# NTSB DEN73FTE72: Beech V35TC, N3705Q, Delta, CO, April 19, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 19, 1973
- Place: Delta, CO · DELTA, CO
- Location: 38.7574° N, 108.0880° W: Placed by OpenAirDocs: center of Delta, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.7574&lon=-108.0880&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 6, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170478
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN73FTE72
- Page: https://openairdocs.org/ntsb/DEN73FTE72

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1149  73/4/19    DELTA,COLO          BEECH V35TC         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 55, 2496
        TIME - 1648                    N3705Q              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 32 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BLAKE
        DEPARTURE POINT             INTENDED DESTINATION
          GRAND JUNCTION,COLO         GARDEN CITY,KANS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - EXHAUST SYSTEM: CLAMPS
           POWERPLANT - ENGINE STRUCTURE: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS - SMOKE IN COCKPIT
           MISCELLANEOUS ACTS,CONDITIONS - NOT ALIGNED WITH RUNWAY/INTENDED LANDING AREA
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    12000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT QUARTERING HEAD WIND 023-067 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           45                                                      260
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           17                                                      VFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- EXH CLAMP FAILED.HOLE IN FIREWALL DUE PREV MAINT ON STC. UN SEE RWY,SMOKE.LND TO L IN ROCKY GRND.
```

## Aircraft

- Registration: [N3705Q](https://openairdocs.org/aircraft/N3705Q), registered now, S/N D-8419, built 1967 (OpenAirDocs)
- Reported make and model: BEECH V35TC
- Registry model: [Beech V35](https://openairdocs.org/model/beech-v35) (registry code 1151538) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Blake

## FAA reports on this event (1)

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

- [Accident 19730419013029A](https://openairdocs.org/incident/19730419013029A), Apr 19, 1973: Beech V35, Delta, CO, Substantial damage. Exh clamp failed. Hole in firewall due prev maint on STC. Un see rwy,smoke. Lnd to l in rocky grnd.

## Other investigations on N3705Q (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 MKC73FCJ08](https://openairdocs.org/ntsb/MKC73FCJ08), Jul 19, 1972: Beech V35 (N3705Q), Oneill, NE, 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.

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