Helio H-391B

0 ADs match the Helio H-391B airframe. Engine ADs depend on the engine installed and are listed on each aircraft page.

AI-extracted — verify against original. Applicability must be confirmed by a mechanic against the aircraft's records.

One email when a new AD may apply to this model. Stop any time.

NTSB events

13

Destroyed

1

Substantial damage

12

Minor damage

0

No damage

0

Events are NTSB accidents and incidents matched to Helio H-391B airframes by serial number or N-number; counts are approximate, because older events can't always be matched. Too few registered Helio H-391B aircraft for a meaningful yearly rate.

• Aug 18, 2025Substantial damage · none injuries · Monroe, MIN4431U
• Jun 12, 2019Substantial damage · none injuries · Hope, AKN10CJ
• Jul 7, 2003Substantial damage · none injuries · Big Lake, AKN391AK
• May 24, 2002Substantial damage · none injuries · Cheyenne, WY
• Jun 2, 2001Substantial damage · none injuries · Anvik, AK

2 reports on Helio H-391B airframes. Each aircraft page lists its own reports.

No ADs published since 1998 match the Helio H-391B airframe; engine ADs depend on the engine installed. 13 NTSB events since 1982 involve Helio H-391B airframes. Operators and repair stations filed 2 service difficulty reports on Helio H-391B airframes since 1995. Check each aircraft's own record before you buy.

• Read the logbooks for the airframe, engine and propeller, start to finish.
• Check AD compliance records against the ADs that may apply.
• Look for damage history and Form 337 major repairs and alterations.
• Have an independent A&P or IA do a pre-buy inspection.
• Run a title search and use escrow for the payment.