- Date
- April 10, 1971
- Place
- Anchorage, AK · ANCHORAGE, AK
- Injuries
- 4 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N4123DHelio H391B
- Status
- Completed · report December 21, 1971
- Report
- Brief approved by the director
- Case key
- 161035
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 3-1203 71/4/10 ANCHORAGE,ALAS HELIO H391B CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 48, 950 TIME - 1300 N4123D PX- 0 0 3 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 706 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. NAME OF AIRPORT - MERRILL FIELD DEPARTURE POINT INTENDED DESTINATION ANCHORAGE,ALAS VALDEZ,ALAS TYPE OF ACCIDENT PHASE OF OPERATION GROUND-WATER LOOP-SWERVE TAKEOFF: RUN PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL MISCELLANEOUS ACTS,CONDITIONS - UNAPPROVED MODIFICATION PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION REMARKS- IMPROPER TYPE OF TAIL WHEEL INSTALLED.
Aircraft
- Registration
- N4123D
- Reported as
- Helio H391B
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Merrill Field
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Other investigations on N4123D · 1
Matched to the same aircraft by N-number and date.