              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 54, 25000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 13 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - JEFFERSON COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          BROOMFIELD,COLO             COLORADO SPS,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - MISUSED OR FAILED TO USE FLAPS
        REMARKS- FLT MANUAL,CHECKLIST STATES 1/4 FLAPS FOR T/O.NO FLAPS WERE USED BY PLT.
```

## Aircraft

- Registration: [N2634B](https://openairdocs.org/deregistered/N2634B-1974-07-31), registration cancelled 1974-07-31, S/N 520-146 (OpenAirDocs)
- Reported make and model: AERO COMDR 520
- Registry model: [Aero Commander 520](https://openairdocs.org/model/aero-commander-520) (registry code 0141202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Jefferson County

## Other investigations on N2634B (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 CHI74AC016](https://openairdocs.org/ntsb/CHI74AC016), Aug 25, 1973: Aero Comdr 520 (N2634B), Michigan City, IN, destroyed

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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