- Date
- February 14, 1970
- Place
- Randolph Afb, TX · RANDOLPH AFB, TX
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N4229ABell 47D1
- Status
- Completed · report June 22, 1970
- Report
- Brief approved by the director
- Case key
- 139528
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 ---------------------------------------------------------------------------------------------------------------------------- 3-0197 70/2/14 RANDOLPH AFB,TEX BELL 47D1 CR- 0 0 1 INSTRUCTIONAL COMMERCIAL, AGE 38, 1727 TIME - 1720 N4229A PX- 0 0 0 TRAINING TOTAL HOURS, 27 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION SAN ANTONIO,TEX SAN ANTONIO,TEX TYPE OF ACCIDENT PHASE OF OPERATION HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT REMARKS- PLT STATED ACFT YAWED TO R AT FULL PWR STRAIGHTENED OUT WITH REDUCED PWR.NO REASON FOR YAW FOUND.
Aircraft
- Registration
- N4229A
- Reported as
- Bell 47D1
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N4229ARegistration cancelled Feb 2, 2026 · Bell 47D1Airframe modelBell 47D1Engine modelFranklin 6V4 series
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 N4229A · 1
Matched to the same aircraft by N-number and date.