# NTSB DEN74FTE42: Hiller Acft FH1100, N748FH, Aspen, CO, March 13, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 13, 1974
- Place: Aspen, CO · ASPEN, CO
- Location: 39.1952° N, 106.8368° W: Placed by OpenAirDocs: center of Aspen, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1952&lon=-106.8368&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report April 18, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186620
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN74FTE42
- Page: https://openairdocs.org/ntsb/DEN74FTE42

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0435  74/3/13  NR.ASPEN,COLO         HILLER ACFT FH1100  CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1015                    N748FH              PX-  0  0  3  AERIAL SURVEY             AGE 27, 4800 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            80 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         ASPEN,COLO                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- DENS ALT 13000FT.LOST TRANSLATIONAL LIFT WHILE SEARCHING FOR FUTURE LDG SITES.
```

## Aircraft

- Registration: [N748FH](https://openairdocs.org/deregistered/N748FH-2013-08-22), registration cancelled 2013-08-22, S/N 75, built 1967 (OpenAirDocs)
- Reported make and model: HILLER ACFT FH1100
- Registry model: [Fairchild Hiller FH-1100](https://openairdocs.org/model/fairchild-hiller-fh-1100) (registry code 3376502) (OpenAirDocs)
- Registry engine: [Allison 250 SER 250HP](https://openairdocs.org/engine/allison-250-ser-250hp) (registry code 03002, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

## 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 19740313005549A](https://openairdocs.org/incident/19740313005549A), Mar 13, 1974: Frchld FH1100, Aspen, CO, Substantial damage. Dens alt 13000FT.lost translational lift while searching for future ldg sites.

## Other investigations on N748FH (3)

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 FTW72AF079](https://openairdocs.org/ntsb/FTW72AF079), May 19, 1972: Hiller Acft FH1100 (N748FH), Yukon, OK, destroyed
- [NTSB ANC70A0002](https://openairdocs.org/ntsb/ANC70A0002), Jul 3, 1969: Hiller Acft FH1100 (N748FH), Mcgrath, AK, substantial damage
- [NTSB OAK69D0208](https://openairdocs.org/ntsb/OAK69D0208), Dec 18, 1968: Hiller Acft FH1100 (N748FH), Storrie, CA, 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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