# On the Trail of Ollie Jacobs explained — The Great Airport Mystery

> Chapter companion for The Great Airport Mystery by Franklin W. Dixon.

## What happens

The Hardy boys are released on bail thanks to Elroy Jefferson and Hurd Applegate. They discuss the case with their father, who reveals that Giles Ducroy, Newt Pipps, and Ollie Jacobs have disappeared. Following a tip, they head to the Raven Roadhouse and then to Greenfield, where they overhear Ollie Jacobs negotiating to buy an airplane for eight thousand dollars, suspecting he plans to use it for another robbery.

## Themes in this chapter

### Perseverance and Determination

The Hardy boys and their father refuse to give up despite being arrested and removed from the case, continuing their investigation to clear their names.

### Deception and Evidence

The boys use disguise and deception to follow Ollie Jacobs, and they suspect the evidence against them was planted by Ducroy.

## Character check-ins

### Frank Hardy

Released on bail, determined to clear his name by following the Ducroy gang.

### Joe Hardy

Released on bail, eager to catch the real robbers and prove innocence.

### Fenton Hardy

Removed from the official investigation but resolves to continue privately to help his sons.

### Ollie Jacobs

Spotted at the Greenfield hotel, negotiating to buy an airplane for cash.

### Hurd Applegate

Provided bail for the Hardy boys, showing trust in their innocence.

### Elroy Jefferson

Provided bail for the Hardy boys, grateful for their past help.

## Key lines

> We’re not giving away fifty thousand dollars... We know you won’t run away. And we know that when your case comes to trial you’ll be able to prove your innocence.

Applegate and Jefferson bailed the boys out because they trusted them not to flee and believed they would be proven innocent.

_Shows the faith the collectors have in the Hardy boys._

> I’m afraid you won’t lay your hands on him very easily... he seems to have disappeared.

Fenton Hardy warns that Ducroy has vanished, making it difficult to confront him.

_Highlights the elusive nature of the antagonist._

> I won’t go a cent over eight thousand, and that’s final.

Ollie Jacobs firmly refuses to pay more than eight thousand dollars for the airplane.

_Reveals Jacobs' bargaining and his suspicious need for an aircraft._

## Links

- HTML: https://www.betterreads.online/discover/the_great_airport_mystery_se/chapters/xv-on-the-trail-of-ollie-jacobs
- Book: https://www.betterreads.online/discover/the_great_airport_mystery_se
- All chapters: https://www.betterreads.online/discover/the_great_airport_mystery_se/chapters